Liquid ammonia sampling device

A sampling device and liquid ammonia technology, applied in the field of liquid ammonia, can solve the problems of cumbersome process, human error, danger, etc., and achieve the effect of simple sampling process and changing contact distance.

Pending Publication Date: 2021-11-16
营口德瑞化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to test the impurity components in liquid ammonia, it is usually necessary to sample the liquid ammonia before testing to determine whether the liquid ammonia can be used. At present, there are mainly two methods for sampling liquid ammonia, steel cylinder sampling and Lysenko bottle sampling. However When sampling steel cylinders, it is necessary to ensure that the extracted liquid ammonia cannot exceed 80% of the volume of the steel cylinders, so it is necessary to weigh the steel cylinders before and after sampling to ensure its safety. Human error leads to danger, so we propose a liquid ammonia sampling device

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0078] The embodiment of the present invention discloses a liquid ammonia sampling device, comprising:

[0079] Base 1, a steel cylinder sampling tank 101 and a liquid ammonia temporary storage tank 102 are arranged above the connecting plate 112 of the base 1, four pulleys 103 are fixedly connected to the lower surface of the base 1, and a sealing cover is arranged above the steel cylinder sampling tank 101. The upper surface is provided with a liquid outlet valve 105 and a liquid inlet valve 106, and one end of the liquid inlet valve 106 is connected with a liquid nitrogen transfer seat 108;

[0080] The connecting plate 112 is slidably connected to the inner wall of the base 1, the lower surface of the connecting plate 112 is fixedly connected with the extrusion spring 301, and an inductor 506 is arranged below the connecting plate 112;

[0081] Blocking the liquid limiting assembly 2, the blocking liquid limiting assembly 2 includes a blocking block 201 and a cylinder 203,...

Embodiment 2

[0093] The embodiment of the present invention discloses a liquid ammonia sampling device, comprising:

[0094] Base 1, a steel cylinder sampling tank 101 and a liquid ammonia temporary storage tank 102 are arranged above the connecting plate 112 of the base 1, four pulleys 103 are fixedly connected to the lower surface of the base 1, and a sealing cover is arranged above the steel cylinder sampling tank 101. The upper surface is provided with a liquid outlet valve 105 and a liquid inlet valve 106, and one end of the liquid inlet valve 106 is connected with a liquid nitrogen transfer seat 108;

[0095] The connection plate 112 is slidably connected to the inner wall of the base 1, the lower surface of the connection plate 112 is fixedly connected with the extrusion spring 301, and the sensor 506 is arranged under the connection plate 112; Block 201 and cylinder 203, block block 201 is slidably connected on the inner wall of liquid nitrogen transfer seat 108;

[0096] The slid...

Embodiment 3

[0106] The embodiment of the present invention discloses a liquid ammonia sampling device, comprising:

[0107]Base 1, a steel cylinder sampling tank 101 and a liquid ammonia temporary storage tank 102 are arranged above the connecting plate 112 of the base 1, four pulleys 103 are fixedly connected to the lower surface of the base 1, and a sealing cover is arranged above the steel cylinder sampling tank 101. The upper surface is provided with a liquid outlet valve 105 and a liquid inlet valve 106, and one end of the liquid inlet valve 106 is connected with a liquid nitrogen transfer seat 108;

[0108] The connection plate 112 is slidably connected to the inner wall of the base 1, the lower surface of the connection plate 112 is fixedly connected with the extrusion spring 301, and the sensor 506 is arranged under the connection plate 112; Block 201 and cylinder 203, block block 201 is slidably connected on the inner wall of liquid nitrogen transfer seat 108;

[0109] The slidi...

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Abstract

The invention relates to a liquid ammonia sampling device, and relates to the field of liquid ammonia. The liquid ammonia sampling device comprises a base, a steel cylinder sampling tank and a liquid ammonia temporary storage tank are arranged above the base, four pulleys are fixedly connected to the lower surface of the base, a sealing cover is arranged above the steel cylinder sampling tank, a liquid outlet valve and a liquid inlet valve are arranged on the upper surface of the sealing cover, and one end of the liquid inlet valve is connected with a liquid nitrogen transfer seat. According to the liquid ammonia sampling device, under the action of the shielding liquid limiting assembly, when appropriate liquid ammonia is stored in the steel cylinder sampling tank and redundant liquid ammonia enters the liquid ammonia temporary storage tank, the situation that the steel cylinder sampling tank is unstable due to excessive filling of liquid ammonia, and consequently danger is generated is avoided, and under the action of the sliding assembly, when the amount of liquid ammonia in the steel cylinder sampling tank reaches a specified amount, an alarm is given, so that personnel are reminded, and errors caused by manual and autonomous judgment are avoided.

Description

technical field [0001] The invention relates to the technical field of liquid ammonia, in particular to a liquid ammonia sampling device. Background technique [0002] Liquid ammonia, also known as anhydrous ammonia, is a colorless liquid with a strong pungent odor. Ammonia is an important chemical raw material. For the convenience of transportation and storage, gaseous ammonia is usually pressurized or cooled to obtain liquid ammonia. Ammonia is easily soluble in water, and when dissolved in water, it forms ammonium ion NH4+ and hydroxide ion OH-, which is an alkaline alkaline solution. Liquid ammonia is mostly stored in pressure-resistant steel cylinders or steel tanks, and cannot coexist with acetaldehyde, acrolein, boron and other substances. Liquid ammonia is widely used in industry, is corrosive and easy to volatilize, so its chemical accident rate is very high. [0003] In order to test the impurity components in liquid ammonia, it is usually necessary to sample th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10G08B21/18
CPCG01N1/10G08B21/18
Inventor 刘子程王兴海吴丹曲磊刘兴泰白杨刘进波王茹
Owner 营口德瑞化工有限公司
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