Reheating sampling device for low-temperature tank car
By installing a heating box and heating pipe in the low-temperature tanker sampling device, the problem of pipeline frost and freezing during the sampling process was solved, and efficient low-temperature liquid detection was achieved.
Patent Information
- Application Number
- CN202423216162.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing cryogenic tanker sampling devices are prone to causing frost and freezing in the analysis pipelines during the sampling process, resulting in blockages and affecting detection efficiency.
A heating box and heating tube are installed in the sampling device. The sampling pipeline is heated by heating coils and power supply components to prevent frost and freezing.
It effectively prevents blockage of the analysis pipeline, improves the efficiency and flexibility of cryogenic liquid sampling and analysis, and expands the scope of application.
Smart Images

Figure CN223678848U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to low temperature tank car sampling technical field, concretely is low temperature tank car reheat sampling device. BACKGROUND
[0002] Low temperature tank car is a kind of vehicle specially used for transporting low temperature liquid, mainly used for transporting liquefied natural gas (LNG), liquid oxygen (LOX), liquid nitrogen (LIN), liquid argon (LAR) and liquid carbon dioxide (LCO2) etc..These tank cars usually have high vacuum multilayer winding heat insulation structure to ensure the stability of liquid at extremely low temperature, but low temperature tank car needs to sample and detect liquid in tank car inside in time during transporting liquid, so sampling device needs to be used.
[0003] The existing sampling device is generally connected with the sampling port of low temperature tank car directly, and then connected with analysis instrument through sampling device, but due to the low temperature of liquid in low temperature tank car, low temperature liquid can cause frost formation and freezing of analysis pipeline during sampling and detection, block analysis pipeline, thus bring certain trouble to low temperature liquid sampling and analysis, and affect the detection efficiency of low temperature liquid. UTILITY MODEL CONTENT
[0004] In view of the deficiency of prior art, the utility model provides low temperature tank car reheat sampling device, solves the problem that traditional low temperature tank car can cause frost formation and freezing of analysis pipeline during sampling, prevents blocking analysis pipeline, reduces the trouble in low temperature liquid sampling and analysis process, and further improves the detection efficiency of low temperature liquid.
[0005] To realize the above purpose, the utility model is realized by the following technical scheme: low temperature tank car reheat sampling device, including tank car, one end of tank car is fixedly connected with sampling box, and the side surface of sampling box is equipped with box door, the inside of sampling box is equipped with heating box, and the inside of heating box is equipped with heating pipe, the outside surface of heating pipe is equipped with heating coil, and the both ends of heating coil are fixedly connected with the both end inner walls of heating box, one end of heating pipe is fixedly connected with liquid inlet pipe, and one end of liquid inlet pipe is fixedly connected with tank car through heating box and sampling box, the other end of heating pipe is fixedly connected with liquid outlet pipe, and one end of liquid outlet pipe is fixedly connected with tee joint through heating box, one end of tee joint is fixedly connected with pipe joint, the side surface of heating box is fixedly connected with chute, and the inside of chute is slidably connected with conductive block, the lower surface of conductive block is in contact with heating coil, and one side of heating box is equipped with power supply assembly.
[0006] Preferably, the power supply assembly includes a power supply, and the power supply is connected to a controller via a wire, the upper surface of the controller is fixedly connected to two groups of wires, and the two groups of wires are respectively fixedly connected to one side surface of the conductive block and one end of the heating coil.
[0007] Preferably, the upper surface of the conductive block is fixedly connected with an insulating plate, and one side surface of the insulating plate is fixedly connected with a handle.
[0008] Preferably, the side surface of the heating box is engraved with a scale line, the scale line is located at one side of the sliding groove, a pointer is arranged above the scale line, and the pointer is fixedly connected with the front side surface of the conductive block.
[0009] Preferably, the lower surface of the heating box is fixedly connected with a supporting plate, and the lower end of the supporting plate is fixedly connected with a supporting seat, and the supporting seat is fixedly connected with the inner wall of the sampling box.
[0010] Preferably, the lower end of the conductive block is provided with an arc-shaped concave surface, and a plurality of groups of conductive balls are arranged in the arc-shaped concave surface, and the conductive balls are in contact with the heating coil.
[0011] The low-temperature tank car reheat sampling device has the following beneficial effects compared with the prior art:
[0012] 1. The heating box arranged in the sampling box and the heating pipe arranged in the heating box, the heating coil sleeved with the side surface of the heating pipe and the power supply assembly on one side of the heating box are cooperated, the problem that the traditional low-temperature tank car causes frost and freezing on the analysis pipeline during sampling is solved, the analysis pipeline is prevented from being blocked, the trouble in the low-temperature liquid sampling analysis process is reduced, and the efficiency of low-temperature liquid detection is further improved.
[0013] 2. The sliding groove arranged on the side surface of the heating box, the conductive block slidingly connected with the sliding groove, the insulating plate fixedly connected with the upper surface of the conductive block and the handle fixedly connected with the side surface of the insulating plate can conveniently adjust the position of the conductive block, so that different low-temperature liquids can be heated, the use flexibility of the sampling device is further improved, the application range is expanded, and the practicability of the sampling device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is an internal structural schematic view of the sampling box in the utility model;
[0016] Figure 3 It is Figure 2 It is an enlarged structural schematic view of A in the utility model;
[0017] Figure 4 It is a structural schematic view of the heating box in the utility model.
[0018] As shown in the figure: 1, tank truck; 2, sampling box; 201, box door; 202, controller; 203, wire; 204, heating box; 2042, heating coil; 2043, heating tube; 205, chute; 206, tee joint; 207, pipe joint; 208, support seat; 209, supporting plate; 2010, power supply; 2011, scale; 3, conductive block; 301, pointer; 302, handle; 303, insulating plate; 4, liquid outlet pipe; 5, liquid inlet pipe. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0020] Please refer to Figures 1-4 The utility model provides a technical scheme: low temperature tank truck reheat sampling device, including tank truck 1, one end of tank truck 1 is fixedly connected with sampling box 2, and the surface of one side of sampling box 2 is installed with box door 201, the inside of sampling box 2 is equipped with heating box 204, and the inside of heating box 204 is installed with heating tube 2043, and the outside surface of heating tube 2043 is equipped with heating coil 2042, and the both ends of heating coil 2042 are fixedly connected with the inner wall of the both ends of heating box 204, one end of heating tube 2043 is fixedly connected with liquid inlet pipe 5, and one end of liquid inlet pipe 5 is fixedly connected with tank truck 1 through heating box 204 and sampling box 2, the other end of heating tube 2043 is fixedly connected with liquid outlet pipe 4, and one end of liquid outlet pipe 4 is fixedly connected with tee joint 206 through heating box 204, one end of tee joint 206 is fixedly connected with pipe joint 207, the side surface of heating box 204 is fixedly connected with chute 205, and the inside of chute 205 is slidably connected with conductive block 3, the lower surface of conductive block 3 is in contact with heating coil 2042, and one side of heating box 204 is equipped with power supply assembly.
[0021] As a technical optimization scheme of the utility model, the power supply assembly includes power supply 2010, and the power supply 2010 is connected with the controller 202 through the wire, the upper surface of the controller 202 is fixedly connected with two groups of wires 203, and the two groups of wires 203 are fixedly connected with one side surface of the conductive block 3 and one end of the heating coil 2042 respectively. The heating coil 2042 can be heated through the power supply assembly, so that the heating tube 2043 is heated through the heating coil 2042, and thus the analysis instrument pipe is prevented from freezing during detection.
[0022] As a technical optimization scheme of the utility model, the upper surface of the conductive block 3 is fixedly connected with an insulating plate 303, one side surface of the insulating plate 303 is fixedly connected with a handle 302, the handle 302 and the insulating plate 303 facilitate the staff to adjust the position of the conductive block 3, so that the heating length of the heating coil 2042 to the heating pipe 2043 can be adjusted, and the different low-temperature liquids can be conveniently heated.
[0023] As a technical optimization scheme of the utility model, the side surface of the heating box 204 is engraved with a scale line 2011, the scale line 2011 is located at one side of the sliding groove 205, a pointer 301 is arranged above the scale line 2011, and the pointer 301 is fixedly connected with the front side surface of the conductive block 3, so that the staff can conveniently and accurately adjust the moving distance of the conductive block 3 to heat the different low-temperature liquids through the pointer 301 and the scale line 2011.
[0024] As a technical optimization scheme of the utility model, the lower surface of the heating box 204 is fixedly connected with a supporting plate 209, and the lower end of the supporting plate 209 is fixedly connected with a supporting seat 208, and the supporting seat 208 is fixedly connected with the inner wall of the sampling box 2, so that the stability of the heating box 204 can be improved through the supporting seat 208 and the supporting plate 209.
[0025] As a technical optimization scheme of the utility model, the lower end of the conductive block 3 is provided with an arc-shaped concave surface, and a plurality of conductive balls are arranged in the arc-shaped concave surface, and the conductive balls are in contact with the heating coil 2042, so that the abrasion of the heating coil 2042 can be reduced through the conductive balls arranged in the arc-shaped concave surface at the lower end of the conductive block 3, thereby prolonging the service life of the heating coil 2042.
[0026] In use, when the liquid in the tank truck 1 is sampled and detected, the pipe joint 207 is first connected with the corresponding detector, then the staff powers the heating coil 2042 in the heating box 204 through the controller 202, so that the heating coil 2042 heats the heating pipe 2043, then the staff opens the valve on the tank truck 1 to convey the low-temperature liquid in the tank truck 1 to the inside of the heating pipe 2043 through the liquid inlet pipe 5, at this time, the heating pipe 2043 cools the low-temperature liquid, and the cooled low-temperature liquid is conveyed to the inside of the detector through the liquid outlet pipes 4 and 6 for detection, so that the detector pipe is prevented from being frozen, when different low-temperature liquids are encountered, the staff pushes the insulating plate 303 through the handle 302 according to the cooling requirements of the low-temperature liquid, at this time, the insulating plate 303 drives the conductive block 3 to slide in the sliding groove 205, and the heating time of the low-temperature liquid can be changed, so that the sampling range of the sampling device is improved.
[0027] Meanwhile, the contents not described in detail in the present specification are all the prior art known to those skilled in the art.
[0028] It should be noted that, in the present text, relational terms such as first and second and the like can merely be used to distinguish one entity or action from another, and do not necessarily require or imply that any such actual relationship or order exists between or among the entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the statement "comprises... limited elements" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the elements.
[0029] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A low-temperature tank truck reheat sampling device, comprising a tank truck (1), characterized in that: One end of the tank truck (1) is fixedly connected with a sampling box (2), one side surface of the sampling box (2) is provided with a box door (201), the inside of the sampling box (2) is provided with a heating box (204), the inside of the heating box (204) is provided with a heating pipe (2043), the outside surface of the heating pipe (2043) is provided with a heating coil (2042), both ends of the heating coil (2042) are fixedly connected with the inner walls of both ends of the heating box (204), one end of the heating pipe (2043) is fixedly connected with a liquid inlet pipe (5), one end of the liquid inlet pipe (5) penetrates through the heating box (204) and the sampling box (2) and is fixedly connected with the tank truck (1), the other end of the heating pipe (2043) is fixedly connected with a liquid outlet pipe (4), one end of the liquid outlet pipe (4) penetrates through the heating box (204) and is fixedly connected with a three-way joint (206), one end of the three-way joint (206) is fixedly connected with a pipe joint (207), the side surface of the heating box (204) is fixedly connected with a sliding groove (205), the inside of the sliding groove (205) is slidably connected with a conductive block (3), the lower surface of the conductive block (3) is in contact with the heating coil (2042), one side of the heating box (204) is provided with a power supply assembly.
2. The cryogenic tank truck reheat sampling device of claim 1, wherein: The power supply assembly comprises a power supply (2010), and the power supply (2010) is connected with a controller (202) through wires, the upper surface of the controller (202) is fixedly connected with two groups of wires (203), and the two groups of wires (203) are respectively fixedly connected with one side surface of the conductive block (3) and one end of the heating coil (2042).
3. The cryogenic tank truck reheat sampling device of claim 1, wherein: The upper surface of the conductive block (3) is fixedly connected with an insulating plate (303), and one side surface of the insulating plate (303) is fixedly connected with a handle (302).
4. The cryogenic tank truck reheat sampling device of claim 1, wherein: The side surface of the heating box (204) is engraved with a scale line (2011), and the scale line (2011) is located on one side of the sliding groove (205), the upper side of the scale line (2011) is provided with a pointer (301), and the front side surface of the conductive block (3) is fixedly connected with the pointer (301).
5. The cryogenic tank truck reheat sampling device of claim 1, wherein: The lower surface of the heating box (204) is fixedly connected with a supporting plate (209), and the lower end of the supporting plate (209) is fixedly connected with a supporting seat (208), and the supporting seat (208) is fixedly connected with the inner wall of the sampling box (2).
6. The cryogenic tank truck reheat sampling device of claim 1, wherein: The lower end of the conductive block (3) is provided with an arc-shaped concave surface, and a plurality of conductive balls are installed in the arc-shaped concave surface, and the conductive balls are in contact with the heating coil (2042).