CN112161069A

CN112161069A - Modular combined valve pedestal and valve

Info

Publication number: CN112161069A
Application number: CN202011082197.XA
Authority: CN
Inventors: 刘德鑫; 张乃波; 卢泾杉
Original assignee: Heilongjiang Beifang Valve Co ltd; Heilongjiang Muling Power Station Valve Co ltd
Current assignee: Heilongjiang Beifang Valve Co ltd; Heilongjiang Muling Power Station Valve Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-01

Abstract

The invention relates to the field of valves, in particular to a modular combined valve pedestal and a valve. Including the valve body that has a plurality of holding tanks, be provided with first passageway and second passageway on the valve body, a plurality of holding tanks and the second passageway of first passageway, valve body communicate in proper order, every holding tank upper portion can be dismantled and be provided with sealed unit, the sealed unit lower part with the connection can be dismantled to the valve body, sealed unit upper portion can be dismantled and be provided with execution unit, every group execution unit and sealed unit all form the chamber that holds the case with the valve body. Compared with the prior art, the method has the advantages that: through modular design, corresponding combined functions can be realized by a simple method of replacing the inner valve core after the valve body is welded, space is reserved for system optimization and upgrading, system optimization and upgrading cost is reduced, the modular structure is easy to maintain, maintenance time is effectively shortened, maintenance cost is saved, inventory can be reduced, and production and management cost is reduced.

Description

Modular combined valve pedestal and valve

Technical Field

The invention relates to the field of valves, in particular to a modular combined valve pedestal and a valve.

Background

At present, in a power station boiler system and a steam turbine system, two valves with the same caliber are often used in series for use in the same pipeline, for example, two stop valves are connected in series, one is in charge of opening and closing, and the other is normally opened for standby in series; or one temperature reduction water pipeline is used for flow regulation by using a stop valve which is normally opened and connected in series with a throttle valve; or one stop valve and one check valve are connected in series to realize the control of the on-off of the medium and the prevention of the backflow of the medium and the like. The existing valve can not meet the changeable use function requirement, and the existing series connection use scheme has single function and no space for improving the performance. For example, the manual function valve is used in the construction of pipelines in consideration of economic factors, and the manual valve is upgraded to the electric valve in the later period for realizing automatic control, so that the valve is required to be greatly changed or the manual valve is replaced to the electric valve and then welded again.

Disclosure of Invention

The invention aims to solve the technical problem of providing a modular combined valve pedestal, and solves the problems that a high-pressure valve of a traditional power station has a single function and the type of the valve cannot be replaced without cutting a pipeline.

The technical scheme for solving the technical problems is as follows: the utility model provides a modular combination valve bed frame, is provided with first passageway and second passageway including the valve body that has a plurality of holding tanks on the valve body, a plurality of holding tanks and the second passageway of first passageway, valve body communicate in proper order, every holding tank upper portion can be dismantled and be provided with sealed unit, the sealed unit lower part with the connection can be dismantled to the valve body, sealed unit upper portion can be dismantled and be provided with the execution unit, every group execution unit and sealed unit all form the chamber that holds the case with the valve body.

Further, the holding tank is provided with two on the valve body.

Further, the sealing unit comprises a filler, a filler pressing sleeve and a pressing plate, the filler is sleeved in the accommodating groove, the filler pressing sleeve is arranged on the upper portion of the filler in a pressing mode, and the pressing plate is buckled on the upper portion of the filler pressing sleeve and detachably connected with the valve body through a standard component.

Further, the execution unit is a manual execution unit or an electric execution unit.

Further, manual execution unit includes first valve gap, first valve-stem nut, first thrust bearing, first brake hoop and hand wheel, first brake hoop and first thrust bearing overlap the setting from top to bottom in proper order and are in the first valve-stem nut lower extreme outside, first valve gap upper end cover is established the first brake hoop and the first thrust bearing outside, first brake hoop with the spacing joint of first valve gap internal surface, the hand wheel through keeping off ring demountable installation in first valve-stem nut upper end, first valve gap lower part cover is established the sealed unit outside, first valve gap lower extreme with the valve body joint.

Further, electronic execution unit includes second valve gap, second valve stem nut, second thrust bearing, second brake collar and second thrust bearing from top to bottom overlap the setting in proper order and are in the second valve stem nut lower extreme outside, the second valve gap upper end cover is established the second brake collar and the second thrust bearing outside, the second brake collar with the spacing joint of second valve gap internal surface, the second valve gap upper portion is provided with the bolt hole that is used for fixed actuator, the second valve gap lower part cover sets up the sealed unit outside, the second valve gap lower extreme with the valve body joint.

The technical scheme for solving the technical problems is as follows: a modular combination valve includes a first functional spool, a second functional spool, and a modular combination valve pedestal.

Further, the first function valve core and the second function valve core are both stop valve cores.

Further, the first function valve core is a stop valve core, and the second function valve core is a regulating valve core.

Further, the first function valve core is a stop valve core, and the second function valve core is a throttle valve core.

Further, the first function valve core is a stop valve core, and the second function valve core is a check valve.

The invention provides a modular combined valve pedestal, which comprises a valve body with a plurality of accommodating grooves, wherein a first channel and a second channel are arranged on the valve body, the first channel, the accommodating grooves of the valve body and the second channel are sequentially communicated, a sealing unit is detachably arranged at the upper part of each accommodating groove, the lower part of the sealing unit is detachably connected with the valve body, an execution unit is detachably arranged at the upper part of the sealing unit, and each set of the execution unit and the sealing unit and the valve body form an accommodating cavity for accommodating a valve core. Therefore, because the execution unit, the sealing unit and the valve body form an accommodating cavity for accommodating the valve core at the accommodating groove position, and the corresponding valve core can be arranged in the accommodating cavity according to actual requirements, because a plurality of accommodating cavities are formed on the valve body, different valve core types can be placed to adapt to working environments, if only one valve core is needed to meet the requirement, other accommodating cavities can also be used for placing the valve core of the type to serve as a standby valve; and when the type of the valve needs to be replaced, only the corresponding valve core needs to be disassembled and replaced. Compared with the prior art, the method has the advantages that: through modular design, corresponding combined functions can be realized by a simple method of replacing the inner valve core after the valve body is welded, space is reserved for system optimization and upgrading, system optimization and upgrading cost is reduced, the modular structure is easy to maintain, maintenance time is effectively shortened, maintenance cost is saved, inventory can be reduced, and production and management cost is reduced.

The invention provides a modular combination valve which comprises a first function valve core, a second function valve core and a modular combination valve base frame. Through modular design, corresponding combined functions can be realized by a simple method of replacing the inner valve core after the valve body is welded, space is reserved for system optimization and upgrading, system optimization and upgrading cost is reduced, the modular structure is easy to maintain, maintenance time is effectively shortened, maintenance cost is saved, inventory can be reduced, and production and management cost is reduced.

Drawings

FIG. 1 is a schematic view of a valve body of a modular combination valve pedestal according to the present invention;

FIG. 2 is a schematic structural diagram of a base frame sealing unit of a modular combination valve according to the present invention;

FIG. 3 is a schematic diagram of a manual actuating unit of a modular assembly valve pedestal according to the present invention;

FIG. 4 is a schematic diagram of an electric actuator unit of a modular assembly valve pedestal according to the present invention;

FIG. 5 is a schematic view of an embodiment 1 of a modular combination valve of the present invention;

FIG. 6 is a schematic view of an embodiment 2 of a modular combination valve of the present invention;

FIG. 7 is a schematic view of an embodiment 3 of a modular combination valve of the present invention;

fig. 8 is a schematic view of an embodiment 4 of the modular combination valve of the present invention. .

In the drawings, the components represented by the respective reference numerals are listed below:

1. valve body, 101, first passageway, 102, second passageway, 103, holding tank, 2, sealing unit, 201, packing, 202, packing pressure cover, 203, clamp plate, 3, manual execution unit, 301, first valve gap, 302, first valve rod nut, 303, first thrust bearing, 304, first brake hoop, 305, hand wheel, 4, electronic execution unit, 401, second valve gap, 402, second valve rod nut, 403, second thrust bearing, 404, second brake hoop.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "center", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the invention provides a modular combined valve pedestal, which includes a valve body 1 having a plurality of receiving grooves 103, wherein a first channel 101 and a second channel 102 are arranged on the valve body 1, the first channel 101, the plurality of receiving grooves 103 of the valve body 1 and the second channel 102 are sequentially communicated, a sealing unit 2 is detachably arranged on the upper portion of each receiving groove 103, the lower portion of the sealing unit 2 is detachably connected with the valve body 1, an execution unit is detachably arranged on the upper portion of the sealing unit 2, and each set of the execution unit and the sealing unit 2 and the valve body 1 form a receiving cavity for receiving a valve element. Therefore, because the execution unit, the sealing unit 2 and the valve body 1 form an accommodating cavity for accommodating the valve core at the position of the accommodating groove 103, and the accommodating cavity can be provided with the corresponding valve core according to actual requirements, because a plurality of accommodating cavities are formed on the valve body 1, different types of valve cores can be placed to adapt to working environments, and if the requirement can be met only by one valve core, the other accommodating cavities can also be used for placing the valve core of the type to serve as a standby valve; and when the type of the valve needs to be replaced, only the corresponding valve core needs to be disassembled and replaced. Compared with the prior art, the method has the advantages that: through modular design, can change the inside case at will after the welding accomplishes valve body 1 and just can realize corresponding combined function, can reduce the stock, reduction production and administrative cost, modular structure is easily maintained, the effectual maintenance time that shortens.

The modular combined valve pedestal of the invention, as shown in fig. 1-4, can also be based on the technical solutions described above: the accommodating groove 103 is arranged on the valve body 1 in two numbers. At present, in a power station boiler system and a steam turbine system, two functions coexist under a common condition to basically meet all working application environments, excessive valve core accommodating cavities are not needed, and the manufacturing cost and the research and development cost are saved.

The modular combined valve pedestal of the invention, as shown in fig. 1-4, can also be based on the technical solutions described above: the sealing unit 2 comprises a filler 201, a filler pressing sleeve 202 and a pressing plate 203, the filler 201 is sleeved in the accommodating groove 103, the filler pressing sleeve 202 is arranged on the upper portion of the filler 201 in a pressing mode, and the pressing plate 203 is buckled on the upper portion of the filler pressing sleeve 202 and detachably connected with the valve body 1 through a standard component. The packing 201 is arranged in the accommodating groove 103, the packing is sleeved on the outer side surface of the valve core, a certain sealing effect can be achieved, after the pressing plate 203 is fixed on the valve body 1, the position of the packing pressing sleeve 202 is limited by the pressing plate 203, the packing pressing sleeve 202 presses the packing 201, and the sealing performance of the position of the packing 201 is guaranteed.

The modular combined valve pedestal of the invention, as shown in fig. 1-4, can also be based on the technical solutions described above: the execution unit is a manual execution unit 3 or an electric execution unit 4. The points to be explained here are: under certain use requirements, each valve body 1 can be provided with a manual execution unit 3 and an electric execution unit 4, and the selection of the execution units can be determined according to actual requirements.

The modular combined valve pedestal of the invention, as shown in fig. 1-4, can also be based on the technical solutions described above: manual execution unit 3 includes first valve gap 301, first valve-stem nut 302, first thrust bearing 303, first brake hoop 304 and hand wheel 305, first brake hoop 304 and first thrust bearing 303 overlap the setting from top to bottom in proper order in the first valve-stem nut 302 lower extreme outside, first valve gap 301 upper end cover is established first brake hoop 304 and the first thrust bearing 303 outside, first brake hoop 304 with the spacing joint of first valve gap 301 internal surface, hand wheel 305 is through keeping off ring demountable installation in first valve-stem nut 302 upper end, first valve gap 301 lower pot is established the 2 outsides of sealing unit, first valve gap 301 lower extreme with 1 joint of valve body.

The further preferred technical scheme is as follows: electronic execution unit 4 includes second valve gap 401, second valve stem nut 402, second thrust bearing 403, second brake collar 404 and second thrust bearing 403 overlap the setting from top to bottom in proper order and are in the outside of second valve stem nut 402 lower extreme, second valve gap 401 upper end cover is established the second brake collar 404 and the outside of second thrust bearing 403, second brake collar 404 with the spacing joint of second valve gap 401 internal surface, second valve gap 401 upper portion is provided with the bolt hole that is used for fixed actuator, second valve gap 401 lower part cover is established the 2 outsides of sealing unit, second valve gap 401 lower extreme with 1 joint of valve body.

Example 1

The manual stop valve is matched with the electric stop valve:

as shown in fig. 5, two communicating receiving grooves 103 are arranged on the valve body 1, the first channel 101 is communicated with the bottom of one receiving groove 103, the second channel 102 is communicated with the side wall of the other receiving groove 103, the receiving groove 103 on the valve body 1 is sleeved outside the packing 201, the packing pressing sleeve 202 is arranged at the upper end of the packing 201 in a pressing way, the pressing plate 203 is arranged at the upper part of the packing pressing sleeve 202 in a buckling way, the pressing plate 203 is detachably arranged on the valve body 1 through bolts, the stop valve core is arranged at the central positions of the pressing plate 203, the packing pressing sleeve 202 and the packing 201 in a penetrating way, the stop valve core comprises a valve seat, a pressing sleeve, a valve rod and a key, the valve seat is arranged at the bottom of the receiving groove 103, the pressing sleeve is sleeved outside the lower end of the valve rod, the valve rod is connected with the pressing sleeve in a sliding way, evenly distributed holes are arranged on the pressing sleeve, the first valve cover 301 of the manual execution unit 3 is clamped on the valve body 1, the key is embedded on the side surface of the middle upper part of the valve rod, the key is in sliding fit with the first valve cover 301, and when the hand wheel 305 is rotated, the opening and closing control of the valve rod on the channel is realized. The valve core of the stop valve controlled by the electric execution unit 4 is assembled in the other accommodating groove 103, and the application is not repeated. Thereby forming a ready-to-use switch valve.

Example 2

The manual stop valve is matched with the electric throttle valve:

as shown in fig. 6, the manual shutoff valve is installed in the same manner as in embodiment 1, in another receiving groove 103, the receiving groove 103 is sleeved outside the packing 201, the packing pressing sleeve 202 is press-fitted on the upper end of the packing 201, the pressing plate 203 is fastened on the upper portion of the packing pressing sleeve 202, the pressing plate 203 is detachably mounted on the valve body 1 through a bolt, the throttle valve core is inserted into the center positions of the pressing plate 203, the packing pressing sleeve 202 and the packing 201, the throttle valve core includes a valve seat, a pressing sleeve, a key and a valve rod with a conical bottom, the valve seat is disposed at the bottom of the receiving groove 103, the valve rod is slidably connected with the pressing sleeve, the pressing sleeve is provided with uniformly distributed holes, the holes are communicated with through holes (through holes communicated with the second channel 102) on the side wall of the receiving groove 103, the upper end of the valve rod is in threaded connection with a second valve rod nut 402, the key is embedded on the side surface of the middle upper part of the valve rod and is in sliding fit with the second valve cover 401, so that the opening and closing degree of the channel is controlled by controlling the up-and-down movement of the valve rod. The valve which can control the switch and realize the throttling is formed.

Example 3

The manual stop valve is matched with the electric regulating valve

As shown in fig. 7, the manual stop valve is installed in the same manner as in embodiment 1, in another receiving groove 103, the receiving groove 103 is sleeved outside the packing 201, the packing pressing sleeve 202 is press-fitted on the upper end of the packing 201, the pressing plate 203 is fastened on the upper portion of the packing pressing sleeve 202, the pressing plate 203 is detachably mounted on the valve body 1 through bolts, the regulating valve core is inserted through the central positions of the pressing plate 203, the packing pressing sleeve 202 and the packing 201, the regulating valve core comprises a valve seat, a pressing sleeve, a key and a valve rod, the valve seat and the pressing sleeve are both provided with uniformly distributed holes, the valve seat is arranged at the bottom of the receiving groove 103, the pressing sleeve is sleeved on the lower end of the valve rod and fixedly connected with the valve seat, the through hole (through hole communicated with the second channel 102) on the side wall of the hole receiving groove 103 on the pressing sleeve, the upper end of the valve rod is in threaded transmission connection, the key is embedded on the side surface of the middle upper part of the valve rod and is in sliding fit with the second valve cover 401, so that the flow control of the channel by controlling the up-and-down movement of the valve rod is realized, and the adjusting function is realized. The valve which can be controlled to open or close and can be adjusted is formed.

Example 4

The manual stop valve is matched with the check valve:

as shown in fig. 8, the manual shutoff valve is installed in the same manner as in embodiment 1, in another accommodating groove 103, the accommodating groove 103 is sleeved outside the packing 201, the packing pressing sleeve 202 is press-fitted on the upper end of the packing 201, the pressing plate 203 is fastened on the upper portion of the packing pressing sleeve 202, the pressing plate 203 is detachably installed on the valve body 1 through a bolt, the check valve core is arranged at the central positions of the pressing plate 203, the packing pressing sleeve 202 and the packing 201 in a penetrating manner, the check valve core includes a valve flap and a core rod, the valve flap is arranged at the lower end of the valve rod through a spring, the valve flap is plugged at the bottom of the accommodating groove. The valve which can control the switch and can prevent the medium from flowing back is formed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A modular combination valve pedestal characterized in that: including valve body (1) that has a plurality of holding tanks (103), be provided with first passageway (101) and second passageway (102) on valve body (1), a plurality of holding tanks (103) and second passageway (102) of first passageway (101), valve body (1) communicate in proper order, every holding tank (103) upper portion can be dismantled and be provided with sealed unit (2), sealed unit (2) lower part with valve body (1) can be dismantled and be connected, sealed unit (2) upper portion can be dismantled and be provided with the execution unit, every group execution unit and sealed unit (2) all form with valve body (1) and hold the chamber that holds the case.

2. The modular valve pedestal of claim 1, wherein: the valve body (1) is provided with two upper accommodating grooves (103).

3. The modular valve pedestal of claim 2, wherein: the sealing unit (2) comprises a filler (201), a filler pressing sleeve (202) and a pressing plate (203), the filler (201) is sleeved in the accommodating groove (103), the filler pressing sleeve (202) is arranged on the upper portion of the filler (201) in a pressing mode, and the pressing plate (203) is buckled on the upper portion of the filler pressing sleeve (202) and detachably connected with the valve body (1) through a standard component.

4. The modular valve pedestal of claim 2, wherein: the execution unit is a manual execution unit (3) or an electric execution unit (4).

5. The modular valve pedestal of claim 4, wherein: manual execution unit (3) include first valve gap (301), first valve-stem nut (302), first thrust bearing (303), first brake collar (304) and hand wheel (305), first brake collar (304) and first thrust bearing (303) from top to bottom overlap in proper order and set up first valve-stem nut (302) lower extreme outside, first valve gap (301) upper end cover is established first brake collar (304) and first thrust bearing (303) outside, first brake collar (304) with the spacing joint of first valve gap (301) internal surface, hand wheel (305) through keeping off ring demountable installation first valve-stem nut (302) upper end, first valve gap (301) lower part cover is set up the sealing unit (2) outside, first valve gap (301) lower extreme with valve body (1) joint.

6. The modular valve pedestal of claim 4, wherein: electronic execution unit (4) include second valve gap (401), second valve stem nut (402), second thrust bearing (403) and second braking circle (404), second braking circle (404) and second thrust bearing (403) from top to bottom overlap the setting in proper order and are in the second valve stem nut (402) lower extreme outside, second valve gap (401) upper end cover is established second braking circle (404) and second thrust bearing (403) outside, second braking circle (404) with the spacing joint of second valve gap (401) internal surface, second valve gap (401) upper portion is provided with the bolt hole that is used for fixed executor, second valve gap (401) lower pot head is set up sealing unit (2) the outside, second valve gap (401) lower extreme with valve body (1) joint.

7. A modular combination valve characterized in that: comprising a first functional spool, a second functional spool and the modular combination valve pedestal of any of claims 2-6.

8. The modular combination valve as claimed in claim 7, wherein: and the first functional valve core and the second functional valve core are both stop valve cores.

9. The modular combination valve as claimed in claim 7, wherein: the first function valve core is a stop valve core, and the second function valve core is a regulating valve core.

10. The modular combination valve as claimed in claim 7, wherein: the first function valve core is a stop valve core, and the second function valve core is a throttle valve core.