CN212053925U

CN212053925U - Movable container type neutron scale workshop

Info

Publication number: CN212053925U
Application number: CN201921082429.4U
Authority: CN
Inventors: 张想; 黄鸿; 牟鸿博; 张永强; 程飞; 彭沼捷; 黄冬和; 张国强; 李前磊
Original assignee: Zhengzhou Boerdeng Protective Equipment Co ltd
Current assignee: Zhengzhou Boerdeng Protective Equipment Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-12-01
Anticipated expiration: 2029-07-11

Abstract

The utility model provides a portable container formula neutron scale worker room, including the container body, container body front portion is equipped with logging instrument support, the rear portion that is used for placing the logging instrument and sets up neutron graduator shielding device, this internal portable plumbous screen that is equipped with of container for solve the inconvenient technical problem that carries out the scale to the logging instrument in the field.

Description

Movable container type neutron scale workshop

Technical Field

The utility model relates to a portable container formula neutron scale worker room.

Background

The neutron logging is widely applied to oil exploration, the process of the neutron logging is that a logging instrument is well calibrated in a reference medium and then is driven into the ground together with a neutron source, and the exploration purpose can be realized through the recording and analysis of a neutron counter because the reading of a logging curve is roughly proportional to the logarithm of the hydrogen content of a stratum.

The existing neutron logging instrument calibration device is usually installed in a fixed calibration workshop, and the logging instrument is conveyed into the calibration workshop to be calibrated when needing calibration, but because oil field exploration is generally carried out in a remote field, the transportation distance of the logging instrument is far, the consumed time is long, and the logging instrument is inconvenient. And at present, after the radioactive source is arranged in the logging instrument, the radioactive source is not protected by shielding when being calibrated in the calibration device, and the neutron radioactive source continuously irradiates outwards in the calibration process, so that the radiation dose in a calibration workshop is higher, and the potential harm to operators is larger.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable container formula neutron scale worker room for solve and carry out the technical problem of scale at the inconvenient logging instrument in field.

The technical scheme of the utility model is realized like this: the utility model provides a portable container formula neutron scale worker's room, includes the container body, container body front portion is equipped with the logging instrument support that is used for placing the logging instrument, the rear portion sets up neutron graduator shield assembly, this internal portable plumbous screen that is equipped with of container.

Furthermore, the neutron graduator shielding device comprises an upper shielding body and a lower shielding body, the upper shielding body and the lower shielding body are in tongue-and-groove buckling connection, rubber pads are arranged on the inner sides of the upper shielding body and the lower shielding body, and the neutron graduator is arranged on the inner side of the rubber pads.

Further, neutron graduator shield assembly still includes base, rubber pad and steel pipe, it is equipped with the connecting plate to go up between shield, the lower shield, the pedestal mounting is originally internal at the container, states the shield under installing on the base, the neutron graduator is installed under on the shield.

Furthermore, the upper shield and the lower shield of the shielding device of the neutron graduator are formed by laminating at least two protective materials, the structure of the shielding device is sequentially provided with an inner steel plate, a boron-containing polyethylene plate, paraffin and an outer steel plate from inside to outside, and the upper shield and the lower shield are connected in a Z-shaped lap joint mode.

Furthermore, the movable lead screen comprises a chassis, wherein the chassis is provided with idler wheels for moving the screen, a handle is arranged outside the protective steel plate, the protective lead plate is wrapped at the inner side of the protective steel plate, and the protective steel plate is provided with a lead glass window convenient for observation.

Furthermore, an area radiation detector and a handheld fire extinguisher are arranged at the entrance of a front door in the container, sockets, emergency lamps, an air-opening box and a ventilation device are further arranged on the left side and the right side of the interior of the container, and an explosion-proof lamp and a smoke alarm are arranged at the top of the container.

Furthermore, the side plates, the top plate and the bottom plate of the container body are detachably and fixedly connected through bolts, and the top of the container body is provided with a hoisting seat.

Furthermore, the side plates and the top plate of the container body are double-layer steel plates, and the interlayer in the container body is filled with flame-retardant heat-insulation materials.

By adopting the technical scheme, the beneficial effects of the utility model are that: set up portable container, can make things convenient for quick transports the scale device, can carry out the scale at the oil field exploration operation scene as required at any time to the logging instrument, guarantee operation progress and continuity. Set up neutron graduator shield assembly, can follow the root and shield the protection to the radiation source, reduce radiation dose in the container, guarantee operating personnel's safety. The neutron logging instrument support device is arranged, so that an operator can conveniently place the logging instrument. The movable lead screen is arranged and used for shielding gamma rays generated during neutron protection, so that the operator can be further protected.

Drawings

FIG. 1 is a block diagram of an embodiment of a calibration room for a logging tool according to the present invention;

FIG. 2 is a schematic diagram of a scale room for a logging tool according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a calibration room for a logging tool of the present invention;

FIG. 4 is a block diagram of a tool holder assembly of the present invention;

FIG. 5 is a block diagram of a neutron graduator shielding device of the present invention;

FIG. 6 is a cross-sectional view of a neutron graduator shielding apparatus of the present invention;

FIG. 7 is a block diagram of a lead screen according to the present invention;

wherein: 1. a container body; 2. a logging tool support apparatus; 3. a neutron graduator shielding device; 4. a movable lead screen; 5. hoisting a seat; 11. a hand-held fire extinguisher; 12. a front door; 13. a regional radiation detector; 14. an explosion-proof lamp; 15. a smoke alarm; 16. a socket; 17. an emergency light; 18. opening the box in an empty state; 19. an exhaust fan; 20. a rear door; 21. round steel; 22. angle steel; 31. A base; 32. a steel pipe; 33. a lower shield; 34. a connecting plate; 35. a neutron graduator; 36. an upper shield; 37. a rubber pad; 41. A screen roller; 42. a protective steel plate; 43. a protective lead plate; 44. a handle; 45. a lead glass window; 46. a chassis; 331. an inner layer steel plate; 332. a boron-containing polyethylene sheet; 333. paraffin wax; 334. and an outer steel plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses an embodiment of portable container formula neutron scale worker room, as shown in FIG. 1 to FIG. 7, a portable container formula neutron scale worker room, including container body 1, container body front portion is equipped with the logging instrument support 2 that is used for placing the logging instrument, and the rear portion sets up neutron graduator shield assembly 3, this internal portable plumbous screen 4 that is equipped with of container.

In order to better reduce the dosage value of radioactive radiation in the operating environment, as shown in fig. 5, a neutron graduator shielding device 3 is arranged outside the neutron graduator, and the neutron graduator shielding device is composed of an upper shielding body 36, a lower shielding body 33, a rubber pad 37, a neutron graduator 35, a connecting plate 34, a base 31 and a steel pipe 32,

neutron graduator shield assembly 3 comprises last shield 36, lower shield 33, neutron graduator 35, connecting plate 34, base 31, rubber pad 37 and steel pipe 32, base 31 installs on 1 bottom frame of container, and two are a set of, and the centre is inserted steel pipe 32 and is supported fixedly, installs shield 33 down on it, and neutron graduator 35 installs in shield round hole down, and last shield 36 links to each other with shield 33 down through connecting plate 34, goes up shield 36 and shield 33 inboard round hole in-house rubber pad 37 down to fix neutron graduator 35 in the centre.

The neutron graduator shielding device is characterized in that an upper shielding body and a lower shielding body of the neutron graduator shielding device are formed by combining at least two protective materials, the neutron graduator shielding device structurally comprises an inner steel plate 331, a boron-containing polyethylene plate 332, paraffin 333 and an outer steel plate 334 from inside to outside in sequence, and the upper shielding body and the lower shielding body are connected in a Z-shaped lap joint mode. The manufacturing process flow of the upper shield 36 and the lower shield 33 comprises the steps of welding an inner steel plate, then attaching a boron-containing polyethylene plate outside the steel plate, then welding an outer steel plate with a gap according to the thickness of paraffin, arranging a paraffin filling hole, and finally filling paraffin in the gap layer. The paraffin and the polyethylene plate have high hydrogen content and are very good neutron moderating materials, the boron element contained in the boron-containing polyethylene plate is an ideal thermal neutron absorbing material, certain energy can be generated in the neutron absorbing process to capture gamma radiation, and the outer steel plate can play a role in shielding. Through the combined use of the materials, the optimal effects of neutron moderation, absorption and capture of gamma ray shielding are achieved. The upper shield body and the lower shield body are connected in a Z-shaped lap joint mode, the structure is reasonable, and the sealing performance is good. Through the setting of above structure and device, when carrying out the scale to the logging instrument who installs the radiation source, the radiation dose in the shield assembly outside can reach the human safe range that can bear, and during the staff was in the operation of scale worker's room, received radiation dose greatly reduced to personnel's safety has been ensured at the root.

The movable lead screen comprises a chassis 46, wherein the chassis is provided with a roller 41 for moving the screen, the chassis is provided with a bent protective lead plate 43, the protective lead plate 43 is provided with a handle 44, the side surface of the protective lead plate 43 is provided with a protective steel plate 42, and the lead plate is provided with a lead glass window 45. The movable lead screen 4 pushes the screen roller 41 to move through the handle 44 to realize the movable protection, the protection steel plate 42 and the protection lead plate 43 can effectively shield radiation source radiation, the lead glass window 45 can be conveniently observed, in the process of absorbing thermal neutrons by a shielding material, capture gamma radiation with certain energy can be generated, the capture gamma radiation can be absorbed by the outer steel plate of the shielding body, but some leakage is possible, therefore, the movable lead screen 4 can be placed between a radiation source and a human body in the processes of taking, loading, unloading or loading and unloading a logging instrument, and real-time protection is carried out on workers.

In order to improve the functional requirements of the scale workshop, as shown in fig. 3, the two ends of the container are respectively provided with a front door 12 and a rear door 20, the front door 12 is used for a person to operate a logging instrument access way, the rear door 20 is used for a person to operate a radioactive source access way, the front door and the rear door are separately arranged, the intensity of radiation of the person can be effectively reduced, an area radiation detector 13 is arranged at the front door inlet in the container and used for monitoring the radiation dose in the environment in real time, a handheld fire extinguisher 11 is further arranged, a socket 16, an emergency lamp 17, an open box 18 and an exhaust fan 19 are further arranged on the inner side of the container, an explosion-proof lamp 14 and a smoke alarm 15 are arranged at the top of the container, the requirements. The four sides and the top of the container body are filled with flame-retardant heat-insulating materials inside the double-layer steel plate and are welded together, the bottom of the container body is a steel structure frame, and special reinforcement treatment is further performed on the bottom of the container body in the region where the graduator base needs to be installed. The four sides, the top and the bottom of the container body are connected by detachable bolts, so that the container body can be separated when equipment in the container is required to be hoisted. The top of container body sets up hoist and mount seat 5, and hoist and mount seat 5 is located the roof upper surface.

For the convenience of better promotion staff operation logging instrument, as shown in fig. 4, set up neutron logging instrument support device 2 in the container, neutron logging instrument support 2 is bent into required shape by round steel 21 and is formed with angle steel 22 welding, three neutron logging instrument support is a set of, put the container according to appointed spaced distance in, the staff can place the logging instrument on neutron logging instrument support 2, dismantle, various operations such as equipment.

The use method of the movable container type neutron scale workshop of the embodiment is as follows: when the scales are required, the scale workshop and all the devices in the scale workshop are integrally transported to a destination, the door lock is opened after the scale workshop is in place, and the corresponding auxiliary instrument is started to finish the scale preparation work. After the logging instrument and the radioactive source tank are prepared, the front door of the scale workshop is opened to place the logging instrument on the logging instrument bracket device, then the back door is opened to bring the source tank with the radioactive source into the container, the operator takes down the logging instrument and places the logging instrument into the orifice of the graduator for waiting, another group of operators wear a lead coat to take the radioactive source out of the source tank (with a source taking tool), the radioactive source is arranged on the logging instrument, after the radioactive source is fixed, the logging instrument with the source is pushed into the graduator shielding device, the whole operation process with the source is about 1 minute, the graduator shielding device starts to shield and protect the radioactive source, the radiation of the radioactive source is controlled, and then starting the calibration device to start to perform calibration, after the calibration is completed, an operator enters the container to pull the logging instrument out of the calibrator, takes out the radioactive source from the logging instrument and puts the radioactive source back into the source tank, and the calibration of the logging instrument is completed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a portable container formula neutron scale worker room, includes the container body, its characterized in that, container body front portion is equipped with the logging instrument support that is used for placing the logging instrument, the rear portion sets up neutron graduator shield assembly, this internal portable plumbous screen that is equipped with of container.

2. The movable container type neutron scale workshop according to claim 1, wherein the neutron graduator shielding device comprises an upper shielding body and a lower shielding body, the upper shielding body and the lower shielding body are buckled and connected through tongue-and-groove, rubber pads are arranged on the inner sides of the upper shielding body and the lower shielding body, and the neutron graduator is arranged on the inner sides of the rubber pads.

3. The movable container type neutron scale workshop according to claim 2, wherein the neutron graduator shielding device further comprises a base, a rubber pad and a steel pipe, a connecting plate is arranged between the upper shielding body and the lower shielding body, the base is installed at the bottom of the container body, the base is provided with the lower shielding body, and the neutron graduator is installed on the lower shielding body.

4. The movable container type neutron scale workshop according to claim 3, wherein the upper shield and the lower shield of the neutron graduator shielding device are formed by laminating at least two protective materials, the structures of the neutron graduator shielding device are an inner steel plate, a boron-containing polyethylene plate, paraffin and an outer steel plate from inside to outside in sequence, and the upper shield and the lower shield are connected in a Z-shaped lap joint mode.

5. The movable container type neutron scale workshop according to claim 4, wherein the movable lead screen comprises a chassis, a protective steel plate and a protective lead plate, the chassis is provided with idler wheels for moving the screen, a handle is arranged outside the protective steel plate, the protective lead plate is wrapped on the inner side of the protective steel plate, and the protective steel plate is provided with a lead glass window convenient for observation.

6. The movable container type neutron scale workshop as claimed in claim 5, wherein an area radiation detector and a hand-held fire extinguisher are arranged at the entrance of a front door in the container, sockets, emergency lamps, an empty box and a ventilation device are further arranged on the left side and the right side of the interior of the container, and an explosion-proof lamp and a smoke alarm are arranged on the top of the container.

7. The movable container type neutron scale workshop according to claim 6, wherein the side plates, the top plate and the bottom plate of the container body are detachably and fixedly connected through bolts, and a hoisting seat is arranged at the top of the container body.

8. The movable container type neutron scale workshop according to claim 7, wherein the side plates and the top plate of the container body are double-layer steel plates, and the inner interlayer is filled with flame-retardant heat-insulation materials.