CN201809269U - Preheating device of glass batch - Google Patents

Abstract

The utility model discloses a preheating device of a glass batch, which comprises a rectangular stand and a driving mechanism, wherein a preheating chamber is formed at the upper part of the stand, and a top plate of the preheating chamber is provided with a feed inlet and an air outlet; an air chamber provided with a hot air inlet is formed at the lower part; and a preheating zone for separating the preheating chamber from the air chamber is horizontally arranged at the middle part. The preheating device of a glass batch in the utility model is characterized in that the preheating zone is in a grate bed structure capable of being moved integrally; a reversed L-shaped baffle plate is fixedly arranged above the front end of the grate bed structure opposite to the part below the edge of the front side in the feed inlet; the baffle plate is in friction sealed connection with the upper surface of the front part of the grate bed structure; a sealing mechanism is arranged above two sides in the length direction of the grate bed structure; the bottom surface of the sealing mechanism is in friction sealed connection with the upper surface of two side edges in the length direction of the grate bed structure; a guide rail, a supporting wheel and a rolling shaft device are respectively arranged fixedly at the front section and the back section of the bottom surface of the grate bed structure; and two ends of the rolling shaft respectively pass through two side wall plates of the stand to be connected with a bearing mechanism arranged outside the stand. The preheating device of a glass batch in the utility model has the advantages of high heat efficiency, low material breakage rate, low energy consumption and long bearing service life and is easy in popularization and implementation.

Description

A kind of primary heater unit of glass batch

Technical field

The utility model relates to the primary heater unit of a kind of primary heater unit, particularly a kind of glass batch.

Background technology

The energy-conservation of glass melter is the problem that the glass production industry is paid special attention to always, in every thermosteresis of glass melter, by the fume afterheat amount proportion maximum of regenerator discharge.Usually, the temperature that flue gas leaves regenerator is 500 ℃～600 ℃, and the heat that flue gas is taken away accounts for about 30% of melting furnaces total energy consumption.

In order to improve the thermo-efficiency of glass melter, cut down the consumption of energy, the technician adopts the waste heat of melting furnaces smoke evacuation that glass batch is carried out preheating, is transported to then and carries out high temperature melt in the melting furnaces.

Comprise rotation drum type glass batch preheater in the at present used preliminary heating device, be the container type preheater of countercurrent flow etc.; The preheater of above-mentioned dual mode, there is following defective respectively: rotation drum type glass batch preheater, equipment configuration floor space is big, during use, have only material in the process that falls could and hot blast carry out heat exchange, and the material that is deposited on bottom the preheater can not carry out sufficient heat exchange with hot blast, thereby working efficiency and heat exchanger effectiveness are low, also exists problems such as the high and maintenance, repair workload of energy consumption is big simultaneously.The container type preheater that is countercurrent flow is to realize preheating to glass batch by glass batch and flue gas countercurrent flow, but exist equally fume afterheat utilize insufficient, problem such as heat exchanger effectiveness is low.

The utility model content

In order to solve the defective that exists in the above-mentioned prior art, the purpose of this utility model provides and a kind ofly can be fit to the glass batch characteristic, the glass batch comb formula primary heater unit that the utilization of melting furnaces fume afterheat is abundant, heat recovery efficiency is high.

To achieve these goals, the utility model adopts following technical scheme: a kind of primary heater unit of glass batch, and it comprises the frame and the driving mechanism that be positioned at this frame front side affixed with ground; Its characteristics are: this frame is for being welded with the rectangle closed structure of front end-plate, back head, two side wall panels and top board all around, and the central rack level is equipped with crossbeam; This frame first half is a preheating chamber, and Lower Half is the air compartment that a sidewall offers hot-wind inlet, and a preheating zone that preheating chamber and air compartment are separated is housed on the middle beam; Wherein:

The preheating zone is can the whole comb bed structure that moves, and the front end of comb bed structure is connected with a positioning rod, and the outer end of this backstay is extended and passed and hinged with described driving mechanism through the horizontally disposed opening part in frame front end-plate place; The rear end of comb bed structure is provided with a blanking groove between the described frame rear end plate, and the frame rear end plate place that is positioned at blanking groove offers discharge port; On the bottom surface of described comb bed structure guide rail is housed, rolling with guide rail is connected with support roller, roller bearing and Bearning mechanism;

One " type blocking material plate is positioned at the top of comb bed structure anterior face, and the dual-side of this blocking material plate and the two side of described preheating chamber are affixed, the unsettled setting of the floor level of blocking material plate, and the front end of its base plate and the front bulkhead of described preheating chamber are affixed; When described comb bed structure moved forward and backward, the lower surface of blocking material plate base plate was connected with the front upper surface of described comb bed structure is friction sealed;

Two groups of sealing mechanisms lay respectively at above the both sides of described comb bed structure upper surface; The both sides of the relative one side with the vertical panel of described blocking material plate of the front end of two groups of sealing mechanisms are affixed respectively, and the rear end of described comb bed structure all is longer than in its rear end; The outside of two groups of sealing mechanisms is affixed with the frame side wall of a relative side respectively; Two groups of sealing mechanisms under described comb bed structure mobile status, its bottom surface respectively with friction sealed connection of both sides of described comb bed structure upper surface;

Leading portion at above-mentioned frame top board offers a feeding mouth, and the back segment of frame top board is equipped with and the extraneous air outlet that communicates.

Above-mentioned comb bed structure comprises comb bed and comb bed foundation, and wherein, the comb bed foundation is a tower structure, and 2 crossbeams and 2 longerons are affixed with the bottom periphery level of the described bed of combing respectively; The ship shape frid that the bed of combing is interlocked up and down by some arranged transverselys and both sides, 2 are long to assemble to comb bed side plate that is provided with and the sealing termination of being fixed in first ship shape frid front side edge; Wherein, the length of sealing termination is identical with the width of the described bed of combing, and the width of sealing termination is 400mm, and its thickness is identical with the thickness of the described bed side plate of combing; The upper surface of described sealing termination is the front end upper surface of described comb bed structure; The ship shape frid that interlocks up and down is labyrinth-like and laterally arranges, and the back side edge of last piece ship shape frid is concordant with the rear end of 2 bed side plates of combing; The front end of 2 bed side plates of combing is affixed with the dual-side of described sealing termination trailing flank respectively, and the two ends of its rear end and described comb bed foundation rear frame member are affixed; Locate to be pasted with a pushing plate for concordant of the aft end face of the described bed side plate of combing and the rear frame member outside of described comb bed foundation, described blanking groove at this pushing plate between the described frame rear end plate; Described cross-sectional shape of combing the bed side plate is the Γ shape, 2 bed side plates of combing inwardly are oppositely arranged with Γ shape mutually, some described ship shape frids, its two ends respectively with 2 the inboard affixed of bed side plates of combing, the snapping place of adjacent two ship shape frids leaves hot blast mobile space, and this space is 3～8mm.

Above-mentioned sealing mechanism is by the sealing frame and the sealing plate composition that places in it of a lower opening; Wherein, the length of sealing frame is longer than the length of the described bed of combing; The outer side wall place that the sealing frame closes on its top board extends outward a leveling board, and the described frame side wall of the outer end of this leveling board and a relative side with it is fixedlyed connected; Sealing plate shape conform to sealing frame inside casing shape, the bottom surface of sealing plate slightly exceeds the end face of sealing frame opening end; The upper surface of the upper surface of 2 bed side plates of combing and sealing termination dual-side constitutes the both sides of above-mentioned comb bed structure upper surface; Described sealing plate the bottom surface be the bottom surface of described sealing mechanism.

Above-mentioned guide rail is provided with 2 pairs, and 1 pair of guide rail is contained in the lower surface of 2 longitudinal beam front sections of comb bed foundation, and other 1 pair of guide rail is contained in the lower surface of 2 longeron back segments of comb bed foundation; Described support roller is provided with 4, lays respectively at below each guide rail and with this guide rail rolling to be connected; Per 2 support rollers are arranged on 1 roller bearing, and the two ends of roller bearing pass the wallboard of frame both sides respectively; Described Bearning mechanism is provided with 4 groups, fixedlys connected with the roller bearing end that stretches out the described air compartment outside respectively.

The above-mentioned guide rail and the material of described support roller are stainless steel, and wherein, each guide rail is by two overlapping affixed forming of stainless steel plate, and its specification is 350mm * 300mm * 30mm; Described Bearning mechanism is provided with bearing support and bearing, and bearing support is installed on the relative position parallel with described roller bearing of top, described air compartment two side; Bearing support falls within on this bearing support; Described roller bearing is the major axis of hollow form, and its hollow position is for feeding the cooling water channel of water coolant.

The above-mentioned ship shape frid and the material of blocking material plate are stainless steel plate, and wherein, ship shape frid length is 800～1500mm, and width is 80mm, and radian is 45 degree; The vertical panel height of blocking material plate is 350～650mm, and the width of base plate is 300～500mm.

The front end cross beam middle part of described comb bed foundation is fixed in the inner of above-mentioned backstay; The extension of backstay outer end wear successively stretch out with described driving mechanism behind the backstay watertight chest support that is fixed in the frame front end-plate opening part outside and the backstay watertight chest hinged; Wherein, the backstay watertight chest is fixed in the front center of backstay watertight chest support, and the periphery of frame front end-plate opening part is fixed in the rear end of backstay watertight chest support.

Above-mentioned driving mechanism can be selected the associated plant or the hydraulic gear of toggle and reducing motor for use.Toggle includes crank and connecting rod, and wherein, an end of crank and the rotating shaft of reducing motor are hinged, and the other end of crank is hinged by the outer end of described connecting rod and backstay.

Around the inwall of above-mentioned preheating chamber, all be equipped with refractory insulating layer around the inwall of the inboard of preheating chamber top board and air compartment; This refractory insulating layer is for building refractory brick or cast refractory mortar by laying bricks or stones; Its thickness is 100～250mm.

The hot-wind inlet of above-mentioned air compartment one sidewall is provided with 1 at least.

Owing to adopted technique scheme, the beneficial effects of the utility model are as follows: 1) technique scheme adopted can the whole comb bed structure that moves as the preheating zone, this comb bed structure is to be combined with the comb bed foundation by the bed of combing, and the comb bed foundation is by 2 crossbeams and 2 tower structures that longeron constitutes; The bed of combing is fastened into 2 bed side plates of combing at labyrinth structure, fixing some ship shape frid two ends up and down by the some ship shape frids that laterally arrange, and sealing terminations that are fixed in 2 bed side plate front ends of combing assemble; The travelling speed of whole comb bed structure can be controlled by the speed adjustment of reducing motor, solid accumulation is on the upper surface of some ship shape frids of this bed of combing, together move with comb bed structure integral body, by the blocking material plate of feeding mouth end and the pushing plate of discharge port end, can guarantee that material is transferred fully; The hot blast that is entered by air compartment passes the bed of material by the upper surface of some ship shape frids, reaches the effect of heating or oven dry material, and its heat can be fully used, and has improved the heat exchanger effectiveness of primary heater unit; Because the last plane of the last plane of two bed side plates of combing and sealing termination in parallel all is higher than on the some ship shape frids about the 30mm of plane, material can stay at this comb bed upper surface and not push away clean bottom, formed one deck material protective layer at this comb bed upper surface, the periphery of the bed of can guaranteeing to comb does not leak material and can reduce the breakage rate of material; Simultaneously, the wear rate of the bed of combing also reduces a lot, only needs to safeguard bearing after the long-time running, has effectively improved the working efficiency of this heating unit.2) the ship shape frid adopts standardized modular design, and the optimum combination by module increases the width and the length of the bed of combing, and can adapt to the production line of different scales, saves the settling time of design and engineering equipment simultaneously; Can only change during maintenance, improve maintenance efficiency, reduce its maintenance cost a certain module; Also greatly facilitate simultaneously the supply of spare parts.3) because the bed of combing turns round in 500 ℃～600 ℃ hot blast heating environment all the time, the resistant to elevated temperatures holding capacity of bed material requires very high to combing; Therefore, all to adopt model be that the high performance heat resistant stainless material of 1Cr18Ni9Ti is made for used ship shape frid, comb a bed side plate, sealing termination and guide rail, roller in this primary heater unit, can improve the normal operation rate of equipment, guarantee the pre-thermal mass of glass batch.4) according to the characteristic of glass batch, the dual-side of the bed of combing is designed to friction sealed structure, can prevent effectively that material from falling into air compartment.5) pass in the roller bearing of air compartment and be provided with cooling water channel, can in time reduce the influence of high-temperature hot-air that air compartment feeds roller bearing; Simultaneously, Bearning mechanism is placed the outside of air compartment, avoided of the influence of high wind-warm syndrome, can improve the work-ing life of bearing bearing.

Description of drawings

Fig. 1 is the utility model one-piece construction diagrammatic cross-section

Fig. 2 is that Figure 1A-A is to cross-sectional view

Fig. 3 is the partial enlarged drawing of sealing mechanism

Fig. 4 is local amplification of ship shape frid and hot blast flow direction synoptic diagram

Embodiment

Below, by accompanying drawing the technical solution of the utility model is described in further detail.

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the preliminary heating device of the utility model glass batch comprises the driving mechanism that is connected with the OBL frame of side plate and top board around one and is positioned at this frame the place ahead; Specifically be provided with the bed 1 of combing, shelves flitch 2, pushing plate 3, sealing plate 4, sealing frame 5, connecting rod 6, guide rail 7, support roller 8, bearing 9, frame 10, roller bearing ", preheating chamber 12, air compartment 13, crank 14, reducing motor 15, backstay watertight chest 16, backstay watertight chest support 17, sealing termination 18, bearing support 19, comb a bed side plate 20, feeding mouth 21, discharge port 22, hot-wind inlet 23, exhaust outlet 24, backstay 25, comb bed foundation 26, blanking groove 27.

Wherein, frame 10 is for being connected with side plate and top board closed structure all around, and the preheating chamber 12 of its first half for material is carried out preheating offers feeding mouth 21 at the top board leading portion place of preheating chamber 12, and the back segment place of top board offers exhaust outlet 24; Preheating chamber 12 passes through is low temperature hot blast after heat exchange; The Lower Half of frame 10 is for feeding the air compartment 13 of High Temperature High Pressure hot blast, and its temperature is 500 ℃～600 ℃, and pressure is higher than 8kpa; The stage casing of air compartment 13 1 sidewalls offers at least 1 hot-wind inlet 23, is provided with 1 hot-wind inlet in this example; Along with the variation of device processes glass batch ability, the size of hot-wind inlet 23, quantity all need be adjusted accordingly, and the glass batch feeding coal increases, and hot-wind inlet 23 will enlarge or increase the quantity of hot-wind inlet 23; Hot-wind inlet 23 joins by the gas blower of pipeline and peripheral hardware, and gas blower is sent hot blast into air compartment 13, and hot blast can enter preheating chamber 12 by the comb bed structure, the bed of combing is gone up the glass batch that passes through carry out abundant preheating; Gas blower working parameters such as air quantity that hot-wind inlet 23 enters and blast are determined by production technique.

The middle part of frame 10 is provided with crossbeam, level is equipped with a preheating zone that preheating chamber 12 and air compartment 13 are separated on this crossbeam, and the front end of this preheating zone is stretched out by the opening of frame front end-plate setting by connected a positioning rod 25 and be hinged with the driving mechanism of peripheral hardware; The rear end of preheating zone is to being a blanking groove 27 between the frame rear end plate, and the frame rear end plate place that is positioned at blanking groove 27 offers the discharge port 22 with exterior;

The preheating zone is can the whole comb bed structure that moves, and it comprises long to comb bed 1 that is provided with and the comb bed foundation 26 that joins with bed 1 bottom surface of combing; Wherein, comb bed 1 by the some ship shape frids that laterally arrange and interlock up and down, long to being provided with and the comb bed side plates 20 at fixing some ship shape frids two ends assemble with the affixed sealing termination 18 of first ship shape frid level at contiguous feeding mouth place and 2; The length of sealing termination 18 is identical with the width of the bed 1 of combing, and the front end of 2 bed side plates 20 of combing is fixedlyed connected with the dual-side of sealing termination 18 aft end faces; Wherein, the ship shape frid that interlocks up and down is the labyrinth-like setting, and the snapping place of adjacent two ship shape frids leaves hot blast mobile space, and this space is 3～8mm; The cross-sectional shape of comb bed side plate 20 is the Γ shape, plane is concordant with the last plane of sealing termination 18 and be higher than the last plane 30mm of some ship shape frids on it, 2 bed side plates of combing are parallel to each other, relatively inwardly be provided with the Γ shape, the two ends of some ship shape frids are affixed with the medial surface of 2 bed side plates 20 of combing respectively; It is that the stainless steel plate of 1Cr18Ni9Ti is made that the used sealing termination 18 of this comb bed 1, comb bed side plate 20 and ship shape frid all adopt model.

In the present embodiment, the length of ship shape frid is got 800mm, and width is 80mm, and radian is 45 degree; The travel settings of comb bed 1 is 130mm, and the round number of times of the bed 1 of combing can be set at 4 times/minute～7 times/minute; The length and the width of the ship shape frid that the bed 1 of combing is used also can design according to the industrial scale of this preliminary heating device, and the length of general ship shape frid can be set in 800～1500mm, and width does not become 80mm, and its industrial scale is 240～400kg; Industrial scale is big more, and the length of its ship shape frid is long more; The comb bedside degree that constitutes is just wide more; The ship shape frid can design, be made into standardized module, adapts to the production line of different scales by the optimum combination of module; Breakage appears in certain parts on the bed 1 if comb, and can directly take off damaged parts and replace new; Effectively save the settling time of design and engineering equipment, improved its maintenance efficiency, reduced maintenance cost, also made things convenient for the supply of spare parts simultaneously greatly.

The top of 2 bed side plates 20 of combing and be respectively equipped with sealing mechanism with the dual-side of affixed 18 tops, sealing termination of its front end level, sealing mechanism is by the sealing frame 5 of a lower opening and place the sealing plate 4 in it to form; Wherein, the opening part of sealing frame 5 to the upper surface of the bed side plate 20 of combing and the dual-side of sealing termination 18 upper surfaces all leaves the slit; The reciprocating stroke factor of bed of consider combing, the length of sealing frame 5 slightly is longer than the length of the whole bed 1 of combing, and the outer side wall of sealing frame 5 contiguous top boards extends outward a leveling board, and this leveling board is fixedly connected by the relative sidewall of screw or welding and frame 10; The both sides of the relative one side with blocking material plate 2 vertical panels of the front end of 2 sealing frames 5 are affixed, and affixed mode can adopt welding or screw connecting mode; The shape of sealing plate 4 conforms to the inside casing shape of sealing frame 5, and the bottom surface of sealing plate 4 slightly exceeds the end face of sealing frame 5 opening ends; The both sides of the upper surface of 2 bed side plates 20 of combing and sealing termination 18 upper surfaces constitute the both sides of whole comb bed structure upper surface; The bottom surface of sealing plate 4 forms the bottom surface of whole sealing mechanism; When combing the bed to-and-fro movement, the upper surface of the bottom surface of sealing plate 4 and the bed side plate 20 of combing and seal relative and friction sealed connection of both sides of termination 18 upper surfaces.

The length of sealing termination 18 is the width of the bed of combing, and adjacent with inlet end ship shape frid, the width of sealing termination 18 is 400mm, and thickness is identical with the thickness of the bed side plate of combing, be 200mm, the dual-side of sealing termination 18 trailing flanks is fixedlyed connected with the comb bed side plate of both sides respectively; Above the top board of sealing termination 18, be provided with one " blocking material plate 2 of shape; The length of blocking material plate 2 is distance between preheating chamber 12 two sides, the dual-side of blocking material plate 2 is fixed in the inboard of preheating chamber 12 two sides by welding or bolt, the unsettled setting of its base plate, base plate front end are fixed on the antetheca of this preheating chamber 12, and the width of base plate is 300～500mm; The lower surface of these blocking material plate 2 base plates is friction sealed the connection with the upper surface of sealing termination 18 top boards; The plate hight of blocking material plate 2 vertical components is 350～650mm; It is that the stainless steel plate of 1Cr18Ni9Ti is made that used sealing termination 18, blocking material plate 2 and sealing mechanism all adopt model.

Comb bed foundation 26 is the frameworks by the channel-section steel welding, and 2 longerons of this framework are fixedlyed connected with the bottom surface of the comb bed side plate 20 that is provided with in the same way respectively; The front end cross beam of framework is fixedlyed connected with the bottom surface of sealing termination 18 front ends; The back end floor beam of framework is concordant with the rear end of last piece ship shape frid, is pasted with a pushing plate 3 that is used for discharging at concordant place; Blanking groove 27 at this pushing plate 3 between the frame rear end plate;

The front center of comb bed foundation 26 can adopt the mode of welding, riveted joint or bolt to fixedly connected with the inner of backstay 25, the outer end of backstay 25 is stretched out by the opening part of frame 10 front end-plate settings, stretch out after passing the backstay watertight chest support 17 that is fixed in the frame 10 front end-plate opening parts outsides and backstay watertight chest 16 successively, hinged with the driving mechanism of peripheral hardware; Wherein, backstay watertight chest 16 is fixed in the front center of backstay watertight chest support 17, and the periphery at the front end-plate outer openings place of frame 10 is fixed in the rear end of backstay watertight chest support 17.

Be connected with the parallel lower surface that is contained in 2 longitudinal beam front sections of comb bed foundation of 1 pair of guide rail of 2 pairs of guide rails at two longerons of comb bed foundation about 26 with respect to the lower surface of several ship shape frid construction sections, in addition 1 pair of parallel lower surface that is contained in 2 longeron back segments of comb bed foundation of guide rail; Guide rail 7 is after the overlapping placement of steel plate of two 350mm * 300mm * 30mm is fixedly connected, with long to end face be welded on the bottom surface of two longerons; The size of guide rail 7 used areas and thickness, and the determining of position, front and back end that is positioned at longeron, usually according to bed 1 stroke of combing be provided with determine; Four position of the fulcrum that 4 guide rails 7 in this example are determined in the bottom surface of 26 two longerons of comb bed foundation, two fulcrums that are positioned at front end are equal apart from the distance of last 1 ship shape frid rear end with two fulcrums that are positioned at the rear end apart from the distance of the 1st ship shape frid front end, are whole 1/4 or 1/5 of the bed length of combing.

The below of each guide rail 7 is equipped with the support roller 8 that is connected with its rolling; 2 support rollers are loaded on 1 roller bearing 11, and the two ends of roller bearing 11 break-through respectively are connected with the Bearning mechanism that is arranged on this air compartment 13 two side wall panels outside in the two side wall panels of air compartment 13;

Bearning mechanism is provided with bearing support 19 and bearing 9, and bearing 9 is located on these bearing supports 19, on the top that bearing support 19 is installed in air compartment 13 two sides respectively and the relative position parallel with roller bearing 11.

In order to reduce the influence of high wind-warm syndrome to bearing, except that Bearning mechanism was arranged on air compartment 13, roller bearing 11 was selected the major axis of hollow for use, and the inner core of roller bearing 11 hollow forms is designed to feed the cooling water channel of tap water, and water coolant is entered by roller bearing 11 1 ends, and the other end flows out.

Since the hot blast temperatures that feed in the air compartment 13 up to 500 ℃～600 ℃, pressure is higher than 8kpa; It is that the resistant to elevated temperatures stainless steel of 1Cr18Ni9Ti is made that comb bed foundation 26, guide rail 7, the support roller 8 that is positioned at air compartment 13 all selected model for use.

Driving mechanism can be selected toggle for use and the associated plant or the hydraulic gear of the reducing motor that joins with it, one end of the crank 14 in this example in the used toggle and the rotating shaft of reducing motor 15 are hinged, and the other end of crank 14 is hinged with the outer end of backstay 25 by connecting rod 6; The comb bed structure is by crank 14 drivening rod 6 action under the driving of reducing motor 15, and the backstay 25 hinged with connecting rod 6 drives comb bed structure front-rear reciprocation movements.Under some environment, make that the comb bed structure is whole to be moved more stablely, also can use hydraulic gear, the comb bed structure is hinged with the oil cylinder in this hydraulic gear by backstay 25, and the to-and-fro movement by oil cylinder piston promotes the comb bed structure and moves forward and backward.

The front end of whole comb bed structure under static state leaves the gap of 150～200mm apart from frame 10 front end-plate places, greater than the shift motion of this comb bed structure; And determining by the industrial scale of this primary heater unit of the shift motion of comb bed structure is definite, and operated by rotary motion is between 110～130mm; To the blanking groove 27 between frame 1 back head, its length is 330～450mm at comb bed structure rear end pushing plate 3; When the comb bed structure when the discharging direction is moved, the combed pushing plate 3 of bed structure rear end of material is pushed in the discharge port 22 in the blanking groove 27, when the comb bed structure moves toward opposite direction, because the effect of shelves flitch 2 makes material no longer with comb bed structure motion backward together, but material is pushed the rear end of comb bed structure, fall into blanking groove 27, shift onto in the discharge port 22 by pushing plate 3 again, reciprocal with this, reach the purpose of preheating, convey materials; The setting of blocking material plate 2 reduces the breakage rate of material; Also can alleviate material wearing and tearing to some ship shape frids on the bed 1 of combing in operational process simultaneously.

Be equipped with refractory insulating layer around the inwall of preheating chamber 12, around the inwall of top board inboard and air compartment 13, refractory insulating layer can select for use refractory brick to build in layer or the refractory mortar mould material any by laying bricks or stones.Wherein, refractory brick is selected for use can anti-300 ℃～400 ℃ pyritous refractory materialss, and refractory mortar is selected for use can anti-700 ℃～800 ℃ pyritous refractory materialss; In this example, the refractory insulating layer around preheating chamber 12 inwalls is the fire brick layer of building by laying bricks or stones, and its thickness is 200mm; Top board inwall inboard and air compartment 13 is cast with the refractory mortar mould material all around respectively, and the refractory mortar thickness of the inboard cast of top board is 100mm; The refractory mortar thickness of cast is 250mm around air compartment 13 inwalls.

According to the scale of preheating glass batch and the size of this primary heater unit setting, the thickness of the refractory insulating layer around the inwall of preheating chamber 12, around the inwall of top board inboard and air compartment 13 can be selected arbitrarily at 100～250mm, purpose is in order to improve the high temperature resistant and heat-insulating property of preheating chamber 12 inwalls and air compartment 13 inwalls, to guarantee making full use of of heat.Principle of work of the present utility model is as follows:

Glass batch is fed by the feeding mouth 21 of preheating chamber 12, be uniformly distributed on the comb bed 1 of comb bed structure, by guide rail 7, roll the support roller 8 that is connected, roller bearing 11 with the routing motion of Bearning mechanism and by under the driving of outside power transport unit to comb bed foundation 26, drive a glass batch to-and-fro movement of combing on bed 1 with its guide rail 7; Hot blast is entered by the hot-wind inlet 23 that is arranged on air compartment 13, blows over material (referring to Fig. 4) by the slit between the upper and lower ship shape frid; The labyrinth seal structure that the ship shape frid forms, be arranged on the blocking material plate 2 of top, sealing 18 places, termination and, can prevent effectively that material from leaking to air compartment 13 from the bed 1 of combing at the sealing mechanism of bed 1 both sides design of combing; In addition, the design of the bed 1 of combing also can be stuck in one deck material on the bed 1 of combing, and forms protective layer, can alleviate material wearing and tearing to the bed 1 of combing in operational process like this; Because material is with the together operation of bed 1 of combing, can guarantee that material is transferred away fully simultaneously in the progressive process; Therefore this primary heater unit has very high transport efficiency and low-down material breakage rate.

Because all hot blast must all pass the bed of material (referring to accompanying drawing 4) by the bed 1 of combing, so this primary heater unit also has very high thermo-efficiency, compares with rotation drum type heater or dryer, and the thermo-efficiency of comb formula primary heater unit is higher; Solved utilize rotation drum type heater or dryer have only material in the process that falls could and hot blast carry out heat exchange, and the material that is deposited on bottom the heater is the defective that can not carry out sufficient heat exchange with material; Simultaneously, because the floor space of comb formula primary heater unit is little, can save a large amount of construction investments again, realize its energy saving purposes.

Because of comb bed and air compartment bear high-temperature hot-air, it is the resistant to elevated temperatures stainless steel of 1Cr18Ni9Ti that the material of ship shape frid, sealing termination 1, blocking material plate 2, sealing mechanism, comb bed foundation 26, guide rail 9, support roller 8 is all selected model for use, normally moves to guarantee this primary heater unit.

Because what feed in the air compartment 13 is high-pressure hot wind, the axle in-core that is arranged in the roller bearing 11 in the air compartment 13 is a cooling water channel, and bearing assembly places this primary heater unit outside, can effectively avoid high temperature to the influence that bearing uses, and prolongs the work-ing life of its bearing.

Claims (10)

1. the primary heater unit of a glass batch, it comprises with the affixed frame in ground and is positioned at the driving mechanism of this frame front side; It is characterized in that: described frame is for being welded with the rectangle closed structure of front end-plate, back head, two side wall panels and top board all around, and the central rack level is equipped with crossbeam; This frame first half is a preheating chamber, and Lower Half is the air compartment that a sidewall offers hot-wind inlet, and a preheating zone that preheating chamber and air compartment are separated is housed on the middle beam; Wherein:

The preheating zone is can the whole comb bed structure that moves, and the front end of comb bed structure is connected with a positioning rod, and the outer end of this backstay is extended and passed and hinged with described driving mechanism through the horizontally disposed opening part in frame front end-plate place; The rear end of comb bed structure is provided with a blanking groove between the described frame rear end plate, and the frame rear end plate place that is positioned at blanking groove offers discharge port; On the bottom surface of described comb bed structure guide rail is housed, rolling with guide rail is connected with support roller and Bearning mechanism;

One " type blocking material plate is positioned at the top of described comb bed structure anterior face, and the dual-side of this blocking material plate and the two side of described preheating chamber are affixed, the unsettled setting of the floor level of blocking material plate, and the front end of its base plate and the front bulkhead of described preheating chamber are affixed; Under the mobile status of comb bed structure, the lower surface of blocking material plate base plate is connected with the front upper surface of described comb bed structure is friction sealed;

Two groups of sealing mechanisms lay respectively at above the both sides of described comb bed structure upper surface; The both sides of the relative one side with the vertical panel of described blocking material plate of the front end of two groups of sealing mechanisms are affixed respectively, and the rear end of described comb bed structure all is longer than in its rear end; The outside of two groups of sealing mechanisms is affixed with the frame side wall of a relative side respectively; Two groups of sealing mechanisms when described comb bed structure moves, its bottom surface respectively with friction sealed connection of both sides of described comb bed structure upper surface;

The leading portion of described frame top board offers a feeding mouth, and the back segment of frame top board is equipped with and the extraneous air outlet that communicates.

2. primary heater unit according to claim 1 is characterized in that: described comb bed structure comprises comb bed and comb bed foundation, and wherein, the comb bed foundation is a tower structure, and 2 crossbeams and 2 longerons are affixed with the bottom periphery level of the described bed of combing respectively; The ship shape frid that the bed of combing is interlocked up and down by some arranged transverselys and both sides, 2 are long to assemble to comb bed side plate that is provided with and the sealing termination of being fixed in first ship shape frid front side edge; Wherein, the length of sealing termination is identical with the width of the described bed of combing, and the width of sealing termination is 400mm, and its thickness is identical with the thickness of the described bed side plate of combing; The upper surface of described sealing termination is the front end upper surface of described comb bed structure; The ship shape frid that interlocks up and down is labyrinth-like and laterally arranges, and the back side edge of last piece ship shape frid is concordant with the rear end of 2 bed side plates of combing; The front end of 2 bed side plates of combing is affixed with the dual-side of described sealing termination aft end face respectively, and the two ends of its rear end and described comb bed foundation rear frame member are affixed; Locate to be pasted with a pushing plate for concordant of the aft end face of the described bed side plate of combing and the rear frame member outside of described comb bed foundation, described blanking groove at this pushing plate between the described frame rear end plate; Described cross-sectional shape of combing the bed side plate is the Γ shape, 2 bed side plates of combing inwardly are oppositely arranged with Γ shape mutually, some described ship shape frids, its two ends respectively with 2 the inboard affixed of bed side plates of combing, the snapping place of adjacent two ship shape frids leaves hot blast mobile space, and this space is 3～8mm.

3. primary heater unit according to claim 2 is characterized in that: described sealing mechanism is by the sealing frame and the sealing plate composition that places in it of a lower opening; Wherein, the outer side wall place that sealing frame closes on its top board extends outward a leveling board, and the described frame side wall of the outer end of this leveling board and a relative side with it is fixedlyed connected; Sealing plate shape conform to sealing frame inside casing shape, the bottom surface of sealing plate slightly exceeds the end face of sealing frame opening end; The upper surface of 2 described bed side plates of combing and the upper surface of described sealing termination dual-side constitute the both sides of described comb bed structure upper surface; Described sealing plate the bottom surface be the bottom surface of described sealing mechanism.

4. primary heater unit according to claim 2 is characterized in that: described guide rail is provided with 2 pairs, and 1 pair of guide rail is positioned at the lower surface of 2 longitudinal beam front sections of described comb bed foundation, and other 1 pair of guide rail is positioned at the lower surface of 2 longeron back segments of described comb bed foundation; Described support roller is provided with 4, lays respectively at below each guide rail and with this guide rail rolling to be connected; Per 2 support rollers are arranged on 1 roller bearing, and the two ends of roller bearing pass the wallboard of described frame both sides respectively; Described Bearning mechanism is provided with 4 groups, fixedlys connected with the roller bearing end that stretches out the described air compartment outside respectively.

5. primary heater unit according to claim 4 is characterized in that: the material of described guide rail and described support roller is stainless steel, and wherein, each guide rail is by two overlapping affixed forming of stainless steel plate, and its specification is 350mm * 300mm * 30mm; Described Bearning mechanism is provided with bearing support and bearing, and bearing support is installed on the relative position parallel with described roller bearing of top, described air compartment two side; Bearing support falls within on this bearing support; Described roller bearing is the major axis of hollow form, and its hollow position is for feeding the cooling water channel of water coolant.

6. primary heater unit as claimed in claim 2 is characterized in that: the material of described ship shape frid and described blocking material plate is stainless steel plate, and wherein, ship shape frid length is 800～1500mm, and width is 80mm, and radian is 45 degree; The vertical panel height of blocking material plate is 350～650mm, and the width of base plate is 300～500mm.

7. primary heater unit as claimed in claim 1 is characterized in that: the front end cross beam middle part of described comb bed foundation is fixed in the inner of described backstay; The extension of backstay outer end wear successively stretch out with described driving mechanism behind the backstay watertight chest support that is fixed in the described frame front end-plate opening part outside and the backstay watertight chest hinged; Wherein, the backstay watertight chest is fixed in the front center of described backstay watertight chest support, and the periphery in the described frame front end-plate opening part outside is fixed in the rear end of backstay watertight chest support.

8. primary heater unit as claimed in claim 7 is characterized in that: described driving mechanism be in the associated plant of toggle and reducing motor or the hydraulic gear any.

9. primary heater unit as claimed in claim 8 is characterized in that: described toggle includes crank and connecting rod, and wherein, an end of crank and the rotating shaft of described reducing motor are hinged, and the other end of crank is hinged by described connecting rod and described backstay outer end.

10. as each described primary heater unit of claim 1～9, it is characterized in that: the hot-wind inlet of described air compartment is provided with 1 at least; Around the inwall of described preheating chamber, the top board of preheating chamber is inboard and the inwall of described air compartment around all be equipped with refractory insulating layer; This refractory insulating layer is for building refractory brick or cast refractory mortar by laying bricks or stones; Its thickness is 100～250mm.

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