Cooling device for flash point instrument heating furnace

Abstract

The utility model relates to the technical field of flash point detection, in particular to a cooling device for a flash point instrument heating furnace. The device comprises an air blowing cylinder erected above a flash point instrument heating furnace, and a fan fixedly connected to the interior of the air blowing cylinder, wherein a cooling assembly for cooling is arranged at the downstream of the fan; a plurality of supporting legs are fixedly connected to the circumferential wall of the air blowing cylinder and are arranged at equal intervals in the circumferential direction of the air blowing cylinder. The fan of the device can accelerate heat exchange and take away heat on the heating furnace, the cooling assembly refrigerates, the temperature of the heating furnace can be further reduced, the fan and the cooling assembly act at the same time, the instrument cooling time is greatly shortened, and workers can conveniently carry out next flash point measurement; the device can adjust the transverse length of the supporting legs according to the diameter of the heating furnace, and can be suitable for different types of flash point instruments within a certain range.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flash point detection, in particular to a cooling device for flash point instrument heating furnace. BACKGROUND

[0002] The flash point of petrochemical products is an important detection index, reflects the safety of petrochemical products and the quality of petrochemical products, and has important application in fire hazard and use safety assessment that may be caused in the process of oil storage, transportation and use. Therefore, the flash point is a very important physical and chemical property. The flash point is divided into open flash point and closed flash point according to different test methods, and whether the open flash point or the closed flash point of petroleum products is determined depends on the provisions of product standards. Different flash point instruments have different test conditions, but they all need to be heated. The oil sample needs to be heated to (40-190) DEG C for closed flash point, and needs to be heated to (150-300) DEG C for open flash point. The temperature of the heating furnace of the instrument is higher, and the cooling is mostly air cooling, and the cooling time is about (30-120) min to room temperature according to the different heating temperatures. Only when the heating furnace is cooled to room temperature, the accuracy of the next measurement is not affected, therefore, in order to improve the measurement efficiency and reduce the instrument cooling time, it is necessary to provide a cooling device for the flash point instrument heating furnace to solve the above problems. SUMMARY

[0003] In order to solve the above problems of the prior art, the utility model provides a cooling device for flash point instrument heating furnace, which can quickly cool the temperature of the flash point instrument heating furnace to room temperature, reduce the instrument cooling time, and facilitate the next flash point determination of the staff.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a cooling device for flash point instrument heating furnace, comprising a blow gun erected above the flash point instrument heating furnace, a fan fixedly connected in the blow gun, a cooling assembly for cooling arranged downstream of the fan, a plurality of legs fixedly connected on the circumferential wall of the blow gun, and the legs are arranged at equal intervals along the circumferential direction of the blow gun.

[0005] By adopting the above structure design, the fan can accelerate heat exchange, take away the heat on the heating furnace, the cooling assembly refrigerates, reduces the temperature of the heating furnace, the fan and the cooling assembly act at the same time, greatly reduce the instrument cooling time, and facilitate the next flash point determination of the staff.

[0006] Preferably, the cooling assembly comprises a first cooling pipe arranged downstream of the fan, a circulating pump in communication with an inlet of the first cooling pipe, a second cooling pipe in communication with an outlet of the first cooling pipe at a tail end, a heat preservation barrel for maintaining a low temperature of the second cooling pipe, a head end of the second cooling pipe being in communication with the circulating pump, the first cooling pipe being fixedly connected to a lower end of the blowing cylinder, and the second cooling pipe being arranged inside the heat preservation barrel.

[0007] With the above structure, the liquid in the first cooling pipe and the second cooling pipe is circulated by the circulating pump, so that the liquid flowing through the first cooling pipe is maintained at a lower temperature, and the air blown by the fan is cooled after passing through the first cooling pipe, and then is blown onto the heating furnace, thereby effectively reducing the temperature of the heating furnace.

[0008] Preferably, the first cooling pipe and the second cooling pipe are made of copper or aluminum.

[0009] With the above structure, the thermal conductivity of copper or aluminum is high, and the heat exchange capacity of the first cooling pipe and the second cooling pipe is increased.

[0010] Preferably, the second cooling pipe has a spiral structure.

[0011] With the above structure, the second cooling pipe can better contact the ice or refrigerant in the heat preservation barrel.

[0012] Preferably, a dustproof net is fixedly connected to a cylinder opening at an upper end of the blowing cylinder.

[0013] With the above structure, the performance of the fan is prevented from being affected by dust or other impurities.

[0014] Preferably, the supporting leg comprises a sleeve fixedly connected to a circumferential wall of the blowing cylinder, a supporting rod arranged in the sleeve, a supporting rod fixedly connected to an end of the supporting rod, and a positioning bolt threaded in a cylinder wall of the sleeve, and a bottom end of the supporting rod is fixedly connected to a supporting plate.

[0015] With the above structure, the transverse length of the supporting leg can be adjusted according to the diameter of the heating furnace, so that the device can be applied to flash point instruments of different models within a certain range.

[0016] Compared with the prior art, the device has the following beneficial effects:

[0017] The fan of the device can accelerate heat exchange, take away the heat on the heating furnace, cool the cooling assembly, further reduce the temperature of the heating furnace, simultaneously act on the fan and the cooling assembly, greatly reduce the instrument cooling time, and will not produce water mist or water droplets on the heating furnace, facilitating the next flash point determination of the staff; the device can adjust the transverse length of the supporting leg according to the diameter of the heating furnace, and within a certain range, can be applied to different models of flash point instruments. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is an explosion structural schematic view of the utility model parts;

[0020] Figure 3 It is a structural schematic view of the utility model from the top;

[0021] Figure 4 It is a structural schematic view of the utility model when used on the flash point instrument. DETAILED DESCRIPTION

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 The utility model provides a technical scheme: a cooling device for heating furnace of flash point instrument, including erecting on the flash point instrument heating furnace above blow -off tube 1, fixedly connected in blow -off tube 1 inside fan 2, the downstream of fan 2 is used for cooling cooling assembly of temperature reduction;The circumferential wall of blow -off tube 1 is fixedly connected supporting leg 3, and the supporting leg 3 is arranged multiple and along the circumferential direction of blow -off tube 1 equidistant arrangement. Supporting leg 3 sets up three groups and equidistantly annular in the circumferential wall of blow -off tube 1.

[0023] The cooling assembly comprises a first cooling pipe 21 arranged downstream of the air blower 2, a circulating pump 22 connected to the water inlet of the first cooling pipe 21, a second cooling pipe 23 connected to the water outlet of the first cooling pipe 21, a heat preservation barrel 24 for maintaining the low temperature state of the second cooling pipe 23, the first end of the second cooling pipe 23 being connected to the circulating pump 22, the water outlet of the first cooling pipe 21 being connected to the tail end of the second cooling pipe 23 through a first water pipe 41, the head end of the second cooling pipe 23 being connected to the circulating pump 22 through a second water pipe 42, the first water pipe 41 and the second water pipe 42 being flexible pipes, the first cooling pipe 21 being fixedly connected to the lower end of the air blower 2, the second cooling pipe 23 being arranged inside the heat preservation barrel 24, the second cooling pipe 23 being fixedly connected to the inner side wall of the heat preservation barrel 24, ice bags or refrigerants being stored in the heat preservation barrel 24, when the ice bags melt or the refrigerants lose effectiveness, the ice bags or refrigerants are re-frozen in a refrigerator, and the standby ice bags or refrigerants are placed in the heat preservation barrel 24.

[0024] The first cooling pipe 21 and the second cooling pipe 23 are made of copper or aluminum.

[0025] As shown in Figure 2 In order to increase the arrangement area of the first cooling pipe 21, the first cooling pipe 21 is arranged in an S shape, and the second cooling pipe 23 is in a spiral structure.

[0026] The upper end of the air blower 1 is fixedly connected to a dustproof net 11.

[0027] The supporting leg 3 comprises a sleeve 31 fixedly connected to the circumferential wall of the air blower 1, a supporting rod 32 arranged in the sleeve 31, a supporting rod 33 fixedly connected to the end of the supporting rod 32, and a positioning bolt 34 arranged in the sleeve 31 through screwing, when the supporting rod 32 is stretched to a proper length, the positioning bolt 34 is rotated, the lower end of the positioning bolt 34 abuts against the supporting rod 32, and the supporting rod 32 is fixed, and the bottom end of the supporting rod 33 is fixedly connected to a supporting plate 35.

[0028] Working principle: first, the staff according to the diameter of the heating furnace adjust the transverse length of the supporting leg, the staff pull out the supporting rod 32 from the sleeve 31, when the supporting rod 32 is stretched to the appropriate length, the staff rotate the positioning bolt 34, the lower end of the positioning bolt 34 is in contact with the supporting rod 32, that is, the supporting rod 32 is fixed, then the staff erect the device on the heating furnace, then the staff fill the ice bag or refrigerant in the insulation barrel 24, then the staff start the fan 2 and the circulating pump 22, the fan 2 runs to produce the wind, the wind first passes through the first cooling pipe 21, the wind blown by the fan 2 passes through the first cooling pipe 21, then blows on the heating furnace, which can effectively reduce the temperature of the heating furnace, the liquid in the first cooling pipe 21 and the second cooling pipe 23 circulates through the circulating pump 22, which can maintain the liquid flowing through the first cooling pipe 21 at a lower temperature, when the ice bag melts or the refrigerant fails, the staff re-put the ice bag or refrigerant into the refrigerator, the staff put the standby ice bag or refrigerant into the insulation barrel 24.

[0029] The structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and do not have technical substantial significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be produced by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for the convenience of clear description, and are not used to limit the scope of the present application, the change or adjustment of relative relationship, without substantially changing the technical content, is also regarded as the scope of the present application.

[0030] The above describes the present application with reference to the preferred embodiments, but the protection scope of the present application is not limited thereto, any technical solution falling within the scope of the claims is within the protection scope of the present application. Various improvements can be made to it and equivalent parts can be replaced without departing from the scope of the present application. In particular, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way.

Claims

1. A cooling device for a flash point apparatus heating furnace, characterized by: The utility model relates to a flash point instrument cooling device, including the blowpipe (1) of erecting above the flash point instrument heating furnace, the fan (2) of fixedly connected in the blowpipe (1) inside, the cooling assembly for cooling is arranged downstream of the fan (2), the circumferential wall of blowpipe (1) is fixedly connected with the support leg (3), the support leg (3) sets up multiple and along the equidistance arrangement of the circumferential direction of blowpipe (1), the cooling assembly includes the first cooling pipe (21) of setting downstream of fan (2), the circulating pump (22) of first cooling pipe (21) water inlet intercommunication, the second cooling pipe (23) of tail end with first cooling pipe (21) water outlet intercommunication, the heat preservation bucket (24) for maintaining the low temperature state of second cooling pipe (23), the first cooling pipe (21) fixedly connected in the lower end of blowpipe (1), the second cooling pipe (23) is arranged in the inside of heat preservation bucket (24).

2. A cooling device for a flash point apparatus heating furnace according to claim 1, characterized in that: The first cooling pipe (21) and the second cooling pipe (23) are made of copper or aluminum.

3. A cooling device for a flash point apparatus heating furnace according to claim 1, characterized in that: The second cooling pipe (23) is in a spiral structure.

4. A cooling device for a flash point apparatus heating furnace according to claim 1, characterized in that: The upper end of the blowpipe (1) is fixedly connected with a dust screen (11).

5. A cooling device for a flash point apparatus heating furnace according to any one of claims 1 to 4, characterized in that: The support leg (3) includes a sleeve (31) fixedly connected to the circumferential wall of the blowpipe (1), a support rod (32) penetrating the sleeve (31), a support rod (33) fixedly connected to the end of the support rod (32), and a positioning bolt (34) threaded through the sleeve (31) barrel wall, and the bottom end of the support rod (33) is fixedly connected with a support plate (35).

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