CN112484508A

CN112484508A - Adjusting and controlling device for furnace cooling system

Info

Publication number: CN112484508A
Application number: CN202011399545.6A
Authority: CN
Inventors: 刘畅; 赵鑫; 吴杰; 石晓凯
Original assignee: Beijing Goodgather Energy Science And Technology Co ltd
Current assignee: Beijing Goodgather Energy Science And Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-03-12

Abstract

The invention is suitable for the technical field of furnace cooling, and provides an adjusting and controlling device for a furnace cooling system, which comprises at least two conveying branches, wherein each two conveying branches are connected through a connecting pipeline, a first valve is arranged on the connecting pipeline, each two conveying branches are respectively connected with a first combustion system and a second combustion system, one end of each two conveying branches is connected with at least one air supply system, and each conveying branch is provided with a first adjusting mechanism, a second valve and a third valve, and the adjusting and controlling device has the beneficial effects that: the single-pair single cooling in the cooling system can be improved into single-pair multi-cooling, the efficiency of the whole cooling system can be improved by matching with a kiln system after the improvement, meanwhile, the cooling system is added with the use function, the cooling operation and the solid fuel conveying operation can be simultaneously carried out under the control of a valve and the like, and the production efficiency of the whole kiln is improved.

Description

Adjusting and controlling device for furnace cooling system

Technical Field

The invention relates to the technical field of furnace cooling, in particular to an adjusting and controlling device for a furnace cooling system.

Background

At present, in the existing industrial double-hearth furnace combustion system, related equipment needs to be cooled discontinuously, the cooling mode is generally carried out in a single-to-single and point-to-point mode, a fan is generally adopted to correspond to one set of cooling equipment in the actual use process, and the cooling equipment generally comprises a pipeline, a quick-cutting valve, a check valve, a butterfly valve and the like.

Along with the change of the production condition of the kiln, the required matching of a cooling system also changes, a butterfly valve only can execute the action of opening to the maximum and closing to the maximum, the effect can be generated only by changing the configuration of a fan on the adjustment of the air quantity, the cost is greatly increased, the simple butterfly valve cannot meet the use requirement, the fan needs to be started and stopped frequently and equipment is maintained, and the fault rate of the equipment, the load of the maintenance rate and the use requirement are increased to generate great influence. Meanwhile, in the use process of the cooling system, the cooling system is always used singly, the related equipment is required to be started and stopped frequently under the condition that the air volume meets the cooling requirement, the equipment is influenced greatly by the frequent starting and stopping of the equipment, and the yield of the kiln is influenced greatly when the equipment is damaged.

Disclosure of Invention

An object of an embodiment of the present invention is to provide an adjustment control device for a furnace cooling system, which is intended to solve the technical problems identified in the background art in the prior art.

The embodiment of the invention is realized in such a way that the adjusting and controlling device for the furnace cooling system comprises at least two conveying branches, wherein each two conveying branches are connected through a connecting pipeline, a first valve is installed on the connecting pipeline, each two conveying branches are respectively connected with a first combustion system and a second combustion system, one end of each two conveying branches is connected with at least one air supply system, and each conveying branch is provided with a first adjusting mechanism, a second valve and a third valve, wherein the first adjusting mechanism is used for adjusting the opening and closing degree of the conveying branches, the second valve is used for controlling the on-off of the conveying branches, and the third valve is used for blocking the backflow of a medium.

As a further scheme of the invention: each still be connected with the by-pass pipeline on the transport branch road, install second adjustment mechanism on the by-pass pipeline, second adjustment mechanism is used for releasing the pressure in the transport branch road.

As a still further scheme of the invention: the third valve is a check valve.

As a still further scheme of the invention: when one end of each two conveying branches is connected with one air supply system, the air supply systems alternately input wind power to the first combustion system and the second combustion system for cooling.

Compared with the prior art, the invention has the beneficial effects that: the single-pair single cooling in the cooling system can be improved into single-pair multi-cooling, the efficiency of the whole cooling system can be improved by matching with a kiln system after the improvement is finished, meanwhile, the cooling system is added with the use function, the cooling operation and the solid fuel conveying operation can be simultaneously carried out under the control of a valve and the like, and the production efficiency of the whole kiln is improved; and the structure is simple, the device can be assembled by each standard device on site, and in the installation process, direct hoisting can be realized.

Drawings

Fig. 1 is a schematic structural diagram of a regulating control device for a kiln cooling system.

In the drawings: 1-a first adjusting mechanism, 2-a second adjusting mechanism, 3-a first valve, 4-a second valve, 5-a third valve, 100-a conveying branch, 200-a connecting pipeline, A-a first combustion system, B-a second combustion system, X-a first air supply system and Y-a second air supply system.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, a structure diagram of a regulating and controlling device for a furnace kiln cooling system provided for an embodiment of the present invention includes at least two conveying branches 100, each two conveying branches 100 are connected with each other through a connecting pipe 200, a first valve 3 is installed on the connecting pipe 200, each two conveying branches 100 are respectively connected with a first combustion system a and a second combustion system B, one end of each two conveying branches 100 is connected with at least one air supply system, each conveying branch 100 is installed with a first regulating mechanism 1, a second valve 4 and a third valve 5, wherein the first regulating mechanism 1 is used for regulating the opening degree of the conveying branch 100, the second valve 4 is used for controlling the on-off of the conveying branch 100, the third valve 5 is used for blocking the medium, and preferably, the third valve 5 is a check valve, when one end of each two conveying branches 100 is connected with an air supply system, the air supply system alternately inputs wind power to the first combustion system A and the second combustion system B for cooling.

In practical application of the embodiment of the present invention, taking the number of the conveying branches 100 as two as an example, the corresponding air supply system may be one or two (the first air supply system X and the second air supply system Y), in the case of using gas fuel as fuel, the first combustion system a performs combustion operation, after the combustion operation is completed, the second combustion system B performs combustion operation, the first combustion system a enters cooling operation during the calcination of the second combustion system B, before the first combustion system a enters cooling operation, according to the calcination condition of the whole kiln, the fan is started to adjust the first adjusting mechanism 1 to a corresponding open position, after the calcination of the first combustion system a is completed, the first adjusting mechanism enters cooling, the second valve 4 is opened to allow cooling air to enter the conveying branches 100, and finally enters the first combustion system a to cool the first combustion system a, preparing for the next calcination of the first combustion system A, and cutting off the second valve 4 when the cooling is completed; when the first combustion system A finishes cooling, the second combustion system B is switched to cool,

firstly, the first valve 3 is opened, the second valve 4 is closed, so that cold air output by the first air supply system X can enter the other conveying branch 100 through the connecting pipeline 200 to cool the second combustion system B, after the second combustion system B is cooled, the first valve 3 is opened to a normally open state, the first combustion system a and the second combustion system B can be alternately cooled, and in this case, the corresponding air supply system can finish the cooling operation requirement only by opening one air supply system.

Under the condition that the kiln uses solid fuel, due to the particularity of solid combustion in the kiln process, when the first combustion system a performs calcination operation, the first adjusting mechanism 1 and the second valve 4 are opened, the first valve 3 is closed, cooling gas in the cooling system enters the first combustion system a and participates in the solid fuel transportation, meanwhile, the corresponding first combustion system B can also enter a cooling state, and only mechanisms such as a valve corresponding to the other conveying branch 100 need to be opened, namely, the two conveying branches 100 can perform solid fuel transportation and cooling air supply operation at the same time.

As shown in fig. 1, as a preferred embodiment of the present invention, a bypass pipe is further connected to each of the conveying branches 100, and a second adjusting mechanism 2 is installed on the bypass pipe, and the second adjusting mechanism 2 is used for releasing the pressure in the conveying branch 100.

Due to the change of the air pressure, the gas in the kiln can reversely enter the cooling system, at the moment, the third valve 5 starts to work, the gas in the kiln is blocked in the kiln side pipeline and cannot enter the cooling system, and meanwhile, the second adjusting mechanism 2 is opened to discharge the air pressure in the pipeline according to the change condition of the pressure in the pipeline.

The embodiment of the invention discloses an adjusting and controlling device for a furnace kiln cooling system, which can improve single-pair single cooling in the cooling system into single-pair multi-cooling, and can improve the efficiency of the whole cooling system by matching with a furnace system after the improvement is finished.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A regulating and controlling device for a kiln cooling system comprises at least two conveying branches (100), characterized in that every two conveying branches (100) are connected through a connecting pipeline (200), the connecting pipeline (200) is provided with a first valve (3), every two conveying branches (100) are respectively connected with a first combustion system (A) and a second combustion system (B), one end of every two conveying branches (100) is at least connected with an air supply system, each conveying branch (100) is provided with a first adjusting mechanism (1), a second valve (4) and a third valve (5), wherein the first adjusting mechanism (1) is used for adjusting the opening and closing degree of the conveying branch (100), the second valve (4) is used for controlling the on-off of the conveying branch (100), and the third valve (5) is used for blocking the backflow of the medium.

2. The regulating and controlling device for the furnace kiln cooling system according to claim 1, characterized in that a bypass pipe is further connected to each of the conveying branches (100), a second regulating mechanism (2) is mounted on the bypass pipe, and the second regulating mechanism (2) is used for releasing the pressure in the conveying branches (100).

3. A regulating control for a kiln cooling system according to claim 1, characterised in that the third valve (5) is a check valve.

4. The regulating and controlling device for furnace kiln cooling system according to claim 1 or 2 or 3, characterized in that when one end of each two of said conveying branches (100) is connected with an air supply system, said air supply system alternately inputs wind power to the first combustion system (A) and the second combustion system (B) for cooling.