CN219038582U

CN219038582U - Temperature-control heating testing device for airtight coring sample

Info

Publication number: CN219038582U
Application number: CN202222624089.1U
Authority: CN
Inventors: 龙威成; 赵继展; 董敏涛; 陈冬冬; 宋孝忠; 郑凯歌; 牟全斌; 井津
Original assignee: CCTEG Xian Research Institute Group Co Ltd
Current assignee: CCTEG Xian Research Institute Group Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-16
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a temperature control heating testing device for a closed coring sample, which comprises a barrel, wherein a detachable sealing cover is arranged at the top of the barrel, a heating medium cavity communicated with an external heat source is arranged in the barrel, at least one lifting partition plate is horizontally arranged in the heating medium cavity, a sliding block is arranged at the bottom of the lifting partition plate along the circumferential direction, the sliding block is clamped on a guide rail vertically arranged on the inner wall of the barrel, the sliding block can slide up and down along the guide rail, and a plurality of mounting holes for fixing the coring inner barrel are formed in the lifting partition plate. The utility model can use liquid or gas as heat conducting medium and set corresponding external heat source, and the utility model can directly install the coring inner cylinder storing the sealed coring sample in the cylinder body, thereby avoiding switching the sealed coring sample to the gas tank before heating test, reducing loss of gas and improving accuracy of gas content measurement.

Description

Temperature-control heating testing device for airtight coring sample

Technical Field

The utility model belongs to the technical field of geological exploration and coal mine safety, relates to a heating test device, and particularly relates to a temperature-control heating test device for a closed core sample.

Background

The gas content measurement of the closed core coal seam comprises the on-site desorption gas content measurement and the laboratory gas content measurement, and the laboratory gas content measurement needs to be heated before and after sample crushing. However, since the heating thermostatic water bath used for measuring the gas content of the laboratory of the gas content of the sealed coring coal seam is designed for the gas tank, the following defects exist in practical application: before heating and testing the closed core sample, the gas tank needs to be switched, so that gas loss and inconvenient operation of desorption test are caused; the temperature control of the heating test device is inaccurate, so that the test sample is heated unevenly, the test effect and the test aging are affected, the size and the volume of the conventional heating test device cannot meet the heating requirement of the airtight coring sample, and therefore, a special test device is designed for the gas content measurement of the airtight coring coal seam, so that heating and constant-temperature environments are provided for the laboratory gas content measurement of the airtight coring sample.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a temperature control heating test device for a closed core sample, which solves the technical problem that special equipment for measuring the closed core gas content of a coal bed in the prior art is lacked.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a airtight coring sample accuse temperature heating testing arrangement, includes the barrel, the barrel top is provided with the sealed lid that can dismantle, be provided with the heating medium cavity with outside heat source intercommunication in the barrel, the level is provided with an at least lift baffle in the heating medium cavity, lift baffle bottom is provided with the slider along circumference, the slider cartridge is on the guide rail of vertical setting in the barrel inner wall, just the slider can slide from top to bottom along the guide rail, a plurality of mounting holes that are used for fixed coring inner tube have been seted up on the lift baffle.

The utility model also has the following technical characteristics:

specifically, the external heat source comprises a circulating water pump and a heater which are arranged outside the cylinder body, the circulating water pump is communicated with the heater, and a water outlet of the heater is communicated with the heating medium cavity through a water inlet formed in the side wall of the cylinder body.

Further, the external heat source further comprises a hot air blower communicated with the air inlet of the cylinder body, and the hot air blower is used for conveying hot air into the heating medium cavity; an exhaust outlet communicated with the exhaust fan is arranged on the sealing cover; and a circulating air channel is formed between the air inlet and the air outlet.

Further, a liquid level scale is arranged on the upper portion of the inner wall of the cylinder.

Further, a first temperature sensor, a second temperature sensor and a third temperature sensor are sequentially arranged in the cylinder body from bottom to top.

Still further, still be provided with control unit on the barrel outer wall, control unit includes the control box and sets up the PLC controller in the control box, heater, circulating water pump, air heater, first temperature sensor, second temperature sensor and third temperature sensor respectively with the PLC controller electricity be connected.

Further, a display screen and an operation button are arranged on the control box, and the display screen and the operation button are electrically connected with the PLC.

Furthermore, the number of the lifting partition plates is two, and five sliding blocks are arranged at the bottom of each lifting partition plate at equal intervals along the circumferential direction.

Compared with the prior art, the utility model has the following technical effects:

the utility model can directly install the coring inner cylinder storing the sealed coring sample in the heating medium cylinder, and avoids switching the sealed coring sample to the gas tank before heating test, thereby reducing loss of gas loss and improving accuracy of gas content measurement.

And (II) the utility model can use liquid or gas as heat conducting medium and set corresponding external heat source, in the testing process, the temperature of different positions in the cylinder can be accurately monitored by setting the first temperature sensor, the second temperature sensor and the third temperature sensor, so that the heat source can be timely started or closed, thereby ensuring that the coring cylinder is heated uniformly and the testing result is more accurate.

The utility model has simple structure, convenient operation and strong popularization and use value.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

The meaning of each reference numeral in the figures is:

1-cylinder, 2-sealing cover, 3-lifting partition board, 4-circulating water pump, 5-heater, 6-liquid level scale, 7-first temperature sensor, 8-second temperature sensor, 9-third temperature sensor and 10-control box; 11-heating medium cavity, 12-guide rail; 21-exhaust outlet, 31-slide block, 32-mounting hole and A-core inner cylinder.

The details of the utility model are further described below with reference to the accompanying drawings and examples.

Detailed Description

All parts in the present utility model are known in the art, unless otherwise specified.

The terms "upper," "lower," "front," "rear," "top," "bottom," and the like are used herein to refer to an orientation or positional relationship for ease of description and simplicity of description only, and are not intended to indicate or imply that the devices or elements being referred to must be oriented, configured and operated in a particular orientation, with "inner," "outer" referring to the inner and outer sides of the corresponding component profiles, and the above terms are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the present utility model, unless otherwise indicated, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solutions of the present application fall within the protection scope of the present utility model.

Examples:

according to the technical scheme, the embodiment provides a temperature control heating test device for a closed coring sample, which comprises a cylindrical barrel 1 with an open top, wherein a detachable sealing cover 2 is arranged at the top of the barrel 1, a heating medium cavity 11 communicated with an external heat source is arranged in the barrel 1, two lifting partition plates 3 are horizontally arranged in the heating medium cavity 11, a sliding block 31 is arranged at the bottom of each lifting partition plate 3 along the circumferential direction, the sliding block 31 is clamped on a guide rail 12 vertically arranged on the inner wall of the barrel 1, the sliding block 31 can slide up and down along the guide rail 12, and 5 mounting holes 31 for fixing the coring inner barrel A are formed in each lifting partition plate 3; when the two lifting partition plates 3 are placed in the cylinder body 1, the mounting holes on the two lifting partition plates 3 are ensured to correspond one by one.

As a preferable scheme of this embodiment, water can be used as the heat-conducting medium, at this time, the external heat source includes circulating water pump 4 and heater 5 that set up outside barrel 1, circulating water pump 4 and heater 5 intercommunication, and the water outlet of heater 5 communicates with heating medium cavity 11 through the water inlet of seting up on barrel 1 lateral wall, and heating medium cavity 11 is sent into after the heater 5 heats water, and circulating water pump 4 connects the water source, can pump hot water into heater 5.

As a preferable scheme of the embodiment, gas can be used as a heat conducting medium, and at this time, the external heat source comprises a hot air blower communicated with the air inlet of the cylinder 1, and the hot air blower is used for feeding hot air into the heating medium cavity; an air outlet 21 communicated with the air exhaust fan is arranged on the sealing cover 2; a circulation air duct is formed between the air inlet and the air outlet 21, so that the air can flow in the cylinder 1.

The upper part of the inner wall of the cylinder body 1 is provided with a liquid level scale 6, and the liquid level scale 6 is marked with a minimum allowable liquid level value and a maximum allowable liquid level value.

As a preferable scheme of the embodiment, a first temperature sensor 7, a second temperature sensor 8 and a third temperature sensor 9 are sequentially arranged in the cylinder 1 from bottom to top, and when liquid is used as a heat conducting medium, the first temperature sensor 7, the second temperature sensor 8 and the third temperature sensor 9 can respectively monitor the temperature of low-liquid-level, medium-liquid-level and high-liquid-level liquid in the cylinder 1. When gas is used as the heat transfer medium, the first temperature sensor 7, the second temperature sensor 8, and the third temperature sensor 9 can monitor temperatures of the lower part, the middle part, and the upper part in the cylinder 1, respectively.

As a preferable scheme of the embodiment, a control unit is further arranged on the outer wall of the cylinder 1, the control unit comprises a control box 10 and a PLC controller arranged in the control box 10, and the heater 5, the circulating water pump 4, the air heater, the first temperature sensor 7, the second temperature sensor 8 and the third temperature sensor 9 are respectively and electrically connected with the PLC controller.

As a preferable scheme of the embodiment, a display screen and an operation button are arranged on the control box 10, the display screen and the operation button are electrically connected with the PLC, the display screen can display the temperature and the liquid flow height in the cylinder, and the operation button is used for controlling the switch of the testing device.

As a preferable scheme of this embodiment, the number of the lifting partition plates 3 is two, and five sliding blocks 31 are arranged at equal intervals along the circumferential direction at the bottom of each lifting partition plate 3, and during assembly, the mounting holes on the two lifting partition plates are coaxially arranged so as to realize the vertical arrangement of the coring inner barrel a in the barrel 1.

The utility model is used when in use:

the coring inner cylinder A which is subjected to air tightness detection and stores qualified coal samples is placed into the cylinder body 1, and the coring inner cylinder A is fixed by a lifting partition plate and covered with a sealing cover.

When water is used as a heat conducting medium, hot water is injected into the cylinder 1 by the circulating water pump 4 and the heater 5 until the liquid level reaches the scale position of the liquid level scale 6; desorbing the coring inner cylinder A according to the requirement of the gas content measurement related standard to realize the temperature control heating test of the sample in the coring inner cylinder A;

when the gas is used as a heat conducting medium, the air heater is turned on, hot air is fed into the heating medium cavity 11, and a circulating air channel is formed between the air inlet and the air outlet 21, so that the gas can flow in the cylinder body 1, stable heating of the coring inner cylinder A is realized, and temperature control heating test of a sample in the coring inner cylinder A is realized.

In the test process, when the temperature value monitored by the temperature sensor is 2% lower than the set temperature, an external heat source can be started; and when the temperature value monitored by the temperature sensor is 2% higher than the set temperature, the external heat source is turned off.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations. Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims

1. The utility model provides a airtight coring sample accuse temperature heating testing arrangement, includes barrel (1), barrel (1) top is provided with sealed lid (2) that can dismantle, a serial communication port, be provided with in barrel (1) with outside heat source intercommunication heating medium cavity (11), the level is provided with at least one lift baffle (3) in heating medium cavity (11), lift baffle (3) bottom is provided with slider (31) along circumference, slider (31) cartridge is on guide rail (12) of vertical setting in barrel (1) inner wall, just slider (31) can slide from top to bottom along guide rail (12), a plurality of mounting holes (32) that are used for fixed coring inner tube have all been seted up on lift baffle (3).

2. The sealed coring sample temperature-control heating test device according to claim 1, wherein the external heat source comprises a circulating water pump (4) and a heater (5) which are arranged outside the cylinder body (1), the circulating water pump (4) is communicated with the heater (5), and a water outlet of the heater (5) is communicated with the heating medium cavity (11) through a water inlet formed on the side wall of the cylinder body (1).

3. The sealed coring sample temperature-controlled heating test device according to claim 1, wherein the external heat source further comprises a hot air blower communicated with the air inlet of the cylinder (1), and the hot air blower is used for conveying hot air into the heating medium cavity (11); an exhaust outlet (21) communicated with the exhaust fan is arranged on the sealing cover (2); and a circulating air channel is formed between the air inlet and the air outlet (21).

4. The sealed coring sample temperature-control heating test device according to claim 1, wherein a liquid level scale (6) is arranged at the upper part of the inner wall of the cylinder (1).

5. The sealed coring sample temperature-control heating test device according to claim 2, wherein a first temperature sensor (7), a second temperature sensor (8) and a third temperature sensor (9) are sequentially arranged in the cylinder (1) from bottom to top.

6. The sealed coring sample temperature-control heating test device according to claim 5, wherein a control unit is further arranged on the outer wall of the cylinder body (1), the control unit comprises a control box (10) and a PLC (programmable logic controller) arranged in the control box (10), and the heater (5), the circulating water pump (4), the first temperature sensor (7) of the air heater, the second temperature sensor (8) and the third temperature sensor (9) are respectively and electrically connected with the PLC.

7. The sealed coring sample temperature-control heating test device according to claim 6, wherein a display screen and an operation button are arranged on the control box (10), and the display screen and the operation button are electrically connected with the PLC.

8. The device for temperature-controlled heating and testing of closed coring samples according to claim 1, wherein the number of the lifting partition boards (3) is two, and five sliding blocks (31) are arranged at equal intervals along the circumferential direction at the bottom of each lifting partition board (3).