CN210531728U - Gas combustion valve with diffusion function - Google Patents
Gas combustion valve with diffusion function Download PDFInfo
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- CN210531728U CN210531728U CN201920983154.5U CN201920983154U CN210531728U CN 210531728 U CN210531728 U CN 210531728U CN 201920983154 U CN201920983154 U CN 201920983154U CN 210531728 U CN210531728 U CN 210531728U
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Abstract
The utility model relates to a coal gas combustion valve of function is diffused in area, including the combustion valve body, locate the combustion valve plate in the combustion valve body, locate on the combustion valve body and with the first valve rod of combustion valve plate connection and be used for driving the actuating mechanism of first valve rod action, be connected with on the combustion valve body and diffuse the low pressure side that pipe and diffuse the pipe and be located the combustion valve plate, be equipped with the diffusion valve on the diffusion pipe, the diffusion valve has the second valve rod, the second valve rod is connected through four-bar linkage and first valve rod linkage and is opposite with the action of opening and close of first valve rod, four-bar linkage is connected with first valve rod and second valve rod respectively including three connecting rods of articulated in proper order and two connecting rods of head and the tail. The linkage connection between the first valve rod and the second valve rod is realized through the four-bar linkage mechanism, so that the working reliability of the gas combustion valve with the diffusion function can be ensured, and the misoperation or the leakage action is avoided; the structure is simple, the installation and control are easy, the response speed is high, the influence factor from the outside is small, and the work is reliable.
Description
Technical Field
The utility model belongs to the technical field of blast furnace smelting, concretely relates to coal gas combustion valve of function is diffused in area.
Background
The gas branch pipe entering the hot blast stove is provided with a gas cut-off valve and a gas combustion valve. After the hot blast stove enters an air supply state, in order to further prevent high-temperature hot air from leaking into a gas pipeline to generate safety accidents, a bleeding valve on a pipeline between a gas stop valve and a gas combustion valve (both in a closed state) is required to be opened, and the leaked high-temperature hot air is timely diffused. At present, a gas combustion valve and a bleeding valve are independently controlled by a set of driving and controlling device respectively, so that the equipment cost and the maintenance cost are increased, the field equipment also occupies space, the phenomenon of misoperation is easy to occur, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a gas combustion valve of function is diffused in area can solve prior art's partial defect at least.
The utility model relates to a coal gas combustion valve of function is diffused in area, include the combustion valve body, locate combustion valve plate in the combustion valve body, locate on the combustion valve body and with the first valve rod that the combustion valve plate is connected and be used for the drive the actuating mechanism of first valve rod action, be connected with on the combustion valve body and diffuse the pipe just diffuse the pipe and be located the low pressure side of combustion valve plate, be equipped with the valve of diffusing on the pipe, diffuse the valve has the second valve rod, the second valve rod through four-bar linkage with first valve rod linkage connect and with the action of opening and close of first valve rod is opposite, four-bar linkage including three connecting rods of articulated in proper order and two connecting rods of head and the tail respectively with first valve rod with the second valve rod is connected.
As one of the utility model, the four-bar linkage is a parallel four-bar linkage.
As one of the utility model, actuating mechanism includes the swing arm and has the swing arm drive member of flexible output shaft, swing arm one end cup joint in on the first valve rod and the other end with flexible output shaft is articulated, swing arm drive member's casing articulate in on the combustion valve body.
As one of the utility model, the swing arm driving member is a cylinder or a hydraulic cylinder.
The utility model discloses following beneficial effect has at least:
the utility model provides a coal gas combustion valve of function is diffused in area realizes the linkage between first valve rod and the second valve rod through four-bar linkage and is connected, compares in the mode through the electric interlocking action between combustion valve and the diffusion valve, the utility model discloses a pure mechanical linkage mode can guarantee this coal gas combustion valve of function is diffused in area's operational reliability, avoids the malfunction or leaks the action. The four-bar linkage mechanism has the advantages of simple structure, easy installation and control, high response speed, small influence factor from the outside, and reliable work, and is more suitable for the severe environment of the working area where the gas combustion valve is located compared with other transmission modes.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings required for the description of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some of the inventions, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the shutoff state (the bleeding valve is opened) of the gas combustion valve with bleeding function provided by the present invention;
fig. 2 is a schematic view of the through-flow state (the blow-off valve is closed) of the gas combustion valve with the blow-off function provided by the present invention.
Detailed Description
The technical solution in the utility model is clearly and completely described below, and obviously, the described utility model is only a part of the utility model, rather than whole utility model. Based on utility model provides a, the ordinary technical personnel in this field do not make all other utility model that obtain under the creative work prerequisite, all belong to the utility model discloses the scope of protection.
As shown in FIG. 1, the utility model provides a gas combustion valve with a bleeding function, which comprises a combustion valve body 1, a combustion valve plate arranged in the combustion valve body 1, a first valve rod (shown and not labeled) arranged on the combustion valve body 1 and connected with the combustion valve plate, and a driving mechanism 6 for driving the first valve rod to move, a diffusion pipe 3 is connected on the combustion valve body 1, the diffusion pipe 3 is positioned at the low-pressure side of the combustion valve plate, a bleeding valve 4 is arranged on the bleeding pipe 3, the bleeding valve 4 is provided with a second valve rod (shown and not marked), the second valve rod is linked with the first valve rod through a four-bar linkage 5 and is opposite to the opening and closing actions of the first valve rod, the four-bar mechanism 5 comprises three connecting rods which are sequentially hinged, and the head connecting rod and the tail connecting rod are respectively connected with the first valve rod and the second valve rod.
It can be understood that the bleeding pipe 3 is communicated with the valve cavity of the combustion valve body 1, and for the structure that the second valve rod is linked with the first valve rod, based on the relevance of the opening and closing states between the gas combustion valve and the bleeding valve 4, when the first valve rod acts to control the opening of the combustion valve body 1, the second valve rod controls the closing of the bleeding valve 4, and when the first valve rod acts to control the closing of the combustion valve body 1, the second valve rod controls the opening of the bleeding valve 4.
The mode of the first valve rod for controlling the valve plate of the combustion valve to act can be to control the valve plate of the combustion valve to rotate in the valve body 1 of the combustion valve, and can also be to control the valve plate of the combustion valve to move in a radial direction along the valve body 1 of the combustion valve; similarly, the second valve rod controls the opening and closing of the bleeding valve 4 in a manner of controlling the valve plate of the bleeding valve 4 to rotate or to translate along the radial direction of the valve body of the bleeding valve 4. The interlocking action of the first valve rod and the second valve rod can be a combination of the above situations, for example, the first valve rod controls the valve plate of the combustion valve to rotate, and the second valve rod controls the valve plate of the bleeding valve 4 to rotate; the first valve rod controls the valve plate of the combustion valve to move horizontally, and the second valve rod controls the valve plate of the bleeding valve 4 to rotate; the first valve rod controls the valve plate of the combustion valve to rotate, and the second valve rod controls the valve plate of the bleeding valve 4 to move horizontally; the first valve rod controls the valve plate of the combustion valve to translate, and the second valve rod controls the valve plate of the diffusion valve 4 to translate. The four-bar linkage 5 described above is arranged correspondingly. Preferably, the first valve rod and the second valve rod are both rotating shaft type valve rods, namely the first valve rod controls the valve plate of the combustion valve to rotate, and the second valve rod controls the valve plate of the bleeding valve 4 to rotate; in the three connecting rods, the head connecting rod and the tail connecting rod are fixedly connected with the first valve rod and the second valve rod respectively, the rotatable performance of the first valve rod and the rotatable performance of the second valve rod can meet the characteristics of head-tail hinge points in the four-bar mechanism 5, and the first valve rod and the second valve rod are driven to rotate through the head connecting rod and the tail connecting rod respectively.
The utility model provides a take gas combustion valve of function of diffusing realizes the linkage through four-bar linkage 5 between first valve rod and the second valve rod and is connected, compares in the mode through the electric interlocking action between combustion valve and the valve of diffusing 4, the utility model discloses a pure mechanical linkage mode can guarantee this take gas combustion valve of function of diffusing's operational reliability, avoids the malfunction or leaks the action. The four-bar linkage mechanism 5 has the advantages of simple transmission mode structure, easy installation and control, high response speed, small influence factor from the outside, and reliable work, and is more suitable for the severe environment of the working area where the gas combustion valve is located compared with other transmission modes.
Preferably, assuming that the first valve rod rotation angle is α when the combustion valve is fully opened (closed) to closed (open), and the second valve rod rotation angle is β when the blow-off valve 4 is fully opened (closed) to closed (open), the lengths of the rods of the four-bar linkage 5 are reasonably designed to ensure that the blow-off valve 4 is fully closed or opened when the combustion valve is fully opened or closed, the first valve rod rotation angle is α, and the second valve rod just follows the rotation angle β. preferably, as shown in fig. 1 and 2, the four-bar linkage 5 is a parallel four-bar linkage, and based on the transmission mode of the parallel four-bar linkage, the rotation angles of the first valve rod and the second valve rod can be ensured to be the same, namely α ═ β, so that when the combustion valve is fully opened, the blow-off valve 4 is fully closed, and when the combustion valve is fully closed, the blow-off valve 4 is fully opened, and damage to the blow-off valve 4 due to an over-angle action can be avoided.
The structure of the gas combustion valve with the diffusion function is continued, and for the driving mode of the first valve rod rotation, the conventional driving equipment of a rotating shaft type valve rod in the prior art can be adopted; in this embodiment, preferably, as shown in fig. 1 and fig. 2, the driving mechanism 6 includes a swing arm and a swing arm driving member having a telescopic output shaft, one end of the swing arm is sleeved on the first valve rod, and the other end of the swing arm is hinged to the telescopic output shaft, and a housing of the swing arm driving member is hinged to the combustion valve body 1. The swing arm driving member can be a cylinder or a hydraulic cylinder, and can also be a screw rod driving mechanism 6 and other structures, and specific structures are not described in detail here.
As shown in fig. 1 and fig. 2, a gas pipeline 2 of the hot blast stove is connected with a gas inlet of the hot blast stove, and the gas pipeline 2 is provided with the gas combustion valve with the bleeding function; furthermore, a cut-off valve is arranged on the gas pipeline 2 and is positioned on one side of the combustion valve body 1 far away from the hot blast stove.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a coal gas combustion valve of function is diffused in area, includes the combustion valve body, locates combustion valve plate in the combustion valve body, locate on the combustion valve body and with the first valve rod that the combustion valve plate is connected and be used for the drive the actuating mechanism of first valve rod action, be connected with on the combustion valve body and diffuse the pipe just diffuse the pipe and be located the low pressure side of combustion valve plate, be equipped with the valve of diffusing on the pipe, the valve of diffusing has second valve rod, its characterized in that: the second valve rod is connected with the first valve rod in a linkage mode through a four-bar linkage mechanism, the opening and closing actions of the first valve rod are opposite, the four-bar linkage mechanism comprises three connecting rods which are sequentially hinged, and the head connecting rod and the tail connecting rod are respectively connected with the first valve rod and the second valve rod.
2. The gas combustion valve with bleeding function as defined in claim 1, wherein: the four-bar mechanism is a parallel four-bar mechanism.
3. The gas combustion valve with bleeding function as defined in claim 1, wherein: the driving mechanism comprises a swing arm and a swing arm driving component with a telescopic output shaft, one end of the swing arm is sleeved on the first valve rod, the other end of the swing arm is hinged with the telescopic output shaft, and a shell of the swing arm driving component is hinged on the combustion valve body.
4. The gas combustion valve with bleeding function as defined in claim 3, wherein: the swing arm driving component is a cylinder or a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920983154.5U CN210531728U (en) | 2019-06-27 | 2019-06-27 | Gas combustion valve with diffusion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920983154.5U CN210531728U (en) | 2019-06-27 | 2019-06-27 | Gas combustion valve with diffusion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531728U true CN210531728U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920983154.5U Active CN210531728U (en) | 2019-06-27 | 2019-06-27 | Gas combustion valve with diffusion function |
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| CN (1) | CN210531728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185838A (en) * | 2019-06-27 | 2019-08-30 | 中冶南方工程技术有限公司 | Gas-fired valve with diffusion function |
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2019
- 2019-06-27 CN CN201920983154.5U patent/CN210531728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185838A (en) * | 2019-06-27 | 2019-08-30 | 中冶南方工程技术有限公司 | Gas-fired valve with diffusion function |
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