CN211145455U - Valve core for outlet pipeline valve of biomass furnace - Google Patents
Valve core for outlet pipeline valve of biomass furnace Download PDFInfo
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- CN211145455U CN211145455U CN201921488989.XU CN201921488989U CN211145455U CN 211145455 U CN211145455 U CN 211145455U CN 201921488989 U CN201921488989 U CN 201921488989U CN 211145455 U CN211145455 U CN 211145455U
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Abstract
The utility model discloses a valve core for an outlet pipeline valve of a biomass furnace, which comprises a valve plate, wherein the valve plate is cylindrical; the valve plate is also provided with two communicating holes which are through holes penetrating through the inner side and the outer side of the valve plate; in the axial direction of the valve plate, the two communicating holes are in different positions; the valve plate is characterized by also comprising a turning plate arranged in the valve plate through a second rotating shaft, wherein the turning plate can rotate around the second rotating shaft; the valve plate is characterized by also comprising a return spring arranged between the turning plate and the valve plate, wherein when the return spring is in a free state, the turning plate is in a state of cutting off the flow space in the middle of the valve plate, and in the axis direction of the valve plate, the turning plate is positioned between the two communicating holes; when the turning plate is in a state of cutting off the flow space in the middle of the valve plate, the valve plate is connected with the edge of one communicating hole. The valve core has simple structure and low processing and manufacturing cost; the valve based on the valve core has the advantages of simple structure, easy manufacture, low manufacturing cost and anti-blocking performance.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a case that is used for biomass furnace export pipeline valve.
Background
Along with the rapid development of the urbanization process of the social economy of China and the rapid improvement of the living standard of people, the garbage generated in the urban production and living process is rapidly increased, the conditions that the household garbage occupies land and pollutes the environment are more obvious, and the garbage treatment is more difficult due to the large increase of the urban household garbage. In addition, one of the traditional ways of obtaining a large amount of straws in agricultural production and a large amount of branches and wood chips in wood industry production is to adopt direct incineration to obtain heat for recycling, so that the problems of environmental pollution and the like gradually attract wide attention of various social circles.
For example, in the conventional garbage disposal process, landfill disposal or incineration disposal is generally selected for garbage without recycling value. The solid waste landfill treatment of the household garbage not only occupies the land, but also has great threat to underground water resources; although the waste incineration treatment can realize certain energy conversion and reduce the requirements of post treatment on space, when the waste is incinerated, a large amount of fly ash and nitrogen oxides are generated, and meanwhile, toxic substances such as dioxin, which have great influence on the environment, are generated, so that burden is brought to the flue gas purification treatment and the emission.
Aiming at the problems, biomass processing equipment such as garbage and the like which is different from incineration and takes gasification and pyrolysis as means is provided in the prior art, and by adopting the equipment, organic matter components in the waste can be converted into different energy forms such as combustible gas, tar and the like which can be conveniently utilized, so that the economy is better; meanwhile, the required air coefficient is low, so that the energy utilization rate is high, the emission of harmful gases such as dioxin is less, and the tail gas treatment investment is less.
However, when the above biomass processing apparatus or system based on gasification and pyrolysis is in operation, such as at the initial stage of system start-up and at the stage of system operation instability, the generated product gas may be substandard or even unavailable, so a three-way valve (or a valve is respectively installed on different pipelines) is generally disposed on the outlet pipeline of the existing biomass processing system, in the three-way valve, one valve port is used as a gas inlet, and the other two valve ports are used as gas outlets, and the communication state between the gas inlet and the specific gas outlet is adjusted through corresponding valve plugs, so as to realize fluid shunt transportation by using different valve port output forms according to the quality of the product gas.
In the prior art, the corresponding valves adopt three-way valves, stop valves, gate valves and the like to achieve the required purposes, but the existing valves are generally classified into high-temperature valves, so that the problem of high purchase cost exists.
SUMMERY OF THE UTILITY MODEL
Corresponding valve that is used for the fluid of biomass processing system to carry along separate routes that above-mentioned provided, there is the technical problem that the valve purchase cost is high, the utility model provides a case for biomass furnace outlet pipeline valve. The valve core has simple structure and low processing and manufacturing cost; the valve based on the valve core has the advantages of simple structure, easy manufacture, low manufacturing cost and anti-blocking performance.
To the above problem, the utility model provides a pair of a case for biomass furnace export pipeline valve door solves the problem through following technical essential: a valve core for a pipeline valve at an outlet of a biomass furnace comprises a valve plate, wherein the valve plate is cylindrical;
the valve plate is also provided with two communicating holes which are through holes penetrating through the inner side and the outer side of the valve plate;
in the axial direction of the valve plate, the two communicating holes are in different positions;
the valve plate is characterized by also comprising a turning plate arranged in the valve plate through a second rotating shaft, wherein the turning plate can rotate around the second rotating shaft;
the valve plate is characterized by also comprising a return spring arranged between the turning plate and the valve plate, wherein when the return spring is in a free state, the turning plate is in a state of cutting off the flow space in the middle of the valve plate, and in the axis direction of the valve plate, the turning plate is positioned between the two communicating holes;
when the turning plate is in a state of cutting off the flow space in the middle of the valve plate, the valve plate is connected with the edge of one communicating hole.
When the valve core is specifically used, a pipeline valve is obtained by matching with a corresponding pipeline or a corresponding valve body, if the pipeline valve is set to comprise the valve body and a valve plate arranged in the valve body, the valve body comprises a dead pipe section and two outlet pipes, the dead pipe section and the outlet pipes can be prepared by using pipelines on the existing pipeline, or can be prepared by using independent pipelines so as to obtain the pipeline valve independent of the pipeline, the inlet ends of the outlet pipes are connected to the side surface of the dead pipe section, and the relative positions of the respective inlet ends of the outlet pipes are matched with the relative positions of two communicating holes on the valve plate;
the valve plate is coaxial with the dead pipe section, the valve plate is arranged in the dead pipe section, and the outer surface of the valve plate is attached to the inner surface of the dead pipe section;
the valve plate is characterized by also comprising a driving mechanism for driving the valve plate to rotate around the axis of the valve plate, wherein one of the two outlet pipes is a pipe A, and the other outlet pipe is a pipe B;
when one of the communication holes is in the state of the conduction pipe A and the dead pipe section, the other communication hole is staggered with the pipe B, and the pipe B and the dead pipe section are in a cut-off state; when one of the communication holes is in the state of conducting the pipe B and the dead pipe section, the other communication hole is staggered with the pipe A, and the pipe A and the dead pipe section are in a cut-off state.
The above example illustrates a specific application of the above valve core, and more specifically, the open end of the dead pipe section is used as a fluid inflow end of a fluid inflow pipeline valve, two outlet pipes are used as different fluid outflow pipes of a fluid outflow pipeline valve, and the outlet pipe communicated with the dead pipe section is controlled by the valve plate: the valve plate is driven to rotate by the driving mechanism, and when the communication hole in the valve plate is positioned at a position for communicating the dead pipe section with a certain outlet pipe, fluid can be output corresponding to the outlet pipe. Therefore, by adopting the scheme, the generated gas can be defined to comprise the standard product gas and the unqualified initial gas according to the specific working state of the biomass furnace, and the specific pipeline trend of the generated product gas and the initial gas is controlled to realize the differentiated transportation of the generated gas.
In this scheme, when specifically preparing the valve, no matter prepare the valve body, still to the case, all have characteristics easily that preparation, low in manufacturing cost: aiming at the valve body, the valve body can be easily obtained by adopting three straight pipe sections: one end of the straight pipe section is welded as a bottom plate of the sealing end of the dead pipe section, and after two pipe holes are formed in the side surface of the straight pipe section, one straight pipe is welded at each corresponding pipe hole position to serve as the outlet pipe; the three straight pipe sections can also utilize the straight pipe sections on the existing fluid line; the valve plate as the valve core can be obtained by drilling a communicating hole on a straight pipe section. Therefore, in terms of cost, the fluid shunt conveying function can be achieved by adopting one valve, and meanwhile, compared with the existing valve, the manufacturing cost and the manufacturing difficulty are lower in the manufacturing cost of the valve body and the valve core.
In this scheme, because when adjusting blind pipe section and concrete outlet pipe conducting state, the valve plate cooperation is in the particular position of blind pipe section, so to the condition of blind pipe section inner wall enrichment dust, the fitting surface of valve plate and blind pipe section is the dead angle of enrichment dust, like this, when driving the valve plate through actuating mechanism and rotating, can effectively reduce the dust and to the influence of valve plate pivoted, so this scheme still has the characteristics that the drive valve plate rotates easily.
In this scheme, set up to including turning over the board, set up to including reset spring simultaneously, when concrete application, the intercommunicating pore setting that meets with the valve plate edge is at the valve plate in the fluid flow path's of valve plate upper reaches, this intercommunicating pore is more close to the open end as the dead leg entry end than another intercommunicating pore promptly, like this, can effectively avoid leading to the slide to be blockked up because of the enrichment dust in the valve plate: in the scheme, the reset spring is used for automatically resetting the state of the turning plate plugging valve plate, the driving form of the turning plate can be driven by an auxiliary driving device, and the turning plate can be regarded as a valve core of a butterfly valve in the state; the pneumatic driving in the dead pipe section can also be utilized, and when the pneumatic driving is utilized, the pneumatic driving can be realized by utilizing the difference of the air pressure on the surfaces of the turning plates at the two sides of the second rotating shaft: the second rotating shaft is eccentrically arranged on the turning plate. Therefore, when the turning plate is in a free state, the turning plate seals the valve plate, so that dust cannot be accumulated on one side of the valve plate close to the closed end of the dead pipe section, and when an outlet pipe at the rear end of the turning plate needs to be communicated with the dead pipe section, the turning plate is forced to rotate through the driving device or air pressure. Aiming at the reset spring, a second rotating shaft can be rotatably connected with the turning plate and fixedly connected with the valve plate, at the moment, the reset spring can be a spiral spring arranged on the inner side of the valve plate, and two ends of the spiral spring are respectively fixedly connected with the valve plate and the turning plate; the valve plate can be fixedly connected with the second rotating shaft through a gap, and the valve plate can be fixedly connected with the second rotating shaft through a gap.
The further technical scheme is as follows:
in order to make the orientation of the outlet pipes as uniform as possible, in order to facilitate the arrangement of the outlet lines, it is provided that: the two communication holes are at different positions in the circumferential direction of the valve plate.
For the convenience switches the connected state of dead leg and concrete outlet pipe, set up to: cross the mid point of one of them intercommunicating pore, and be perpendicular A with the perpendicular of valve plate axis, cross the mid point of another intercommunicating pore, and be perpendicular B with the perpendicular of valve plate axis, the contained angle between perpendicular A and the perpendicular B is 90 or 180. By adopting the scheme, if the driving mechanism is arranged to comprise the first rotating shaft and the hand wheel; the valve plate is arranged in a blind pipe shape, and the sealing end of the valve plate is attached to the sealing end of the blind pipe section; the middle part of the sealing end of the dead leg section is also provided with a mounting hole with a through hole, the axis of the first rotating shaft is collinear with the axis of the dead leg section, and the first rotating shaft is rotatably mounted in the mounting hole; one end of the first rotating shaft is fixedly connected with the sealing end of the dead pipe section, and when the hand wheel is fixedly connected with the other end of the first rotating shaft, the switching can be realized by judging the rotating angle of the hand wheel. Further, aiming at the driving scheme, in order to realize sealing of the sealing end of the dead pipe section, the driving scheme is set as follows: the sealing device is used for sealing the matching position of the dead pipe section and the first rotating shaft.
The sealing device is a sealing device implementation scheme which is simple in structure, low in manufacturing cost and easy to maintain, and the sealing device is a packing sealing mechanism comprising a pressing plate and sealing packing.
In order to avoid the valve plate to slide along the axis of the dead pipe section, the device is provided with: and the first rotating shaft is also provided with a limiting device used for limiting the position of the dead pipe section on the axis of the first rotating shaft. As a person skilled in the art, the limiting device can be implemented by a limiting boss installed on the first rotating shaft, a circlip for the shaft, or a rolling bearing capable of bearing an axial force: if the deep groove ball bearing is adopted, the inner side and the outer side of the deep groove ball bearing are respectively in addiction matching with the first rotating shaft and the closed end of the dead pipe section.
Because the exit end of outlet pipe generally need set up the pipeline, so the concrete state of conducting through of outlet pipe and dead leg is not directly perceived at this shunt valve position, for the condition appearance that avoids appearing outlet pipe mistake switch on, sets up to: and a locking device used for locking the first rotating shaft relative to the dead pipe section is also arranged between the first rotating shaft and the dead pipe section. The locking device can adopt a fastener arranged between the first rotating shaft and the dead pipe section, such as an anchor ear, a bolt, a lock nut and the like.
In order to be favorable to the cooperation precision of valve plate and dead leg section, set up as: the valve plate is in a blind pipe shape, the communicating holes are respectively a hole A and a hole B, when the turning plate is in a state of cutting off the flow space in the middle of the valve plate, the hole A is connected with the turning plate, and in the hole A and the hole B, the hole A is the communicating hole close to the opening end of the valve plate. This scheme is when concrete application, and the seal end of above valve plate pastes with the seal end of cecum section mutually, aims at reaching through the interact of two seal ends and does benefit to the purpose of cooperation precision. After the installation is completed, on the flow path of the fluid in the valve plate, the hole a as the communicating hole is the communicating hole near the inlet end of the valve plate.
For avoiding piling up the dust in the valve plate inlet end dead leg section as far as possible, set up to: the valve plate is the blind pipe form, the open end tip of valve plate is for having domatic pointed end, domatic open end pore wall that makes the valve plate is conical, and on conical paragraph, the diameter maximum position is located the open end tip of valve plate. In this scheme, domatic promptly is in leading-in valve plate with the dust to convenient exhaust leading-in face.
In order to realize that the turning plate automatically adjusts the state to control the on-off of the corresponding position of the valve plate under the air pressure, the setting is as follows: the second rotating shaft is eccentrically matched with the turning plate relative to the center of the turning plate.
As a specific implementation mode of the return spring, the return spring is a spiral spring which is arranged in the valve plate, and two ends of the spiral spring are fixedly connected with the valve plate and the turning plate respectively.
As a specific implementation mode of the reset spring, the reset spring is a torque spring which is arranged outside the valve plate, two ends of the torque spring are fixedly connected with the valve plate and a second rotating shaft respectively, the second rotating shaft is fixedly connected with the turning plate, and the second rotating shaft is rotatably connected to the valve plate.
For avoiding the design degree of difficulty or the structural complexity degree that reset spring increases the dead leg section sets up to: the hole that is used for installing the second pivot on the valve plate is including the step hole that link up the valve plate lateral wall, the aperture in the step hole outside is greater than inboard aperture, reset spring installs in the hole section in the step hole outside.
The utility model discloses following beneficial effect has:
in this scheme, when specifically preparing the valve, no matter prepare the valve body, still to the case, all have characteristics easily that preparation, low in manufacturing cost: aiming at the valve body, the valve body can be easily obtained by adopting three straight pipe sections: one end of the straight pipe section is welded as a bottom plate of the sealing end of the dead pipe section, and after two pipe holes are formed in the side surface of the straight pipe section, one straight pipe is welded at each corresponding pipe hole position to serve as the outlet pipe; the three straight pipe sections can also utilize the straight pipe sections on the existing fluid line; the valve plate as the valve core can be obtained by drilling a communicating hole on a straight pipe section. Therefore, in terms of cost, the fluid shunt conveying function can be achieved by adopting one valve, and meanwhile, compared with the existing valve, the manufacturing cost and the manufacturing difficulty are lower in the manufacturing cost of the valve body and the valve core.
In this scheme, because when adjusting blind pipe section and concrete outlet pipe conducting state, the valve plate cooperation is in the particular position of blind pipe section, so to the condition of blind pipe section inner wall enrichment dust, the fitting surface of valve plate and blind pipe section is the dead angle of enrichment dust, like this, when driving the valve plate through actuating mechanism and rotating, can effectively reduce the dust and to the influence of valve plate pivoted, so this scheme still has the characteristics that the drive valve plate rotates easily.
In this scheme, set up to including turning over the board, set up to including reset spring simultaneously, when concrete application, the intercommunicating pore setting that meets with the valve plate edge is at the valve plate in the fluid flow path's of valve plate upper reaches, this intercommunicating pore is more close to the open end as the dead leg entry end than another intercommunicating pore promptly, like this, can effectively avoid leading to the slide to be blockked up because of the enrichment dust in the valve plate: in the scheme, the reset spring is used for automatically resetting the state of the turning plate plugging valve plate, the driving form of the turning plate can be driven by an auxiliary driving device, and the turning plate can be regarded as a valve core of a butterfly valve in the state; the pneumatic driving in the dead pipe section can also be utilized, and when the pneumatic driving is utilized, the pneumatic driving can be realized by utilizing the difference of the air pressure on the surfaces of the turning plates at the two sides of the second rotating shaft: the second rotating shaft is eccentrically arranged on the turning plate. Therefore, when the turning plate is in a free state, the turning plate seals the valve plate, so that dust cannot be accumulated on one side of the valve plate close to the closed end of the dead leg, and when an outlet pipe at the rear end of the turning plate needs to be communicated with the dead leg, the turning plate is forced to rotate through the driving device or air pressure, and then the conduction between the other outlet pipe and the inlet of the dead leg can be realized.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention, which is a sectional view of a valve including the valve element;
fig. 2 is a schematic view of a partial structure of a specific embodiment of a valve core for an outlet pipeline valve of a biomass furnace according to the present invention, the schematic view is a schematic view of a valve plate, and the schematic view is used for reflecting a matching manner of a second rotating shaft and the valve plate when a return spring is a torque spring;
fig. 3 is a schematic structural diagram of a specific embodiment of a valve core for an outlet pipeline valve of a biomass furnace, which is an external structural feature of a valve plate.
The labels in the figure are respectively: 1. the device comprises a dead pipe section, 2, a communication hole, 3, an outlet pipe, 4, a valve plate, 5, a turning plate, 6, a first rotating shaft, 7, a sealing device, 8, a hand wheel, 9, a slope surface, 10, a second rotating shaft, 11 and a return spring.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
example 1:
as shown in fig. 1 to 3, the valve core for the outlet pipeline valve of the biomass furnace comprises a valve plate 4, wherein the valve plate 4 is cylindrical;
the valve plate 4 is also provided with two communicating holes 2, and the communicating holes 2 are through holes penetrating through the inner side and the outer side of the valve plate 4;
in the axial direction of the valve plate 4, the two communication holes 2 are at different positions;
the valve plate is characterized by further comprising a turning plate 5 arranged in the valve plate 4 through a second rotating shaft 10, wherein the turning plate 5 can rotate around the second rotating shaft 10;
the valve plate is characterized by further comprising a return spring 11 arranged between the turning plate 5 and the valve plate 4, when the return spring 11 is in a free state, the turning plate 5 is in a state of cutting off a flow space in the middle of the valve plate 4, and in the axial direction of the valve plate 4, the turning plate 5 is located between the two communicating holes 2;
when the turning plate 5 is in a state of cutting off the flow space in the middle of the valve plate 4, the valve plate 4 is connected with the edge of one communicating hole 2.
When the valve core is specifically used, a pipeline valve is obtained by matching with a corresponding pipeline or a corresponding valve body, if the pipeline valve is set to comprise the valve body and a valve plate 4 arranged in the valve body, the valve body comprises a dead pipe section 1 and two outlet pipes 3, the dead pipe section 1 and the outlet pipes 3 can be prepared by using pipelines on the existing pipeline, or can be prepared by using independent pipelines so as to obtain the pipeline valve independent of the pipeline, the inlet ends of the outlet pipes 3 are connected to the side surface of the dead pipe section 1, and the relative positions of the inlet ends of the outlet pipes 3 are matched with the relative positions of the two communicating holes 2 on the valve plate 4;
the valve plate 4 is coaxial with the dead pipe section 1, the valve plate 4 is arranged in the dead pipe section 1, and the outer surface of the valve plate 4 is attached to the inner surface of the dead pipe section 1;
the valve plate is characterized by further comprising a driving mechanism for driving the valve plate 4 to rotate around the axis of the valve plate, wherein one of the two outlet pipes 3 is a pipe A, and the other outlet pipe 3 is a pipe B;
when one of the communication holes 2 is in a state of a conduction pipe A and a dead pipe section 1, the other communication hole 2 is staggered with a pipe B, and the pipe B and the dead pipe section 1 are in a cut-off state; when one of the communication holes 2 is in a state of conducting the pipe B and the dead leg 1, the other communication hole 2 is staggered with the pipe A, and the pipe A and the dead leg 1 are in a cut-off state.
The above illustrates a specific application of the above valve core, and more specifically, the open end of the dead pipe section 1 is used as a fluid inflow end of a fluid inflow pipeline valve, two outlet pipes 3 are used as different fluid outflow pipes of a fluid outflow pipeline valve, and the outlet pipe 3 communicated with the dead pipe section 1 is controlled by the valve plate 4: the valve plate 4 is driven to rotate by the driving mechanism, and when the communication hole 2 on the valve plate 4 is positioned to communicate the dead pipe section 1 with a certain outlet pipe 3, fluid can be output corresponding to the outlet pipe 3. Therefore, by adopting the scheme, the generated gas can be defined to comprise the standard product gas and the unqualified initial gas according to the specific working state of the biomass furnace, and the specific pipeline trend of the generated product gas and the initial gas is controlled to realize the differentiated transportation of the generated gas.
In this scheme, when specifically preparing the valve, no matter prepare the valve body, still to the case, all have characteristics easily that preparation, low in manufacturing cost: aiming at the valve body, the valve body can be easily obtained by adopting three straight pipe sections: one end of the straight pipe section is welded as a bottom plate of the sealing end of the dead pipe section 1, and after two pipe holes are formed in the side surface of the straight pipe section, one straight pipe is welded at each corresponding pipe hole position to serve as the outlet pipe 3; the three straight pipe sections can also utilize the straight pipe sections on the existing fluid line; the valve plate 4 as the valve core can be obtained by drilling the communicating hole 2 on a straight pipe section. Therefore, in terms of cost, the fluid shunt conveying function can be achieved by adopting one valve, and meanwhile, compared with the existing valve, the manufacturing cost and the manufacturing difficulty are lower in the manufacturing cost of the valve body and the valve core.
In this scheme, because when adjusting blind pipe section 1 and concrete outlet pipe 3 conducting state, valve plate 4 cooperation is in the particular position of blind pipe section 1, so to the condition of 1 inner wall enrichment dust of blind pipe section, the fitting surface of valve plate 4 and blind pipe section 1 is the dead angle of enrichment dust, like this, when driving valve plate 4 through actuating mechanism rotates, can effectively reduce the dust to valve plate 4 pivoted influence, so this scheme still has the characteristics that drive valve plate 4 rotates easily.
In this scheme, set up to turning over board 5 including, set up to including reset spring 11 simultaneously, when specifically using, the intercommunicating pore 2 that meets with 4 edges of valve plate sets up the upper reaches of the fluid flow path in valve plate 4, and this intercommunicating pore 2 is closer to the open end as the inlet end of dead leg 1 than another intercommunicating pore 2 promptly, like this, can effectively avoid leading to the slide to be blockked up because of the enrichment dust in the valve plate 4: in the scheme, the reset spring 11 is used for realizing the automatic reset of the state that the turning plate 5 blocks the valve plate 4, the driving form of the turning plate 5 can be driven by an auxiliary driving device, and the turning plate 5 can be regarded as a valve core of a butterfly valve in the state; the pneumatic driving in the dead pipe section 1 can also be utilized, and when the pneumatic driving is utilized, the pneumatic driving can be realized by utilizing the difference of the air pressure on the surfaces of the turning plates 5 at the two sides of the second rotating shaft 10: the second rotating shaft 10 is eccentrically arranged on the turning plate 5. Therefore, when the turning plate 5 is in a free state, the turning plate 5 blocks the valve plate 4, so that dust cannot be accumulated on one side of the valve plate 4 close to the closed end of the dead pipe section 1, and when the outlet pipe 3 at the rear end of the turning plate 5 needs to be communicated with the dead pipe section 1, the turning plate 5 is forced to rotate through the driving device or air pressure. Aiming at the reset spring 11, a second rotating shaft 10 can be rotatably connected with the turning plate 5, the second rotating shaft 10 is fixedly connected with the valve plate 4, at the moment, the reset spring 11 can be a spiral spring arranged on the inner side of the valve plate 4, and two ends of the spiral spring are respectively fixedly connected with the valve plate 4 and the turning plate 5; the second rotating shaft 10 and the turning plate 5 can also be fixedly connected, if the second rotating shaft 10 is in interference fit with the turning plate 5, the second rotating shaft 10 is in key connection with the turning plate 5, the second rotating shaft 10 is in rotatable connection with the valve plate 4, at the moment, in order to facilitate installation, the reset spring 11 can be a torque spring arranged on the outer side of the valve plate 4, two ends of the torque spring are respectively and fixedly connected with the second rotating shaft 10 and the valve plate 4, meanwhile, in order to facilitate assembly, a step hole with the outer diameter larger than the inner diameter is arranged on the outer side of the valve plate 4, the inner side hole section of the step hole is used for being in clearance fit with the second rotating shaft 10, and the outer hole section of the step hole is.
Example 2:
this embodiment is further defined on the basis of embodiment 1, as shown in fig. 1 to 3, in order to make the orientation of the outlet pipes 3 as identical as possible, in order to facilitate the arrangement of the outlet pipes 3, the arrangement is such that: in the circumferential direction of the valve plate 4, the two communication holes 2 are at different positions.
For the convenience to switch the state of intercommunication of cecum section 1 and concrete outlet pipe 3, set up as: cross the mid point of one of them intercommunicating pore 2, and be perpendicular A with the perpendicular of valve plate 4 axis, cross the mid point of another intercommunicating pore 2, and be perpendicular B with the perpendicular of valve plate 4 axis, the contained angle between perpendicular A and the perpendicular B is 90 or 180. By adopting the scheme, if the driving mechanism is arranged to comprise the first rotating shaft 6 and the hand wheel 8; the valve plate 4 is arranged in a blind pipe shape, and the sealing end of the valve plate 4 is attached to the sealing end of the blind pipe section 1; the middle part of the sealing end of the dead leg section 1 is also provided with a mounting hole with a through hole, the axis of the first rotating shaft 6 is collinear with the axis of the dead leg section 1, and the first rotating shaft 6 can be rotatably mounted in the mounting hole; one end of the first rotating shaft 6 is fixedly connected with the sealing end of the dead pipe section 1, and when the hand wheel 8 is fixedly connected with the other end of the first rotating shaft 6, the switching can be realized by judging the rotating angle of the hand wheel 8. Further, aiming at the driving scheme, in order to realize sealing of the sealing end of the dead pipe section 1, the driving scheme is set as follows: and a sealing device 7 for sealing the matching position of the dead pipe section 1 and the first rotating shaft 6.
As a sealing device 7 implementation solution with simple structure, low manufacturing cost and easy maintenance, the sealing device 7 is a packing sealing mechanism including a pressure plate and a sealing packing.
In order to avoid the valve plate 4 sliding along the axis of the dead leg 1, the following arrangement is adopted: and the first rotating shaft 6 is also provided with a limiting device for limiting the position of the dead pipe section 1 on the axis of the first rotating shaft 6. As a person skilled in the art, the limiting device can be implemented by a limiting boss installed on the first rotating shaft 6, a circlip for a shaft, or a rolling bearing capable of bearing an axial force: if a deep groove ball bearing is adopted, the inner side and the outer side of the deep groove ball bearing are respectively in an addiction matching mode with the first rotating shaft 6 and the closed end of the dead pipe section 1.
Because the exit end of outlet pipe 3 generally need set up the pipeline, the concrete conducting state of so outlet pipe 3 and dead leg 1 is not directly perceived at this shunt valve position, for the condition appearance that avoids appearing outlet pipe 3 mistake conduction, sets up to: a locking device for locking the first rotating shaft 6 relative to the dead pipe section 1 is also arranged between the first rotating shaft 6 and the dead pipe section 1. The locking device can adopt a fastener arranged between the first rotating shaft 6 and the dead pipe section 1, such as an anchor ear, a bolt, a lock nut and the like.
In order to be favorable to the cooperation precision of valve plate 4 and dead leg 1, set up as: the valve plate 4 is in a blind pipe shape, the communicating holes 2 are respectively a hole A and a hole B, when the turning plate 5 is in a state of cutting off the middle circulation space of the valve plate 4, the hole A is connected with the turning plate 5, and in the hole A and the hole B, the hole A is the communicating hole 2 close to the opening end of the valve plate 4. This scheme is when concrete application, and the seal end of above valve plate 4 pastes with the seal end of dead leg 1, aims at reaching through the interact of two seal ends and does benefit to the mesh of cooperation precision. After the installation is completed, in the flow path of the fluid in the valve plate 4, the hole a as the communication hole 2 is the communication hole 2 near the inlet end of the valve plate 4.
In order to avoid piling up the dust in valve plate 4 inlet end dead leg 1 as far as possible, set up as: the valve plate 4 is the blind pipe form, the open end tip of valve plate 4 is the most advanced that has domatic 9, domatic 9 makes the open end pore wall of valve plate 4 be conical, and on conical paragraph, the diameter maximum position is located the open end tip of valve plate 4. In this scheme, domatic 9 is promptly in leading-in valve plate 4 with the dust to convenient exhaust leading-in face.
In order to realize that the turning plate 5 automatically adjusts the state under the air pressure so as to control the on-off of the corresponding position of the valve plate 4, the setting is as follows: the second rotating shaft 10 is eccentrically matched with the turning plate 5 relative to the center of the turning plate 5.
As a specific implementation manner of the return spring 11, the return spring 11 is a coil spring disposed in the valve plate 4, and two ends of the coil spring are respectively fixedly connected to the valve plate 4 and the turning plate 5.
As a specific implementation manner of the return spring 11, the return spring 11 is a torque spring which is arranged outside the valve plate 4 and two ends of which are respectively fixedly connected with the valve plate 4 and the second rotating shaft 10, the second rotating shaft 10 is fixedly connected with the turning plate 5, and the second rotating shaft 10 is rotatably connected to the valve plate 4.
In order to avoid the design difficulty or the structural complexity of the reset spring 11 for increasing the dead leg section 1, the following steps are carried out: the hole that is used for installing second pivot 10 on valve plate 4 includes the step hole that link up valve plate 4 lateral wall, the aperture in the step hole outside is greater than inboard aperture, reset spring 11 installs in the hole section in the step hole outside.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (9)
1. A valve core for a biomass furnace outlet pipeline valve comprises a valve plate (4), and is characterized in that the valve plate (4) is cylindrical;
the valve plate (4) is also provided with two communicating holes (2), and the communicating holes (2) are through holes penetrating through the inner side and the outer side of the valve plate (4);
in the axial direction of the valve plate (4), the two communicating holes (2) are at different positions;
the valve plate is characterized by further comprising a turning plate (5) arranged in the valve plate (4) through a second rotating shaft (10), wherein the turning plate (5) can rotate around the second rotating shaft (10);
the valve plate is characterized by further comprising a return spring (11) arranged between the turning plate (5) and the valve plate (4), wherein when the return spring (11) is in a free state, the turning plate (5) is in a state of cutting off the middle circulation space of the valve plate (4), and in the axial direction of the valve plate (4), the turning plate (5) is located between the two communicating holes (2);
when the turning plate (5) is in a state of cutting off the flow space in the middle of the valve plate (4), the valve plate (4) is connected with the edge of one communicating hole (2).
2. The valve core for the outlet pipeline valve of the biomass furnace according to claim 1, wherein the two communication holes (2) are at different positions in the circumferential direction of the valve plate (4).
3. The valve core for the outlet pipeline valve of the biomass furnace according to claim 2, wherein a perpendicular line passing through the middle point of one of the communication holes (2) and perpendicular to the axis of the valve plate (4) is a perpendicular line A, a perpendicular line passing through the middle point of the other communication hole (2) and perpendicular to the axis of the valve plate (4) is a perpendicular line B, and the included angle between the perpendicular line A and the perpendicular line B is 90 degrees or 180 degrees.
4. The valve core for the outlet pipeline valve of the biomass furnace according to claim 2, wherein the valve plate (4) is in a blind pipe shape, the communication holes (2) are respectively a hole A and a hole B, when the turning plate (5) is in a state of cutting off the flow space in the middle of the valve plate (4), the hole A is connected with the turning plate (5), and in both the hole A and the hole B, the hole A is the communication hole (2) close to the opening end of the valve plate (4).
5. The valve core for the biomass furnace outlet pipeline valve is characterized in that the valve plate (4) is in a blind pipe shape, the open end of the valve plate (4) is a tip end with a slope surface (9), the slope surface (9) enables the wall of the open end hole of the valve plate (4) to be in a conical shape, and the position with the largest diameter is located at the open end of the valve plate (4) on the conical section.
6. The valve cartridge for a biomass furnace outlet line valve according to any one of claims 1 to 5, characterized in that the second rotating shaft (10) is eccentrically fitted with the flap (5) with respect to the center of the flap (5).
7. The valve core for the biomass furnace outlet pipeline valve according to any one of claims 1 to 5, wherein the return spring (11) is a coil spring which is arranged in the valve plate (4) and is fixedly connected with the valve plate (4) and the turning plate (5) at two ends respectively.
8. The valve core for the outlet pipeline valve of the biomass furnace according to any one of claims 1 to 5, wherein the return spring (11) is a torque spring which is arranged outside the valve plate (4) and two ends of which are respectively fixedly connected with the valve plate (4) and a second rotating shaft (10), the second rotating shaft (10) is fixedly connected with the turning plate (5), and the second rotating shaft (10) is rotatably connected with the valve plate (4).
9. The valve core for the outlet pipeline valve of the biomass furnace according to claim 8, wherein the hole of the valve plate (4) for installing the second rotating shaft (10) comprises a stepped hole penetrating through the side wall of the valve plate (4), the hole diameter of the outer side of the stepped hole is larger than that of the inner side of the stepped hole, and the return spring (11) is installed in the hole section of the outer side of the stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921488989.XU CN211145455U (en) | 2019-09-06 | 2019-09-06 | Valve core for outlet pipeline valve of biomass furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921488989.XU CN211145455U (en) | 2019-09-06 | 2019-09-06 | Valve core for outlet pipeline valve of biomass furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145455U true CN211145455U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921488989.XU Expired - Fee Related CN211145455U (en) | 2019-09-06 | 2019-09-06 | Valve core for outlet pipeline valve of biomass furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440030A (en) * | 2019-09-06 | 2019-11-12 | 成都翠威新能源科技中心(有限合伙) | A kind of spool for biomass stove outlet line valve |
-
2019
- 2019-09-06 CN CN201921488989.XU patent/CN211145455U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440030A (en) * | 2019-09-06 | 2019-11-12 | 成都翠威新能源科技中心(有限合伙) | A kind of spool for biomass stove outlet line valve |
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