CN2654976Y

CN2654976Y - Sleeve type three-way reversing valve

Info

Publication number: CN2654976Y
Application number: CN 200320105260
Authority: CN
Inventors: 冯圣印
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-11-13
Filing date: 2003-11-13
Publication date: 2004-11-10
Anticipated expiration: 2013-11-13

Abstract

The utility model relates to a main accessory in a regenerative combustion system, belongs to a reversing device on air or flue gas pipelines. The accessory is a sleeve type three-way shuttle valve, comprising an internal and an external sleeve with a sealing tube. The sealing tube comprises a tubular fiber felt sealing layer. The utility model has the advantages that the external and the internal sleeves are sealed by a globoidal slot with excellent air-tightness and minimum leakage rate; the seal is replaceable; the size is small with compact design and low cost; the installation, maintenance, and operation are easy; and the reversing action is fast.

Description

Telescopic three-way diverter valve

Technical field

The utility model relates to the main accessory of regenerative combustion system, is the reversing arrangement on air, the fume pipe, telescopic three-way diverter valve.

Background technique

Regenerative combustion system commutating device in the past has three kinds.One adopts four repid cut-off valve groups, system complex, and installation and maintenance are very inconvenient; Its two, adopt two five-way valves, its equipment is bigger, leak rate is higher; Its three, adopting four-way change-over valve, this kind valve is to realize commutation by the reciprocal half-twist of valve internal partition, boxboard on dividing plate and the valve, all need seal between boxboard, side box board down, and sealing surface is little, it is mixed easily to cause commutation gas to leak.

The model utility content

The purpose of this utility model provide a kind of volume little, make simple, good airproof performance, telescopic three-way diverter valve that leak rate is low.

For achieving the above object, the utility model is realized by following scheme:

Telescopic three-way diverter valve is characterized in that: the utility model is made up of inside and outside sleeve, is provided with sealing drum between the inside and outside sleeve, and sealing drum is to be made of fibrofelt tubular sealing layer; On the barrel of outer sleeve, have three holes, the center line in hole at an angle of 90, and the welded flange pipe is connected with burner, air, fume pipe or burner, coal gas, fume pipe respectively, and the rotatingshaft up and down of inner sleeve passes the hole of end plate center line up and down from outer sleeve; Inner sleeve is welded end plate up and down, have two holes corresponding and isometrical with outer sleeve on barrel, 90 ° of angles of the center line in two holes are provided with fibrofelt tubular sealing layer between inner sleeve and outer sleeve, establish place kick in outer sleeve lower end sheet inboard, the rotatingshaft of inner sleeve is connected with the key of final controlling element.

Characteristics of the present utility model are: adopt the cambered surface gap sealing between outer sleeve and inner sleeve, tightness is good, and leak rate is low; Sealing can be changed; Volume is little, and is simple in structure, low cost of manufacture; Installation, maintenance, easy to operate; Commutation is short actuation time.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is that A-A of the present utility model is to structural representation.

Fig. 3 is the structural representation of burner A when being in the accumulation of heat state.

Fig. 4 is the structural representation of burner A when being in combustion regime.

Embodiment

See Fig. 1, Fig. 2, outer sleeve selects for use seamless steel pipe to manufacture, and respectively opens a hole in end plate centerline up and down, inner sleeve about in the of 2 rotatingshaft from above-mentioned hole, pass; Establish place kick 5 in the lower end sheet inboard, to guarantee the inside and outside sleeve concentricity; On the barrel of outer sleeve, have three holes, the center line in hole at an angle of 90, and the welded flange pipe is connected with burner, air, fume pipe or burner, coal gas, fume pipe respectively.

Inner sleeve also adopts seamless steel pipe to manufacture, and welded end plate has two holes corresponding, isometrical with outer sleeve on barrel up and down, 90 ° of angles of the center line in two holes.

Between inner sleeve 2 and outer sleeve 1, be provided with fibrofelt tubular sealing layer 3, the detachable replacing.

The utility model be by be welded on inner sleeve up and down the rotatingshaft 6 on the end plate center line be connected the realization transmission with final controlling element 4 keys.

The telescopic three-way diverter valve of the utility model is connected with burner A air conduit K, fume pipe Y.The variation of the two states (the positive and negative half-twist of inner sleeve) by telescopic three-way diverter valve makes burner be in combustion regime or accumulation of heat state.

See Fig. 3, Fig. 4, three flanged pipes on the three-way diverter valve outer sleeve 1 are connected with burner interface A, air conduit K, fume pipe Y respectively.Fig. 3 accumulation of heat state, two holes of inner sleeve 2 respectively with the burner interface A of outer sleeve 1, when flue gas interface Y is relative, the air interface K of outer sleeve 1 is blocked by inner sleeve wall, burner interface A and fume pipe Y form passage, this moment, burner A was in the accumulation of heat state, high-temperature flue gas heating heat retainer to high temperature after selector valve discharge.Start final controlling element 3 inner sleeves and turn clockwise 90 ° to Fig. 4 combustion regime, the flue gas interface is blocked by inner sleeve 2 walls, its two hole communicates with burner interface A, the air interface K of outer sleeve 1 respectively, form air passageways, this moment, burner was in combustion regime, and air is heated to high temperature by heat retainer and enters the stove internal combustion.

Start final controlling element 4 once more, inner sleeve 2 is rotated counterclockwise 90 °, and three-way diverter valve is got back to Fig. 3 accumulation of heat state again.Go round and begin again, burner is realized the replacing of burning and accumulation of heat two states by the turn around time of setting.

Claims

1, telescopic three-way diverter valve, it is characterized in that: the utility model is made up of inside and outside sleeve, is provided with sealing drum between the inside and outside sleeve, and sealing drum is to be made of fibrofelt tubular sealing layer; On the barrel of outer sleeve, have three holes, the center line in hole at an angle of 90, and the welded flange pipe is connected with burner, air, fume pipe or burner, coal gas, fume pipe respectively, and the rotatingshaft up and down of inner sleeve passes the hole of end plate center line up and down from outer sleeve; Inner sleeve is welded end plate up and down, has two holes corresponding and isometrical with outer sleeve on barrel, and place kick is established in outer sleeve lower end sheet inboard in 90 ° of angles of the center line in two holes, and the rotatingshaft of inner sleeve is connected with the key of final controlling element.