CN210003799U

CN210003799U - Tank top device

Info

Publication number: CN210003799U
Application number: CN201920378235.2U
Authority: CN
Inventors: 黄粤宁; 郑伟
Original assignee: Ningbo Lehui International Engineering Equipment Co Ltd
Current assignee: Ningbo Lehui International Engineering Equipment Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-01-31
Anticipated expiration: 2029-03-22

Abstract

The utility model discloses an kind of tank deck device, including tank deck plate, install valve on tank deck plate to and the electrical heating rod, this electrical heating rod sets up in the position department that is close to valve , can heat valve , and this electrical heating rod is connected with the power supply unit electricity the utility model provides a tank deck device, through setting up the position that is close to valve with the heating rod to the realization is to valve 's direct heating, when preventing that valve from freezing, has improved the efficiency utilization ratio, has reduced the energy waste, in addition, because medium temperature that the internal storage of jar such as fermentation cylinder put is lower as usual, through the local heating of heating rod to valve position, can effectively reduce the harmful effects of tank deck device's temperature to the jar medium.

Description

Tank top device

Technical Field

The utility model relates to a pressure vessel field, in particular to kinds of tank deck devices.

Background

When the pressure vessel equipment such as a fermentation tank, a storage tank and the like is used, in order to ensure safe operation under the designed pressure and vacuum degree, a tank top device comprising a safety valve and a vacuum valve is arranged on the tank top in mode to prevent safety accidents from happening, the working principle of the pressure vessel equipment is that when the pressure rises to exceed the set opening pressure of the safety valve, a valve is opened to exhaust outwards to protect the tank from safety accidents caused by overhigh pressure, when the pressure drops to generate negative pressure, the vacuum valve is opened to intake air into the tank to prevent vacuum suction and hold in the tank, and then when the pressure vessel equipment such as the fermentation tank, the storage tank and the like is in a low-temperature environment (for example, in a region with low temperature in winter), the safety valve and the vacuum valve can not be opened due to icing, so that the pressure in the tank can not be discharged, and further the pressure vessel equipment such as the fermentation tank.

The current scheme is that heating blocks are installed on the tank deck lid, and this heating block at first heats the tank deck lid, and then safety valve and the vacuum valve of installation on the tank deck lid are arrived in the heat transfer of rethread heating deck to prevent the emergence of the condition that safety valve and vacuum valve can't open because of freezing, but this kind of anti-icing tank deck device heat energy loss is great, and the energy waste is more serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an kind of tank deck devices to the tank deck device heat energy loss who solves among the prior art anti-icing is great, the extravagant more serious problem of the energy.

In order to solve the technical problem, the utility model discloses an embodiment discloses kinds of tank deck devices, including tank deck board, valve , valve are installed tank deck board is last to and the electrical heating stick, the electrical heating stick setting is in the position department that is close to valve , can heat valve , and the electrical heating stick is connected with the power supply unit electricity.

Optionally, an electrically heated rod is secured to the can top closure panel at the edge of the junction of valve with the can top closure panel.

Optionally, the number of electrically heated rods is two.

Optionally, two electrically heated rods are evenly arranged along the joining edge of valve with the can top closure.

Optionally, the power supply means comprises a thermostat controller capable of turning on or off the power supply to the electrical heating rod.

Optionally, valve includes a relief valve.

Optionally, valve also includes a vacuum valve.

Optionally, valve is a weighted valve .

Optionally, the tank top cover further comprises a cleaning device, and the cleaning device is mounted on the tank top cover plate.

Optionally, the heat insulation structure further comprises a protective cover, the protective cover is located above the tank top cover plate and forms a closed space with the tank top cover plate, and the protective cover is provided with a heat insulation layer.

The utility model provides a tank deck device is through setting up the heating rod in the position that is close to valve to the realization is to the direct heating of valve , when preventing that valve from freezing, has improved the efficiency utilization ratio, has reduced the energy waste, in addition, because medium temperature of internal storage of jar such as fermentation cylinder is lower as usual, through the local heating of heating rod to valve position, can effectively reduce the harmful effects of tank deck device's temperature to jar interior medium.

In order to make the aforementioned and other objects of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The accompanying drawings, which form a part of the specification , are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention properly, in which:

fig. 1 is a schematic view of a tank top device according to an embodiment of the present invention .

Reference numerals:

a tank top device 10;

a tank top lid plate 11; an electrical heating rod 12; a thermostat controller 13; a safety valve 14; a vacuum valve 15; and a cleaning device 16.

Detailed Description

In order to provide a thorough understanding of the present invention, the following description may contain many specific details.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following figures, and thus once a item is defined in figures, it need not be further defined and explained by in subsequent figures.

The use of "," "second," and similar terms in the present invention do not denote any order, quantity, or importance, but rather are used to distinguish one element from another, and similar terms such as "," "," and the like do not denote a limitation of quantity, but rather denote the presence of at least similar terms such as "disposed," "connected," and "connected," which are understood as being , e.g., fixedly connected, removably connected, or physically connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, connected between two elements, for a person of ordinary skill in the art, specifically the terms used in the present embodiment have the meanings indicated "upper," "lower," "left," "right," "inner," "bottom," and the like, and the terms used herein have the meanings indicated for convenience, simply by the orientation of the device or by the drawing, or by the positional relationship of the invention, and are not meant to be interpreted as a limitation of the orientation of the invention, or by the use of the orientation of the invention.

To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in detail in with reference to the accompanying drawings.

Referring to fig. 1, the present invention provides types of can top devices 10, including a can top closure panel 11, a valve mounted on the can top closure panel 11, and an electrical heating rod 12.

Specifically, in the embodiment of the present invention, the electrical heater rod 12 is disposed at a position close to the valve , which can heat the valve , and the electrical heater rod 12 is electrically connected to the power supply, because the electrical heater rod 12 is disposed at a position close to the valve , the heat can be rapidly and effectively transferred to the valve , which improves the heat utilization rate while effectively preventing the valve from freezing, and the shorter heat transfer path can reduce the energy waste, in addition, because the electrical heater rod 12 is disposed at a position close to the valve , the heat can be transferred to the area near the valve , and the temperature of other areas of the tank top device 10 is not affected by the electrical heater rod 12, which can effectively reduce the adverse effect of the temperature of the tank top device on the medium inside the tank.

It should be noted that, in the specific implementation, a person skilled in the art can select a specific installation position of the electric heating rod according to actual needs, the electric heating rod may be disposed on the tank top cover plate close to the valve , or may be disposed on the valve cover plate close to the valve , as long as the heat of the electric heating rod can be rapidly and effectively transferred to the valve , so as to achieve the effect of preventing icing, and the specific installation position of the electric heating rod is not limited to the present invention.

More specifically, in the embodiment of the present invention, electrical heating rod 12 is fixed to the tank deck lid 11 and is located at the junction edge of valve and tank deck lid 11. electrical heating rod 12 is disposed at the junction edge of valve and tank deck lid 11, so that the heat of electrical heating rod 12 can be directly and effectively transferred to valve , and steps are taken to increase the heat utilization rate and reduce energy waste, for better increase of the heat utilization rate and reduction of energy waste, in the embodiment of the present invention, small power electrical heating rod 12 with a smaller size is used, for example, small power electrical heating rod 12 with a diameter of 6 mm and a length of 40 mm is used, which not only reduces energy waste, but also because of the smaller size, the position of easy and flexible selection of arrangement, it should be understood that the size and power of electrical heating rod 12 can be flexibly selected according to the size of valve , for smaller size valve , electric heating rod 12 with a smaller size and power can be selected, and for larger size of valve , the electrical heating rod 12 can be used for a more practical use of the present invention, and the size of the present invention can be implemented without limiting the heat utilization rate of the practical use of the present invention.

The utility model discloses an embodiment, the quantity of the electric heating rod 12 of setting in the position department that is close to valve is two, it should be noted that electric heating rod 12 can prevent that valve from freezing, nevertheless because the utility model discloses an embodiment is in order to improve heat utilization efficiency, reduce the energy extravagant, adopted the electric heating rod 12 of small-size low-power, therefore, if electric heating rod 12 arranges the quantity too little, can arouse the emergence of the condition that the freezing of valve part position can not effectively melt, thereby cause the incident, consequently, set up two electric heating rod 12 can be when guaranteeing that valve is not frozen at all, again can better improvement heat utilization efficiency, reduce the energy extravagant, and the temperature influence in other regions of tank top device 10 can be reduced in the setting of two electric heating rod 12, reduce the harmful effects of tank top device 10's temperature to the tank top medium.

It should be noted that the number of electrical heating rods can be flexibly selected according to the size of the valve , even electrical heating rods can be provided for a very small size valve , but more electrical heating rods, such as three, four, five or more, can be arranged for a large size valve .

With continued reference to fig. 1, in the embodiment of the present invention, two electrical heating rods 12 are uniformly disposed along the joining edge of the valve with the can top cover plate 11. the uniform disposition of the electrical heating rods 12 allows the electrical heating rods 12 to achieve the same uniform heating effect on different areas of the valve , preventing the heat of the electrical heating rods 12 from being transferred to one areas of the valve in an excessively concentrated manner, and reducing the heating efficiency of the valve in other areas, and deteriorating the anti-icing effect.

Referring to fig. 1, in the embodiment of the present invention, the power supply device includes a thermostat controller 13, and the thermostat controller 13 can turn on or stop power supply to the electric heating rod 12, in order to further steps to reduce power consumption, by setting a start-stop temperature value to the thermostat controller 13, so that when the temperature at the valve is lower than a set minimum temperature, the thermostat controller 13 turns on power supply to the electric heating rod 12, and after heating for a period of time to the valve by the electric heating rod 12, so that the temperature of the valve reaches a set maximum temperature value, the thermostat controller 13 stops heating to the electric heating rod 12, and thus, the electric heating rod 12 starts to operate only when the temperature at the valve reaches a set temperature that may cause a risk of icing, thereby avoiding continuous operation of the electric heating rod 12, effectively reducing power consumption of the electric heating rod 12, and further, the thermostat controller 13 may further steps to reduce an influence of the temperature of the electric heating rod 12 on a non-valve area of the tank top device 10, thereby effectively reducing an influence of the temperature on the temperature of the tank top device 10 in a safety control method of the utility model, and ensuring that the safety of the utility model, and the safety control of the utility model, and the utility model.

It should be noted that the thermostatic controller can be directly connected with the electric heating rod, so as to directly control the opening or stopping of the electric heating, and the thermostatic controller can also be indirectly connected with the electric heating rod, for example, the electric heating rod is connected to the power supply, the power supply is connected with the thermostatic controller, the thermostatic controller indirectly controls the opening or stopping of the electric heating rod by controlling the opening or closing of the power supply, the utility model discloses do not limit the concrete connection mode of the thermostatic controller and the electric heating rod.

With continued reference to fig. 1, in the embodiment of the present invention, the valve includes a safety valve 14. the safety valve 14 is used to prevent the explosion accident caused by the over-high pressure in the tank, therefore, the safety valve 14 has a very high risk in the event of failure to open normally, i.e., the safety valve 14 is prevented from freezing by arranging the electric heating rod 12 at the safety valve 14, so that the safety valve 14 always works well and is the most basic safety requirement of the pressure vessel such as the fermentation tank.

, the valve further comprises a vacuum valve 15. the vacuum valve 15 is used to prevent the tank from being sucked due to the too low pressure in the tank, so it is necessary to arrange an electric heating rod 12 at the vacuum valve 15 to prevent the vacuum valve 15 from freezing, so that the vacuum valve 15 is always in a good working state to avoid safety accidents.

In the embodiment of the present invention , the valve is the weight valve . the weight valve opens or closes the valve through the weight arranged at the outer end of the valve rod by leverage, and the valve cannot be opened or closed when the pressure difference between the inside and the outside of the tank body reaches the preset value without external force, which is easy to cause an accident, therefore, the safety risk or accident caused by the fact that the weight valve cannot be opened due to freezing can be effectively prevented by arranging the electric heating rod 12 at the valve .

It should be noted that, in order to further reduce the safety risk or accident caused by the failure of the valve to open, a forced opening device, such as an air cylinder or a motor, may be provided for the valve , and when the valve cannot be normally opened or closed due to icing or other reasons, the valve may be controlled to open or close by the forced opening device, so as to avoid the occurrence of the safety accident.

With continued reference to fig. 1, in the embodiment of the present invention, the tank top assembly 10 further includes a cleaning device 16, the cleaning device 16 is installed on the tank top cover plate 11. the cleaning device 16 is used for cleaning the interior of the tank body to ensure the cleanness of the interior of the tank body, when the interior of the tank body is cleaned by the cleaning device 16, more water vapor is more easily formed in the interior of the tank body, when the tank body is in a low temperature environment, the water vapor accumulated at the valve is more likely to cause a risk of freezing, and therefore, the installation of the electric heating rod 12 at the valve can effectively prevent a safety risk or an accident caused by the fact that the valve cannot be opened due to freezing.

The utility model discloses an among the embodiment, tank deck device 10 still includes the protection casing (not shown in the figure), the protection casing is located tank deck board 11 top, and with form the enclosure space between the tank deck board 11, the protection casing is provided with the heat preservation the setting of protection casing can advance step and avoid the temperature loss of valve surrounding environment, and simultaneously, can also be with the temperature long time's of valve surrounding environment the maintenance at reasonable scope through the heat preservation, advance step reduction energy consumption, improve heat utilization efficiency.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the details of the invention described in connection with the specific embodiments thereof are not to be construed as limiting the invention to the specific embodiments illustrated in .

Claims

A can top device of the type , comprising:

a tank top cover plate;

a valve , the valve being mounted on the can top closure, an

An electrical heating rod disposed at a position near the valve , capable of heating the valve , the electrical heating rod being electrically connected to a power supply.
2. The can top assembly of claim 1 wherein said electrical heater bar is secured to the can top closure panel at the edge of the engagement of said valve with said can top closure panel.
3. The top lid assembly of claim 1, wherein the number of said electric heating rods is two.
4. The top closure assembly of claim 3, wherein two of said electrically heated bars are evenly disposed along the joining edge of said valve and said top closure panel.
5. The top cover apparatus of claim 1, wherein said power supply means comprises a thermostat control capable of turning on or off power to said electrical heating rod.
6. The top closure assembly of claim 1, wherein said valve comprises a safety valve.
7. The top closure assembly of claim 6, wherein said valve further comprises a vacuum valve.
8. The top closure assembly of claim 1, wherein said valve is a weighted valve .
9. The top lid assembly of claim 1, further comprising a cleaning assembly mounted to the top lid panel.
10. The top closure assembly of any one of claims 1 to 9, , further comprising a protective hood positioned above the top closure panel and forming an enclosed space with the top closure panel, the protective hood being provided with an insulating layer.