IGCC-based quantitative sampling tool used in fuel analysis process
By designing a quantitative sampling tool with a rotary adjustment cylinder and an adjustment plate in IGCC fuel analysis, the problem of inaccurate sample weighing in the prior art is solved, and the precise sampling and accuracy of the sample is achieved, preventing the sample from falling and improving the The reliability of the collection process is achieved.
Patent Information
- Application Number
- CN202310802273.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-30
- Publication Date
- 2024-12-31
AI Technical Summary
During the existing IGCC fuel analysis, sample weighing depends on drug spoons, which is limited in quantitation and difficult to be accurate, resulting in insufficient sampling accuracy.
A quantitative sampling tool including a sampling cylinder, an adjustment cylinder and an adjustment plate is designed. By rotating the adjustment cylinder, the threaded connection shaft and the internal thread groove are driven to cooperate, and the adjustment plate moves the axial direction in the inner cavity of the sampling cylinder, and the sampling cylinder volume is accurately adjusted. Quantitative sampling is achieved and equipped with a weighing sensor and display screen for improved accuracy.
The precise quantity sampling of samples in IGCC fuel analysis is achieved, ensuring the accuracy of sampling, and preventing the sample from spilling through scrapers and chutes, improving the reliability and accuracy of the collection process.
Smart Images
Figure CN119223665A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of coal quality analysis, in particular to an IGCC-based quantitative sampling tool used in a fuel analysis process. Background Art
[0002] IGCC, or integrated coal gasification combined cycle power generation system, is an advanced power system that combines coal gasification technology with efficient combined cycle. IGCC consists of two parts, namely the coal gasification and purification part and the gas-steam combined cycle power generation part. The main equipment of the first part includes gasifier, air separation unit, gas purification equipment (including sulfur recovery device); the main equipment of the second part includes gas turbine power generation system, waste heat boiler, steam turbine power generation system. The process of IGCC is as follows: coal is gasified into medium and low calorific value coal gas, which is purified to remove pollutants such as sulfide, nitride, dust, etc. in the coal gas and becomes clean gas fuel, which is then sent to the combustion chamber of the gas turbine for combustion, heating the gas working medium to drive the gas turbine to work, and the gas turbine exhaust enters the waste heat boiler to heat the feed water, generating superheated steam to drive the steam turbine to work.
[0003] In the coal quality analysis process of IGCC fuel analysis, most items such as total moisture, industrial analysis, total sulfur, and calorific value determination require accurate weighing of the sample weight. The existing sample weighing is collected by a medicine spoon. Since the existing medicine spoon is quantitative, only the amount set by the medicine spoon can be weighed at one time. When the weighed amount exceeds the amount set by the medicine spoon, it needs to be repeatedly increased and decreased to reach the required number of grams. As a result, the purpose of accurate quantification cannot be achieved during the collection process of the medicine spoon, affecting the accuracy of sampling. Summary of the invention
[0004] The purpose of the present invention is to provide a quantitative sampling tool based on IGCC for use in the fuel analysis process, so as to solve the problem that the existing sample weighing is carried out by collecting samples through a medicine spoon as mentioned in the above background technology. Since the existing medicine spoon is quantitative, only the amount set by the medicine spoon can be weighed at one time. When the weighed amount exceeds the amount set by the medicine spoon, it needs to be repeatedly increased and decreased to reach the required number of grams. As a result, the purpose of accurate quantification cannot be achieved during the collection process of the medicine spoon, which affects the accuracy of sampling.
[0005] To achieve the above object, the present invention provides the following technical solution: a quantitative sampling tool used in a fuel analysis process based on IGCC, comprising:
[0006] A sampling cylinder, wherein the inner cavity of the sampling cylinder is provided with a connecting sleeve, and the inner cavity side wall of the connecting sleeve is provided with an internal thread groove;
[0007] An adjusting cylinder, wherein the adjusting cylinder is arranged on the outer circumferential wall of the sampling cylinder, and the inner cavity of the adjusting cylinder is provided with a threaded connecting shaft, and the threaded connecting shaft matches the inner thread groove;
[0008] An adjusting plate, wherein a connecting ring is arranged at the bottom of the adjusting plate, the connecting ring is connected to the threaded connecting shaft, and the adjusting plate is arranged in the inner cavity of the sampling tube.
[0009] Preferably, a handle is provided on the circumferential outer wall of the sampling tube, and a sliding groove is provided on the top of the handle.
[0010] Preferably, a hanging ring is provided on the top of the handle, and the hanging ring passes through the bottom of the handle.
[0011] Preferably, a threaded hole is formed through the circumferential outer wall of the adjusting cylinder.
[0012] Preferably, a scraper is provided on the top of the sampling tube, a connecting plate is provided on the circumferential outer side wall of the scraper, a sliding block is provided at the bottom of the connecting plate, and the sliding block matches the sliding groove.
[0013] Preferably, a weighing sensor is also provided on the top of the adjustment plate.
[0014] Preferably, a connection hole is formed through the top edge of the adjustment plate, and a first wire passing hole is formed through the top of the adjustment plate.
[0015] Preferably, a weighing plate is arranged on the top of the adjusting plate, the bottom of the weighing plate contacts the top of the weighing sensor, and a connecting shaft is arranged on the bottom of the weighing plate, and the connecting shaft corresponds to the connecting hole.
[0016] Preferably, a display screen is provided on the top of the connecting plate, and the display screen is electrically connected to the weighing sensor.
[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the quantitative sampling tool based on IGCC used in the fuel analysis process drives the threaded connection shaft to rotate by rotating the adjustment cylinder, and the cooperation between the threaded connection shaft and the internal thread groove drives the adjustment plate to move along the axial direction of the sampling cylinder in the inner cavity of the sampling cylinder, and the capacity of the sampling cylinder is adjusted by moving the adjustment plate, and the volume of the sampling cylinder can be accurately changed according to needs to achieve the purpose of quantitative measurement and ensure the accuracy of sampling. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the present invention;
[0019] Figure 2 This is a schematic diagram of the installation of the adjustment cylinder and the adjustment plate of the present invention;
[0020] Figure 3 This is a schematic diagram of the structure of the sampling tube of the present invention;
[0021] Figure 4 This is a schematic diagram of the installation of the sampling tube and the connecting sleeve of the present invention;
[0022] Figure 5 This is a schematic diagram of the structure of the adjustment plate of the present invention;
[0023] Figure 6 This is a schematic diagram of the scraper structure of the present invention;
[0024] Figure 7 This is a schematic diagram of the installation of the adjustment plate and the weighing sensor of the present invention;
[0025] Figure 8 This is a schematic diagram of the installation of the adjustment plate and the weighing plate of the present invention;
[0026] Fig. 9 It is a schematic diagram of the weighing plate structure of the present invention;
[0027] Fig.10 This is a schematic diagram of the installation of the connecting plate and the display screen of the present invention.
[0028] In the figure: 100 sampling tube, 110 handle, 111 slide groove, 112 hanging ring, 120 connecting sleeve, 121 internal thread groove, 200 adjusting tube, 201 threaded hole, 210 threaded connecting shaft, 300 adjusting plate, 301 connecting hole, 302 first wire hole, 310 connecting ring, 320 weighing sensor, 400 scraper, 410 connecting plate, 411 slider, 412 display screen, 500 weighing plate, 510 connecting shaft. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0030] The present invention provides a quantitative sampling tool used in the fuel analysis process based on IGCC. The threaded connection shaft is driven to rotate by rotating the adjusting cylinder. The threaded connection shaft and the internal thread groove are used in cooperation to drive the adjusting plate to move along the axial direction of the sampling cylinder in the inner cavity of the sampling cylinder. The capacity of the sampling cylinder is adjusted by moving the adjusting plate. The volume of the sampling cylinder can be accurately changed according to needs to achieve the purpose of quantitative measurement and ensure the accuracy of sampling. Please refer to Figure 1-2 , comprising: a sampling cylinder 100, an adjusting cylinder 200 and an adjusting plate 300;
[0031] See also Figure 1-2 and Figure 4-5 The inner cavity of the sampling tube 100 is provided with a connecting sleeve 120, and an inner thread groove 121 is provided on the inner cavity side wall of the connecting sleeve 120. The adjusting tube 200 is arranged on the outer circumferential wall of the sampling tube 100. The inner cavity of the adjusting tube 200 is provided with a threaded connecting shaft 210, and the threaded connecting shaft 210 matches the inner thread groove 121. A connecting ring 310 is provided at the bottom of the adjusting plate 300, and the connecting ring 310 is connected to the threaded connecting shaft 210. The adjusting plate 300 is arranged in the inner cavity of the sampling tube 100, and a threaded hole 201 is provided on the outer circumferential wall of the adjusting tube 200. The adjusting tube 200 is sleeved on the bottom of the outer circumferential wall of the sampling tube 100, and the inner wall of the adjusting tube 200 and the outer circumferential wall of the sampling tube 100 are connected. The threaded connecting shaft 210 matches the internal thread groove 121. The threaded connecting shaft 210 is inserted from the bottom of the sampling tube 100 into the inner side of the internal thread groove 121. The threaded connecting shaft 210 is installed on the inner side of the connecting sleeve 120 through a threaded connection. The threaded connecting shaft 210 passes through the connecting sleeve 120 and is arranged in the inner cavity of the sampling tube 100. The connecting ring 310 is installed on the circumferential outer wall of the threaded connecting shaft 210 through a bearing. The connecting ring 310 is coaxially integrated at the bottom of the adjusting plate 300. The adjusting plate 300 is installed at the end of the threaded connecting shaft 210 through the connecting ring 310. The adjusting plate 300 is coaxially installed in the inner cavity of the sampling tube 100. The circumferential outer wall of the adjusting plate 300 is aligned with the inner cavity of the sampling tube 100. The side walls of the inner cavity are in contact with each other, and the adjusting plate 300 can move axially along the sampling cylinder 100 in the inner cavity of the sampling cylinder 100. The locking bolt is installed on the circumferential outer wall of the adjusting cylinder 200 through the threaded hole 201, and the adjusting cylinder 200 is fixed on the circumferential outer wall of the sampling cylinder 100 through the locking bolt. During specific use, the worker first loosens the locking bolt to contact the locking between the adjusting cylinder 200 and the sampling cylinder 100, and manually rotates the adjusting cylinder 200. The threaded connecting shaft 210 is driven to rotate by the adjusting cylinder 200. The threaded connecting shaft 210 can move axially along the inner side of the connecting sleeve 120 through the threaded connection, and the adjusting plate 300 is driven by the threaded connecting shaft 210 to rotate in the sampling cylinder 1 The inner cavity of the sampling tube 100 moves along the axial direction of the sampling tube 100. The inner cavity side wall of the sampling tube 100 is also provided with a scale. The position of the adjustment plate 300 is determined by the scale, so as to achieve the purpose of adjusting the capacity of the sampling tube 100. The sample is collected through the sampling tube 100. The sample fills the inner cavity of the sampling tube 100 with the sample to obtain the sample of grams. The volume of the sampling tube can be accurately changed according to the needs to achieve the purpose of quantitative measurement and ensure the accuracy of sampling. The sampling tool is made of Ti-6Al-4V titanium alloy and manufactured using CNC technology. Its tensile strength exceeds 1000Mpa of the sampling tube, which is 4 times that of carbon steel, and its density is only 60% of that of steel. While ensuring durability, it maximizes the accuracy of weighing;
[0032] See also Figure 1 , Figure 3 and Figure 6 A handle 110 is provided on the circumferential outer wall of the sampling barrel 100, a slide groove 111 is provided on the top of the handle 110, a scraper 400 is provided on the top of the sampling barrel 100, a connecting plate 410 is provided on the circumferential outer wall of the scraper 400, a slider 411 is provided at the bottom of the connecting plate 410, and the slider 411 matches the slide groove 111. The handle 110 is integrally formed at the top of the circumferential outer wall of the sampling barrel 100, the connecting plate 410 is integrally formed on the circumferential outer wall of the scraper 400, and the slider 411 is integrally formed on the bottom of the connecting plate 410 away from the scraper 400. The slider 411 is clamped on the inner side of the slide groove 111, and the slider 411 can move along the length direction of the handle 110 on the inner side of the slide groove 111. The connecting plate 410 is movably installed on the top of the handle 110 through the slider 411, and the scraper 400 is The connecting plate 410 is movably installed on the top of the handle 110. When in use, the staff holds the handle 110, extends the sampling tube 100 into the sample, and collects the sample through the sampling tube 100. After the sample enters the inner cavity of the sampling tube 100, part of the sample will exceed the top of the sampling tube 100. At this time, the staff manually pushes the connecting plate 410, and drives the scraper 400 to move toward the sampling tube 100 through the connecting plate 410. The part of the sample that exceeds the top of the sampling tube 100 is scraped off by the scraper 400 to ensure the accuracy of sampling. During the sample transfer process, the scraper 400 always covers the top of the sampling tube 100, which can effectively prevent the sample from being spilled, and prevent the sample from being insufficient in gram weight due to the spilling of the sample during the sample transfer process. At the same time, it can also prevent the risk of instrument contamination caused by the spilling of the sample;
[0033] See also Figure 1-2 and Figure 7-10A weighing sensor 320 is also provided on the top of the adjusting plate 300, a connecting hole 301 is opened through the top edge of the adjusting plate 300, a first wire hole 302 is opened through the top of the adjusting plate 300, a weighing plate 500 is provided on the top of the adjusting plate 300, the bottom of the weighing plate 500 contacts the top of the weighing sensor 320, a connecting shaft 510 is provided on the bottom of the weighing plate 500, the connecting shaft 510 corresponds to the connecting hole 301, a display screen 412 is provided on the top of the connecting plate 410, and the display screen 412 is electrically connected to the weighing sensor 320. In order to further ensure the accuracy of sampling, the present invention also provides a weighing plate 500. The weighing plate 500 and the display screen 412, the number of weighing sensors 320 is at least 4, and 6 or 8 can also be set. The weighing sensor 320 is installed in a ring shape at the top edge of the adjustment plate 300. The weighing sensor 320 is a patch type weighing sensor. The wire on the weighing sensor 320 passes through the first wire hole 302. In order to ensure that the wire on the weighing sensor 320 can be connected to the external power supply equipment, a second wire hole is opened on the top of the threaded connection shaft 210, and the second wire hole passes through the bottom of the adjustment cylinder 200. The wire on the weighing sensor 320 passes through the first wire hole 302 and the second wire hole in turn to connect to the external power supply. The weighing sensor 320 is connected to the weighing plate 500 to provide power for the weighing sensor 320. At the same time, for data transmission, the data line passes through the first wire hole 302 and the second wire hole to connect with the weighing sensor 320 and the display screen 412. The weighing plate 500 covers the top of the weighing sensor 320. The weighing plate 500 is coaxially arranged in the inner cavity of the sampling tube 100. The connecting shaft 510 is integrally formed at the bottom of the weighing plate 500. The number of connecting shafts 510 corresponds to the number of connecting holes 301, and the position of the connecting shaft 510 corresponds to the position of the connecting hole 301. The connecting shaft 510 passes through the connecting hole 301 and is plugged into the bottom of the adjusting plate 300. The connecting shaft 510 and the connecting hole 301 are connected by a linear bearing, and the adjusting plate 300 is driven by the adjusting cylinder 200 to adjust the position of the adjusting plate 300 in the inner cavity of the sampling cylinder 100, and the weighing plate 500 is mobilized to move in the inner cavity of the sampling cylinder 100 by the adjusting plate 300, and the position of the weighing plate 500 is adjusted. The purpose of adjusting the inner cavity volume of the sampling cylinder 100 is achieved by adjusting the position of the weighing plate 500, and the sample is collected by the sampling cylinder 100, and the sample enters the inner cavity of the sampling cylinder 100 and contacts the weighing plate 500. The weight of the sample is weighed by the weighing sensor 320 and displayed on the display screen 412, which can further improve the sample collection accuracy;
[0034] See also Figure 1 and Figure 3-4A hanging ring 112 is provided at the top of the handle 110, and the hanging ring 112 passes through the bottom of the handle 110. The hanging ring 112 is provided on the side of the top of the handle 110 away from the sampling tube 100, and the hanging ring 112 passes through the bottom of the handle 110. The hanging ring 112 is sleeved on the hook so that the entire sampling tool can be hung on the hook, which is convenient for storing the tool.
[0035] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed by the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A quantitative sampling tool for use in a fuel analysis process based on IGCC, characterized in that: include: A sampling tube (100), wherein the inner cavity of the sampling tube (100) is provided with a connecting sleeve (120), and an inner thread groove (121) is provided on the inner cavity side wall of the connecting sleeve (120); An adjusting cylinder (200), wherein the adjusting cylinder (200) is arranged on the circumferential outer wall of the sampling cylinder (100), and the inner cavity of the adjusting cylinder (200) is provided with a threaded connecting shaft (210), and the threaded connecting shaft (210) matches the inner thread groove (121); An adjustment plate (300), wherein a connecting ring (310) is disposed at the bottom of the adjustment plate (300), wherein the connecting ring (310) is connected to the threaded connecting shaft (210), and the adjustment plate (300) is disposed in the inner cavity of the sampling tube (100).
2. A quantitative sampling tool for use in a fuel analysis process based on IGCC according to claim 1, characterized in that: A handle (110) is provided on the circumferential outer wall of the sampling tube (100), and a sliding groove (111) is provided on the top of the handle (110).
3. A quantitative sampling tool for use in a fuel analysis process based on IGCC according to claim 2, characterized in that: A hanging ring (112) is provided at the top of the handle (110), and the hanging ring (112) passes through the bottom of the handle (110).
4. A quantitative sampling tool for use in a fuel analysis process based on IGCC according to claim 3, characterized in that: A threaded hole (201) is formed through the circumferential outer wall of the adjusting cylinder (200).
5. A quantitative sampling tool for use in a fuel analysis process based on IGCC according to claim 4, characterized in that: A scraper (400) is arranged on the top of the sampling tube (100), a connecting plate (410) is arranged on the circumferential outer wall of the scraper (400), a sliding block (411) is arranged at the bottom of the connecting plate (410), and the sliding block (411) matches the sliding groove (111).
6. A quantitative sampling tool for use in a fuel analysis process based on IGCC according to claim 5, characterized in that: A weighing sensor (320) is also provided on the top of the adjustment plate (300).
7. A quantitative sampling tool for use in a fuel analysis process based on IGCC according to claim 6, characterized in that: A connection hole (301) is provided through the top edge of the adjustment plate (300), and a first wire passing hole (302) is provided through the top of the adjustment plate (300).
8. A quantitative sampling tool for use in a fuel analysis process based on IGCC according to claim 7, characterized in that: A weighing plate (500) is arranged on the top of the adjustment plate (300), the bottom of the weighing plate (500) contacts the top of the weighing sensor (320), and a connecting shaft (510) is arranged on the bottom of the weighing plate (500), and the connecting shaft (510) corresponds to the connecting hole (301).
9. A quantitative sampling tool for use in a fuel analysis process based on IGCC according to claim 8, characterized in that: A display screen (412) is provided on the top of the connecting plate (410), and the display screen (412) is electrically connected to the weighing sensor (320).