CN202304409U

CN202304409U - Two-purpose kiln for heating and cooling haydite

Info

Publication number: CN202304409U
Application number: CN2011204043737U
Authority: CN
Inventors: 郎剑雷; 钱晓倩; 詹树林; 成建跃; 方建华; 何剑锋
Original assignee: ZHEJIANG DADONGWU GROUP CONSTRUCTION NEW MATERIALS CO Ltd
Current assignee: ZHEJIANG DADONGWU GROUP CONSTRUCTION NEW MATERIALS CO Ltd
Priority date: 2011-10-21
Filing date: 2011-10-21
Publication date: 2012-07-04
Anticipated expiration: 2021-10-21

Abstract

The utility model discloses a two-purpose kiln for heating and cooling haydite, which includes a cooling kiln and a heating kiln, wherein a feed opening is arranged at the front end of the cooling kiln, and a discharge opening is arranged at the rear end thereof; a conveyer belt is mounted in the cooling kiln; an air exhaust opening is arranged at the rear end of the heating kiln and connected with an air exhauster; a material box is arranged in the heating kiln; and the cooling kiln and the heating kiln are communicated through a connecting device. The two-purpose kiln cools the baked haydite and utilizes the heat emitted by the baked haydite to heat the to-be-preheated haydite, so that the haydite has a certain temperature before preheating, the energy source required by preheating is reduced, and the time for preheating is reduced.

Description

Haydite cooling heating double-purpose kiln

Technical field

The utility model relates to a kind of double-purpose kiln that simultaneously haydite that does not have heating is heated that baked haydite is cooled off.

Background technology

Haydite is to make one of concrete main material, common haydite is made into to meet the haydite of making concrete standard, needs through pulverizing-screening-preheating-roasting-multiple working procedures such as cooling; The haydite of process roasting is cooled to 1000 ℃ ~ 700 ℃ rapidly through after adding heating kiln roasting discharging, during still from 700 ℃ to 400 ℃; Then require slowly cooling; Because if cooling rate is too fast, can make the powerful temperature shrinkage stress of the inner and surperficial generation of haydite, cause its surface netted microscopic checks to occur; The granule strength of haydite is reduced, but can cool off fast again below 400 ℃.From 700 ℃ of processes that cool to normal temperature, what much human adopted is the mode of nature cooling or cooler cooling with baked haydite, and natural cooling cost is low; But speed is slow, inefficiency, cooling effect are poor; The cooler cooling cost is high, but good cooling results, high efficiency; But this dual mode all just can cool off baked haydite, and the heat that can't utilize baked haydite to come out.

The utility model content

The purpose of the utility model is the weak point to prior art, and a kind of haydite heating and double-purpose kiln that cools off of being used for is provided, and it promptly can cool off baked haydite, and the heat that can utilize baked haydite to come out is again given the haydite that does not have preheating heating.

In order to solve the problems of the technologies described above; The technological solution of the utility model is following: a kind of haydite heating and double-purpose kiln that cools off of being used for, and comprise cooling kiln, add heating kiln, said cooling kiln front end has charging aperture; There is discharging opening the rear end, in described cooling kiln, conveyer belt is installed; There is bleeding point the said rear end that adds heating kiln, is connected with air exhauster on the described bleeding point, is provided with hopper in the heating kiln in described adding, and described cooling kiln, adds heating kiln and is communicated with through jockey.

Described a kind of haydite heating and double-purpose kiln that cools off of being used for, described communication apparatus is the division wall that a front end has connecting hole.

Described a kind of double-purpose kiln that is used for haydite heating and cooling, described jockey is a tube connector, the through hole of described tube connector and said cooling kiln sidewall front end, the through hole that adds heating kiln sidewall front end are communicated with.

Described a kind of haydite heating and double-purpose kiln that cools off of being used for, described adding, be provided with guide rail in the heating kiln, and described hopper is placed on the described guide rail.

Described a kind of double-purpose kiln that is used for haydite heating and cooling, described bleeding point is positioned at the said rear end that adds the heating kiln sidewall, on said former and later two end faces that add heating kiln hermatic door is installed.

The utility model beneficial effect is: the double-purpose kiln of the utility model; When baked haydite is cooled off; The heat that utilizes baked haydite to send heats the haydite that does not carry out preheating, makes haydite before preheating, have certain temperature; The needed energy when having reduced preheating has also reduced time of preheating.

Description of drawings

Below in conjunction with accompanying drawing the utility model is done further explanation:

Fig. 1 is the structural representation of the utility model embodiment 1;

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

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

Fig. 4 is the structural representation of the utility model embodiment 2.

Among the figure:

1, cooling kiln, 1-1, the ascent stage of tilting, 1-2, horizontal segment, 101, charging aperture, 102, discharging opening; 103, conveyer belt, 103a, support, 103b, motor, 103c, raceway; 103d, belt conveyor, 103-1, the ascent stage of tilting, 103-2, horizontal segment, 104, through hole;

2, add heating kiln, 201, bleeding point, 202, hopper, 203, guide rail, 204, through hole, 205, hermatic door, 206, hermatic door;

3, air exhauster;

4, division wall, 401, connecting hole;

5, tube connector.

The specific embodiment

The following stated is merely the preferred embodiment of the utility model, is not that scope to the utility model limits.

Embodiment 1, sees accompanying

drawing

1,2,3, and a kind of haydite heating and double-purpose kiln that cools off of being used for comprises cooling kiln 1, adds heating kiln 2; See accompanying drawing 1, cooling kiln 1 is with to add heating kiln 2 as a whole, middlely is divided into two not connected kilns through a division wall 4; And connecting hole 401 is arranged at the front end of division wall 4, and two kilns are communicated with, said cooling kiln 1 front end has a charging aperture 101; This charging aperture 101 is opened in the roof of cooling kiln 1, and quantity confirms that according to actual conditions a discharging opening 102 is arranged in the rear end of cooling kiln 1; This discharging opening also is the cold wind import simultaneously, and why connecting hole is opened in the front end (just near the charging aperture place) of division wall, if be after leaning on because of the position that connecting hole is offered; Haydite not by preheating, is seen accompanying drawing 2 in then can some hopper in gas circulation; In adding heating kiln 2, be provided with hopper 202, be used to place the haydite that does not have heating, conveyer belt 103 is installed in cooling kiln 1; Conveyer belt 103 comprises support 103a, and raceway 103c is installed on the support, and raceway 103c drives belt conveyor 103d and rotates; On support 103a, be equipped with simultaneously and drive raceway 103c motor rotating 103b, from accompanying drawing 3, can find out, cooling kiln 1 has the ascent stage 1-1 that tilts; After the ascent stage of tilting, a horizontal segment 1-2 is arranged, discharging opening 102 is positioned at the bottom of this horizontal segment, and is same; Conveyer belt 103 also has the ascent stage 103-1 that tilts; After the ascent stage of tilting, a horizontal segment 103-2 is arranged, discharging opening 102 just below this horizontal segment end of conveyer belt 103, is convenient to discharging; In the rear end that adds heating kiln 2 bleeding point 201 is arranged, see accompanying drawing 1, bleeding point 201 is opened in the rear end that adds heating kiln 2 sidewalls; Can on bleeding point 201, be connected with an air exhauster 3 away from connecting hole 401, be used for from discharging opening draw in cold air; Can make the cold air and the hopper 202 interior haydites of coming in carry out heat exchange fully like this, improve the efficient of heat exchange, and directly adopt the import of discharging opening as cold air from discharging opening; On the one hand be the vacuum that forms when can increase air exhauster 3 and bleed, make the entering of cold air be more prone to, help the circulation of gas; Another aspect, the haydite on the conveyer belt are inevitably had some flue gases by roasting when coming out; Can these flue gases be extracted out together through air exhauster 3, avoid waste and contaminated environment.The effect of bleeding of air exhauster 3 becomes hot-air after feasible cold air of coming in from discharging opening heats through baked haydite, and the haydite that does not have preheating is heated; And bleeding point makes this process time extend away from meeting as far as possible, and exchange heat is more abundant, in the process of work; Air exhauster 3 is started working, and from discharging opening 102 cold air is drawn into, to the baked haydite cooling on the conveyer belt; Cold air through with baked haydite heat exchange after, form hot-air, behind connecting hole; Entering adds heating kiln 2, and the haydite in the hopper is carried out preheating, discharges through air exhauster 3 then.See accompanying drawing 2, in adding heating kiln 2, be equipped with guide rail 203, guide rail 203 is 2; Hopper 202 is placed on these two guide rails, can download on the guide rail in the promotion of external force and slide, simultaneously; In order to increase sealing property that adds heating kiln and the turnover of being convenient to hopper; Hermatic door 205,206 is installed adding on former and later two end faces of heating kiln 2, hermatic door 205,206 will add heating kiln 2 and seal, and reduce scattering and disappearing of heat.

Embodiment 2; See accompanying drawing 4, in this embodiment, adding heating kiln 2 is two independent kiln bodies separately with cooling kiln 1; These two kilns are communicated with through tube connector 5; Front end at cooling kiln 1 sidewall is provided with through hole 104, adds heating kiln 2 sidewall front ends and is provided with through hole 204 connections, and two through holes of tube connector 5 and this 104,204 are communicated with.Remaining is with embodiment 1.

Claims

1. one kind is used for haydite heating and the double-purpose kiln that cools off; It is characterized in that: comprise cooling kiln (1), add heating kiln (2); Said cooling kiln (1) front end has charging aperture (101), and there is discharging opening (102) rear end, and conveyer belt (103) is installed in described cooling kiln (1); There is bleeding point (201) the said rear end that adds heating kiln (2), is connected with air exhauster (3) on the described bleeding point (201), is provided with hopper (202) in the heating kiln in described adding, and described cooling kiln (1), adds heating kiln (2) and is communicated with through jockey.

2. a kind of haydite heating and double-purpose kiln that cools off of being used for according to claim 1, it is characterized in that: described communication apparatus is the division wall (4) that a front end has connecting hole (401).

3. a kind of haydite heating and double-purpose kiln that cools off of being used for according to claim 1; It is characterized in that: described jockey is a tube connector (5), and the through hole (104) of described tube connector (5) and said cooling kiln (1) sidewall front end, the through hole (204) that adds heating kiln (2) sidewall front end are communicated with.

4. according to claim 2 or 3 described a kind of haydite heating and double-purpose kilns that cool off of being used for, it is characterized in that: described adding, be provided with guide rail (203) in the heating kiln (2), described hopper (202) is placed on the described guide rail (203).

5. according to claim 2 or 3 described a kind of haydite heating and double-purpose kilns that cool off of being used for; It is characterized in that: described bleeding point (201) is positioned at the said rear end that adds heating kiln (2) sidewall, on said former and later two end faces that add heating kiln (2) hermatic door (205,206) is installed.