CN215721098U - Heat preservation regulating valve - Google Patents
Heat preservation regulating valve Download PDFInfo
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- CN215721098U CN215721098U CN202121516511.0U CN202121516511U CN215721098U CN 215721098 U CN215721098 U CN 215721098U CN 202121516511 U CN202121516511 U CN 202121516511U CN 215721098 U CN215721098 U CN 215721098U
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Abstract
The utility model discloses a heat preservation regulating valve which comprises a valve body and an upper valve cover arranged at the upper end of the valve body, wherein a first heat preservation cavity formed by sealing a first end plate is arranged outside the valve body; a first heat preservation flange is arranged on the first end plate corresponding to the front end of the valve body, and a second heat preservation flange is arranged on the first end plate corresponding to the rear end of the valve body; a second heat preservation cavity formed by sealing a second end plate is arranged outside the upper valve cover, a third heat preservation flange is arranged on the second end plate corresponding to the front end of the upper valve cover, and a fourth heat preservation flange is arranged on the second end plate corresponding to the rear end of the upper valve cover; the second heat-preservation flange is communicated with the fourth heat-preservation flange through a pipeline. The heat preservation cavities are formed outside the valve body and the upper valve cover, so that heat preservation media can be conveniently input into the two heat preservation cavities, heat preservation treatment can be carried out on the valve body and the upper valve cover, and the phenomenon that the crystallization temperature of the process media is lower than the ambient temperature or the temperature of fluid is reduced to cause viscosity increase or the fluid is solidified is avoided, so that the process media meet the requirement of process control.
Description
Technical Field
The utility model belongs to the technical field of valve bodies, and particularly relates to a heat-preservation regulating valve.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like.
The regulating valve is also called a control valve, and in the field of industrial automation process control, the final control element is used for receiving a control signal output by a regulating control unit and changing process parameters such as medium flow, pressure, temperature, liquid level and the like by means of power operation. Generally consisting of an actuator and a valve. If according to the stroke characteristic, the regulating valve can be divided into a straight stroke and an angular stroke; the pneumatic regulating valve, the electric regulating valve and the hydraulic regulating valve can be divided into three types according to the power used by the matched executing mechanism; the method is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to functions and characteristics of the method. The regulating valve is suitable for air, water, steam, various corrosive media, slurry, oil and other media. The name of English: control valve, position number usually begins with FV. The common classification of regulating valves: pneumatic regulating valve, electric regulating valve, hydraulic regulating valve and self-operated regulating valve.
The heat preservation valve adopts good heat preservation measures for a large number of valves in industrial production, so that not only can a good energy-saving effect be obtained, but also the safety and reliability of the valve can be improved, and the service life of the valve is prolonged.
When the crystallization temperature of the process medium is lower than the ambient temperature or the temperature of the fluid is reduced, so that the viscosity is increased or the fluid is solidified, the conventional common regulating valve cannot meet the heat preservation function, and therefore, a heat preservation regulating valve is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat preservation regulating valve to solve the problems in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a heat preservation regulating valve comprises a valve body and an upper valve cover arranged at the upper end of the valve body, wherein a first heat preservation cavity formed by sealing a first end plate is arranged outside the valve body; a first heat preservation flange is arranged on the first end plate corresponding to the front end of the valve body, and a second heat preservation flange is arranged on the first end plate corresponding to the rear end of the valve body, so that the first heat preservation flange and the second heat preservation flange are used as circulation channels for heat preservation media to enter and exit the first heat preservation cavity; a second heat preservation cavity formed by sealing a second end plate is arranged outside the upper valve cover, a third heat preservation flange is arranged on the second end plate corresponding to the front end of the upper valve cover, and a fourth heat preservation flange is arranged on the second end plate corresponding to the rear end of the upper valve cover, so that the third heat preservation flange and the fourth heat preservation flange are used as circulation channels for heat preservation media to enter and exit the second heat preservation cavity; and the second heat-insulation flange is communicated with the fourth heat-insulation flange through a pipeline.
It is further preferred that the upper bonnet and the valve body are connected by a plurality of bolts, and all the bolts are uniformly distributed on the upper bonnet.
It is further preferred that the first and second end panels are made of an insulating material.
Still further preferably, the thermal insulation regulating valve further comprises a valve rod, the valve rod is installed in the upper valve cover and extends into the valve body, and a sealing filler located outside the valve rod is arranged in the upper valve cover.
It is further preferred that the first end plate is disposed outside the valve body by welding.
It is further preferred that the second end plate is disposed outside the upper bonnet by welding.
Still more preferably, the lower end of the first heat-preserving chamber is provided with a through hole, and a plug is arranged outside the through hole.
Has the advantages that: the utility model meets all functions of the common regulating valve and is also suitable for occasions needing heat preservation. When the crystallization temperature of the process medium in the heat-preservation regulating valve is lower than the ambient temperature or the temperature of the fluid is reduced, so that the viscosity is increased or the fluid is solidified, the first end plate and the second end plate which are used as steam heat-preservation devices are additionally arranged at the valve body and the upper valve cover, heat-preservation cavities are formed outside the valve body and the upper valve cover, so that the heat-preservation medium can be conveniently input into the two heat-preservation cavities, the heat-preservation treatment can be carried out on the valve body and the upper valve cover, and the process medium can meet the requirement of process control.
Drawings
Fig. 1 is a schematic structural view of the thermal insulation regulating valve of the present invention in a partial sectional view.
In the figure: 1-a valve body; 2-upper valve cover; 3-a first end plate; 4-a first heat preservation cavity; 5-a first heat-insulating flange; 6-a second end plate; 7-a second heat preservation cavity; 8-a third heat-preserving flange; 9-a fourth heat-insulating flange; 10-a valve stem; 11-plug; 12-a second insulating flange; 13-bolt.
Detailed Description
Example (b):
as shown in fig. 1, the embodiment provides a heat preservation regulating valve, which includes a valve body 1 and an upper valve cover 2 installed at the upper end of the valve body 1, wherein a first heat preservation cavity 4 formed by sealing a first end plate 3 is arranged outside the valve body 1, and when the crystallization temperature of a process medium in the valve body 1 is lower than the ambient temperature or the temperature of a fluid is reduced, so that the viscosity is increased or the fluid is solidified, a steam heat preservation device is additionally arranged in the first heat preservation cavity 4, so that the process medium meets the requirement of process control; a first heat-preservation flange 5 is arranged on the first end plate 3 corresponding to the front end of the valve body 1, a second heat-preservation flange 12 is arranged on the first end plate 3 corresponding to the rear end of the valve body 1, so that the first heat-insulating flange 5 and the second heat-insulating flange 12 are used as a circulation passage for heat-insulating medium to enter and exit the first heat-insulating cavity 4, so that the heat preservation medium can form a channel which can flow, and the use requirement at any time can be met, it should be noted that the first heat preservation flange 5 and the second heat preservation flange 12, one is positioned at the lower part of the valve body 1, and the other is positioned at the upper part of the valve body 1, so as to meet the flow when the first heat preservation cavity 4 is filled with the heat preservation medium, meanwhile, the first heat-preservation cavity 4 can be filled with a power-assisted heat-preservation medium, for example, a power device is arranged outside the communication of the first heat-preservation flange 5 and/or the second heat-preservation flange 12, so that the heat-preservation medium can be accelerated to circulate in a circulation channel communicated with the first heat-preservation flange 5 and the second heat-preservation flange 12; a second heat preservation cavity 7 formed by sealing a second end plate 6 is arranged outside the upper valve cover 2, and when the crystallization temperature of the process medium in the upper valve cover 2 is lower than the environmental temperature or the temperature of the fluid is reduced to cause viscosity increase or the fluid is solidified, a steam heat preservation device is additionally arranged in the second heat preservation cavity 7 to enable the process medium to meet the requirement of process control; a third heat preservation flange 8 is arranged on a second end plate 6 corresponding to the front end of the upper valve cover 2, a fourth heat preservation flange 9 is arranged on a second end plate 6 corresponding to the rear end of the upper valve cover 2, so that the third heat preservation flange 8 and the fourth heat preservation flange 9 can be used as a circulation channel for heat preservation media to enter and exit the second heat preservation cavity 7, it should be noted that the third heat preservation flange 8 and the fourth heat preservation flange 9, one is arranged at the lower part of the upper valve cover 2, and the other is arranged at the upper part of the upper valve cover 2, so as to meet the circulation when the heat preservation media fill the second heat preservation cavity 7, and meanwhile, the second heat preservation cavity 7 can also be filled with the assisting heat preservation media, for example, a power device is arranged outside the communication of the third heat preservation flange 8 and/or the fourth heat preservation flange 9, so as to accelerate heat preservation explanation of circulation in the circulation channel communicated with the third heat preservation flange 8 and the fourth heat preservation flange 9; the second heat preservation flange 12 and the fourth heat preservation flange 9 are communicated through a pipeline, so that the first heat preservation cavity 4 and the second heat preservation cavity 7 form a communicated circulation channel, the two heat preservation cavities can be ensured to be filled with heat preservation media gradually as long as the heat preservation media are introduced into the first heat preservation cavity 4 or the second heat preservation cavity 7, and the heat preservation of process media in the heat preservation regulating valve is met.
The utility model meets all functions of the common regulating valve and is also suitable for occasions needing heat preservation. When the crystallization temperature of the process medium in the heat-preservation regulating valve is lower than the ambient temperature or the temperature of the fluid is reduced, so that the viscosity is increased or the fluid is solidified, the first end plate and the second end plate which are used as steam heat-preservation devices are additionally arranged at the valve body and the upper valve cover, heat-preservation cavities are formed outside the valve body and the upper valve cover, so that the heat-preservation medium can be conveniently input into the two heat-preservation cavities, the heat-preservation treatment can be carried out on the valve body and the upper valve cover, and the process medium can meet the requirement of process control.
As a preferred technical solution, in this embodiment, it should be further described that the upper bonnet 2 and the valve body 1 are connected by a plurality of bolts 13, and all the bolts 13 are uniformly distributed on the upper bonnet 2. Go up valve gap 2 and valve body 1 and be connected through a plurality of bolts 13, can be so that the connection of going up valve gap 2 and valve body 1 is stable, and intensity is high, and the even distribution of bolt 13 simultaneously is on going up valve gap 2, and the atress is even when can be so connecting between going up valve gap 2 and the valve body 1
As a preferable technical solution, in this embodiment, it should be further described that the first end plate 3 and the second end plate 6 are both made of a heat insulating material, so that the heat insulating effect is good, and the temperature of a heat insulating medium can be maximally ensured, thereby ensuring the heat insulating effect on the working medium in the upper valve cover 2 and the valve body 1.
As a preferable technical solution, in this embodiment, it should be further described that the thermal insulation regulating valve further includes a valve rod 10, the valve rod 10 is installed in the upper bonnet (2) and extends into the valve body (1), and a sealing packing located outside the valve rod 10 is disposed in the upper bonnet (2). The sealing between the upper valve cover (2) and the valve rod 10 is enhanced through the filling material, so that the working medium can be effectively prevented from escaping, and the environmental pollution and the personal harm are avoided.
As a preferable technical solution, in this embodiment, it should be further described that the first end plate 3 is disposed outside the valve body 1 in a welded manner, so as to ensure the hiccup sealing effect between the first end plate 3 and the valve body 1.
As a preferable technical solution, in this embodiment, it should be further described that the second end plate 6 is disposed outside the upper valve cap 2 in a welded manner, so as to ensure the hiccup sealing effect between the second end plate 6 and the upper valve cap 2.
As a preferable technical solution, in this embodiment, it should be further described that a through hole is provided at a lower end of the first heat-preserving chamber 4, and a plug 11 is provided outside the through hole. The plug on the first heat preservation chamber 4 can be used for placing the heat preservation medium inside completely, the heat preservation regulating valve is convenient to overhaul, and if the pressure of the heat preservation chamber is too large, the pressure can be reduced by using the plug for temporary treatment.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A heat preservation regulating valve comprises a valve body (1) and an upper valve cover (2) arranged at the upper end of the valve body (1), and is characterized in that a first heat preservation cavity (4) formed by sealing a first end plate (3) is arranged outside the valve body (1); a first heat-insulation flange (5) is arranged on the first end plate (3) corresponding to the front end of the valve body (1), and a second heat-insulation flange (12) is arranged on the first end plate (3) corresponding to the rear end of the valve body (1) so that the first heat-insulation flange (5) and the second heat-insulation flange (12) can be used as a circulation passage for heat-insulation media to enter and exit the first heat-insulation cavity (4); a second heat preservation cavity (7) formed by sealing a second end plate (6) is arranged outside the upper valve cover (2), a third heat preservation flange (8) is arranged on the second end plate (6) corresponding to the front end of the upper valve cover (2), and a fourth heat preservation flange (9) is arranged on the second end plate (6) corresponding to the rear end of the upper valve cover (2) so that the third heat preservation flange (8) and the fourth heat preservation flange (9) can be used as a circulation channel for heat preservation media to enter and exit the second heat preservation cavity (7); the second heat-insulation flange (12) is communicated with the fourth heat-insulation flange (9) through a pipeline.
2. A thermal regulating valve according to claim 1, characterized in that the upper valve cover (2) and the valve body (1) are connected by a plurality of bolts (13), all the bolts (13) being evenly distributed on the upper valve cover (2).
3. Thermal regulating valve according to claim 1, characterized in that said first (3) and second (6) end plates are made of a thermal insulating material.
4. The thermal insulation regulating valve according to claim 1, characterized in that the thermal insulation regulating valve further comprises a valve rod (10), the valve rod (10) is installed in the upper valve cover (2) and extends into the valve body (1), and a sealing filler positioned outside the valve rod (10) is arranged in the upper valve cover (2).
5. A thermo-insulating regulating valve according to claim 1, characterised in that the first end plate (3) is arranged outside the valve body (1) by means of welding.
6. A thermal regulating valve according to claim 1, characterized in that the second end plate (6) is arranged outside the upper valve cover (2) by means of welding.
7. A heat-preservation regulating valve according to claim 1, characterized in that the lower end of the first heat-preservation cavity (4) is provided with a through hole, and a plug (11) is arranged outside the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516511.0U CN215721098U (en) | 2021-07-05 | 2021-07-05 | Heat preservation regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516511.0U CN215721098U (en) | 2021-07-05 | 2021-07-05 | Heat preservation regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215721098U true CN215721098U (en) | 2022-02-01 |
Family
ID=80047206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121516511.0U Active CN215721098U (en) | 2021-07-05 | 2021-07-05 | Heat preservation regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215721098U (en) |
-
2021
- 2021-07-05 CN CN202121516511.0U patent/CN215721098U/en active Active
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