CN212409235U

CN212409235U - Oil bath safety explosion-proof oven

Info

Publication number: CN212409235U
Application number: CN202020827176.5U
Authority: CN
Inventors: 龙光辉; 张平
Original assignee: Chengdu Yihua Tianyu Testing Equipment Co ltd
Current assignee: Chengdu Yihua Tianyu Testing Equipment Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-26
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses an oil bath safety explosion-proof oven, including the insulation can, the oil tank, chamber door and control box, install the oil tank in the insulation can, be equipped with the oil filler hole with the oil tank intercommunication on the insulation can, the oil discharge, level gauge and thermometer, processing has side open-ended interior box in the oil tank, it has the chamber door that aligns with interior box to articulate on the insulation can, insulation can one side is connected with the control box, be equipped with the oil pump in the control box, advance the oil pipe, arrange the oil pipe, heater and controller, the import and the export of oil pump are connected with respectively into oil pipe and arrange the oil pipe, advance oil pipe and oil tank bottom intercommunication, arrange oil pipe and arrange the oil tank internal top of arranging behind the oil tank of bottom in, processing has. The utility model discloses an oil extraction pipe to be connected on the oil pump is installed in the oil tank, and the heat when external space is arranged in to reducible conduction oil gives off, can keep the temperature of conduction oil on the one hand, and on the other hand can avoid ambient temperature to rise.

Description

Oil bath safety explosion-proof oven

Technical Field

The utility model relates to a drying equipment field especially relates to an oil bath safety explosion-proof oven.

Background

Oil bath safety oven is applicable to the test that contains flammable explosive gas volatile substance, and current oil bath safety oven is driven the heat conduction oil by the oil pump mostly and flows to improve the homogeneity of oil temperature, but current oil pump is installed and is driven the oil through external oil pipe and flow outside the oil tank, consequently causes external oil pipe can volatilize the heat of conduction oil outdoor, has increased ambient temperature, causes staff's uncomfortable and feels, and consequently this problem is urgent to be solved.

Disclosure of Invention

An object of the utility model is to provide a can prevent oil bath safety explosion-proof oven that temperature distributes.

The utility model aims at realizing through the following technical scheme:

an oil bath safety explosion-proof oven comprises an insulation can, an oil tank, a box door and a control box, wherein the oil tank is installed in the insulation can, an oil filling port, an oil discharging port, a liquid level meter and a thermometer which are communicated with the oil tank are arranged on the insulation can, the oil filling port and the thermometer are both installed on the upper portion of the insulation can, the oil discharging port is installed on the lower portion of the insulation can, the liquid level meter is installed on the side wall of the insulation can, an inner box body with an opening on the side face is processed in the oil tank, the box door which is aligned with the inner box body is hinged on the insulation can, the control box is connected to one side of the insulation can, an oil pump, an oil inlet pipe, an oil discharge pipe, a heater and a controller are arranged in the control box, the oil pump is installed at the bottom of the control box, the, the control box of oil pump department is processed on and is had the louvre, the heater is installed in advancing the controller between oil pipe and the interior box, and the heating portion of heater stretches into in the oil tank, the controller is installed on control box upper portion, and the controller is connected with heater and oil pump respectively.

Be connected with pressure regulating mechanism on the oil discharge opening, pressure regulating mechanism includes three-way valve, support, slide rail, baffle, slider, bellows and spring, three-way valve one end and oil discharge opening intercommunication, both ends respectively with supply oil pipe and bellows connection in addition, and the support is installed at the insulation can top of three-way valve one side, is equipped with the slide rail towards three-way valve on the support, installs the slidable slider on the slide rail, and the slide rail is kept away from and is installed the baffle on the support of three-way valve one end, the bellows is installed on the support between three-way valve and slider, and the bellows is kept away from three-way valve's one end and is installed the relief valve, and the relief valve fixes on the slider, install the.

The two groups of heaters are horizontally arranged in an oil tank below the inner box body.

And an explosion-proof lock is arranged on the box door.

And heat insulation cotton is filled between the outer wall of the heat insulation box and the oil tank.

And the heat insulation box is also provided with an oil temperature sensor and an inner box body temperature sensor.

The utility model provides an explosion-proof oven utensil of oil bath safety's beneficial effect is:

(1) the oil discharge pipe connected to the oil pump is arranged in the oil tank, so that heat dissipation of heat conduction oil in an external space can be reduced, the temperature of the heat conduction oil can be kept on one hand, and the rise of the ambient temperature can be avoided on the other hand;

(2) through set up pressure regulating mechanism at the oil discharge opening, the air that produces when can avoiding the conduction oil heating increases the pressure in the oil tank to the effectual normal work of guaranteeing the oil bath oven.

Drawings

FIG. 1 is a front view of the embodiment of the present invention

Fig. 2 is a cross-sectional view taken along line a-a of fig. 1.

Fig. 3 is a schematic structural diagram of the pressure regulating mechanism according to the embodiment of the present invention.

Reference numerals: 1. a heat preservation box; 11. an oil filler; 12. an oil discharge port; 13. a liquid level meter; 14. a thermometer; 15. heat preservation cotton; 2. an oil tank; 21. heat conducting oil; 22. an inner box body; 3. a box door; 4. a control box; 41. an oil pump; 42. an oil inlet pipe; 43. an oil discharge pipe; 44. a heater; 45. a controller; 46. Heat dissipation holes; 5. a pressure regulating mechanism; 51. a three-way valve; 52. a support; 53. a slide rail; 54. a slider; 55. a baffle plate; 56. a bellows; 57. a spring; 58. a pressure relief valve; 6. an explosion-proof lock; 7. an oil temperature sensor; 8. inner box temperature sensor.

Detailed Description

Examples

As shown in fig. 1 to 3, the oil bath safe explosion-proof oven provided in this embodiment includes an incubator 1, an oil tank 2, a door 3 and a control box 4, the oil tank 2 is installed in the incubator 1, insulation cotton 15 is filled between the outer wall of the incubator 1 and the oil tank 2, the incubator 1 is provided with an oil inlet 11, an oil outlet 12, a level meter 13 and a thermometer 14 which are communicated with the oil tank 2, the oil inlet 11 and the thermometer 14 are installed on the upper portion of the incubator 1, the oil outlet 12 is installed on the lower portion of the incubator 1, the level meter 13 is installed on the side wall of the incubator 1, an inner box 22 with an opening on the side face is processed in the oil tank 2, the incubator 1 is hinged with the door 3 aligned with the inner box 22, the door 3 is provided with an explosion-proof lock 6, through the explosion-proof lock 6, when a flammable and explosive gas volatile substance is tested, can be automatic with explosion-proof lock 6 back-off for automatic pressure release to avoid interior box 22 pressure too big to cause the explosion, insulation can 1 one side is connected with control box 4, be equipped with oil pump 41, oil inlet pipe 42, arrange oil pipe 43, heater 44 and controller 45 in the control box 4, through setting up control box 4, can make oil pump 41, oil inlet pipe 42, arrange oil pipe 43, heater 44 install in the box, in order to avoid electrical components and outside air contact, in order to realize keeping apart blast proof purpose, oil pump 41 installs in control box 4 bottom, the import and the export of oil pump 41 are connected with oil inlet pipe 42 and oil pipe 43 respectively, oil inlet pipe 42 communicates with oil tank 2 bottom, arrange oil pipe 43 and place top in oil tank 2 after passing oil tank 2 of bottom, processing has louvre 46 on the control box 4 of oil pump 41 department, through arrange oil pipe 43 and penetrate oil tank 2 from the bottom, the contact area of the oil discharge pipe 43 and the external air can be reduced, thereby reducing the emission of the temperature of the heating oil, simultaneously, the temperature carried by the oil inlet pipe 42 and the oil discharge pipe 43 arranged in the control box 4 can be discharged through the heat radiation holes 46, so as to prevent the oil temperature from influencing the work of the controller 45, the heater 44 is arranged in the controller 45 between the oil inlet pipe 42 and the inner box body 22, the heating part of the heater 44 extends into the oil tank 2, two groups of heaters 44 are arranged, the two groups of heaters 44 are horizontally arranged in the oil tank 2 below the inner box body 22, the two groups of heaters 44 are arranged to improve the heating efficiency of the heat conducting oil 21, the controller 45 is arranged at the upper part of the control box 4, the controller 45 is respectively connected with the heater 44 and the oil pump 41, in order to reduce the oil temperature diffusion at the lower part of the control box 4, the middle part of the control box 4 is also, the oil temperature sensor 7 extends into the oil tank 1, and the inner tank body temperature sensor 8 penetrates through the oil tank 2 and then is arranged in the inner tank body 22.

In order to prevent the volatile gas from increasing the pressure in the oil tank 2 when the heat conducting oil 21 is heated, a pressure regulating mechanism 5 is connected to the oil outlet 12, as shown in fig. 3, the pressure regulating mechanism 5 includes a three-way valve 51, a bracket 52, a sliding rail 53, a baffle 55, a sliding block 54, a corrugated pipe 56 and a spring 57, one end of the three-way valve 51 is communicated with the oil outlet 12, the other two ends of the three-way valve 51 are respectively connected with an oil supply pipeline and the corrugated pipe 56, the bracket 52 is installed at the top of the insulation can 1 at one side of the three-way valve 51, the sliding rail 53 facing the three-way valve 51 is installed on the bracket 52 at one side of the bracket 52, the sliding rail 53 is provided with the sliding block 54 capable of sliding, the baffle 55 is installed on the bracket 52 between the three-way valve 51 and the sliding block 54, a pressure relief, a spring 57 for compressing the corrugated pipe 56 is arranged between the sliding block 54 and the baffle 55, when the heat conducting oil 21 in the oil tank 2 is heated and gasified, the heat conducting oil enters the corrugated pipe 56 through the three-way valve 51, and the corrugated pipe 56 is tightened under normal pressure by the elasticity of the spring 57; when high pressure is met, the corrugated pipe 56 expands, and meanwhile, the spring 57 is slowly compressed along with the pressure rise so as to realize the effect of adjusting the pressure in the oil tank 2. To facilitate easy control of the pressure relief valve 58, the pressure relief valve 58 is preferably a solenoid valve.

The utility model discloses a use method is:

send conduction oil 21 in oil tank 2 through the oil supply pipe who connects on the three way valve 51, and observe the content of oil from level gauge 13, after conduction oil 21 reaches the assigned height, then stop to send oil, set up the temperature through controller 45 simultaneously, heater 44 heats conduction oil 21 to the assigned temperature according to the temperature that controller 45 set for afterwards, oil pump 41 works when heating, the conduction oil 21 pump after heating oil tank 2 bottom is to oil tank 2 top, drive conduction oil 21 with this and flow, thereby realize the intensification of whole equipment, then put the product of awaiting measuring into inner box 22 as required, or put the product of awaiting measuring into inner box 22 before heater 44 heats. Because some oil gas volatilizees when medium oil heats, the oil tank 2 is relatively sealed again, if the volatilized oil gas is not reduced and led out, the pressure in the oil tank 2 can be increased, thereby increasing the risk of explosion of the oil tank 2, therefore, when the heat conduction oil 21 volatilizes, the oil gas is led out from the oil filling port 11 along the corrugated pipe 56 of the three-way valve 51, along with the increase of the oil gas, the gas in the corrugated pipe 56 continuously expands, and the sliding block 54 is pushed to move towards the baffle 55, at the moment, the spring 57 between the sliding block 54 and the baffle 55 is compressed, the evaporated oil gas after heating is absorbed through the corrugated pipe 56, and the purpose of balancing the pressure of the oil tank 2 is achieved. If the pressure in the oil tank 2 is too high, oil gas can be discharged through the pressure release valve 58, so that the aim of protecting the oil tank 2 is fulfilled. If the pressure of the inner box 22 is high during the heating process of the heater 44, the explosion-proof lock 6 can be pushed open to release the pressure, so as to prevent the oil tank 2 from being broken due to the excessive pressure in the inner box 22. After the heating is completed, after the excessive oil gas is discharged through the pressure release valve 58, the high-temperature heat conduction oil 21 in the oil tank 2 is discharged through the oil discharge port 12, and if the excessive oil gas is not discharged through the pressure release valve 58, the high-temperature heat conduction oil 21 is easily sprayed and discharged, so that safety accidents are easily caused. If the pressure regulating mechanism 5 is not installed and the oil outlet 12 is emptied at the same time, the heat transfer oil 21 is easy to volatilize completely, and the temperature of the heat transfer oil 21 is difficult to continue to rise after rising to a certain temperature.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted to avoid unnecessarily limiting the invention.

Claims

1. The utility model provides an oil bath safety explosion-proof oven, includes insulation can, oil tank, chamber door and control box, its characterized in that: the oil tank is arranged in the heat preservation box, the oil filling port, the oil discharge port, the liquid level meter and the thermometer which are communicated with the oil tank are arranged on the heat preservation box, the oil discharge port is arranged on the lower portion of the heat preservation box, the liquid level meter is arranged on the side wall of the heat preservation box, an inner box body with an opening on the side face is processed in the oil tank, a box door which is aligned with the inner box body is hinged on the heat preservation box, one side of the heat preservation box is connected with a control box, an oil pump, an oil inlet pipe, an oil discharge pipe, a heater and a controller are arranged in the control box, the oil pump is arranged at the bottom of the control box, the inlet and the outlet of the oil pump are respectively connected with the oil inlet pipe and the oil discharge pipe, the oil inlet pipe is communicated with the bottom of the oil tank, the oil discharge pipe penetrates through the oil, the heating part of the heater extends into the oil tank, the controller is installed on the upper part of the control box, and the controller is respectively connected with the heater and the oil pump.

2. The oil bath safety explosion-proof oven of claim 1, characterized in that: be connected with pressure regulating mechanism on the oil discharge opening, pressure regulating mechanism includes three-way valve, support, slide rail, baffle, slider, bellows and spring, three-way valve one end and oil discharge opening intercommunication, both ends respectively with supply oil pipe and bellows connection in addition, and the support is installed at the insulation can top of three-way valve one side, is equipped with the slide rail towards three-way valve on the support, installs the slidable slider on the slide rail, and the slide rail is kept away from and is installed the baffle on the support of three-way valve one end, the bellows is installed on the support between three-way valve and slider, and the bellows is kept away from three-way valve's one end and is installed the relief valve, and the relief valve fixes on the slider, install the.

3. The oil bath safety explosion-proof oven of claim 1, characterized in that: the two groups of heaters are horizontally arranged in an oil tank below the inner box body.

4. The oil bath safety explosion-proof oven of claim 1, characterized in that: and an explosion-proof lock is arranged on the box door.

5. The oil bath safety explosion-proof oven of claim 1, characterized in that: and heat insulation cotton is filled between the outer wall of the heat insulation box and the oil tank.

6. The oil bath safety explosion-proof oven of claim 1, characterized in that: and the heat insulation box is also provided with an oil temperature sensor and an inner box body temperature sensor.