A fully anti-corrosion reactor

Abstract

The present invention belongs to the field of ultra-clean test equipment for scientific research and testing, and is particularly a fully corrosion-resistant reactor, comprising a stainless steel sample dissolving bullet shell, a stainless steel shell cover, a polytetrafluoroethylene liner and a polytetrafluoroethylene liner cover. The upper end of the stainless steel sample dissolving bullet shell is integrally formed with a rotary nozzle, the outside of the rotary nozzle is screwed with the stainless steel shell cover, the bottom end of the stainless steel sample dissolving bullet shell is provided with a bottom hole, a polytetrafluoroethylene gasket is placed at the inner bottom end of the stainless steel sample dissolving bullet shell, a polytetrafluoroethylene liner is placed inside the stainless steel sample dissolving bullet shell and the polytetrafluoroethylene liner is located at the upper end of the polytetrafluoroethylene gasket, the upper end of the polytetrafluoroethylene liner is buckled with the polytetrafluoroethylene liner cover, and the upper end of the polytetrafluoroethylene liner cover is provided with a stainless steel clamping ring. The overall structural design of the present invention is reasonable, the quality is good, the performance is high, and it is safe and reliable, so that insoluble substances in scientific research and testing can be digested under high temperature, high corrosion, high pressure and ultra-clean environment, the overall use effect is good, and the practicability is relatively strong.

Description

Technical Field

[0001] The invention belongs to the field of ultra-clean test equipment for scientific research and testing, and particularly relates to a fully anti-corrosion reactor. Background Art

[0002] In laboratory scientific research tests, the dissolution of insoluble substances is generally carried out in a high-temperature, high-corrosion, high-pressure, and ultra-clean environment. However, the sources of test samples (specimens) are scarce, and collection and calibration are difficult. In scientific research tests, sample evaporation and loss are difficult to replicate, and the sample scientific research tests or calibration use femtosecond test instruments with high requirements, representing international standards and the highest domestic standards.

[0003] According to the above scientific research test and verification standard requirements, we propose a fully corrosion-resistant reactor to meet the above scientific research and technical requirements. Summary of the Invention

[0004] In order to solve the above-mentioned problems existing in the prior art, the present invention provides a fully corrosion-resistant reactor with a reasonable overall structural design, good quality, high performance, safety and reliability, so that insoluble substances in scientific research tests can be digested under high temperature, high corrosion, high pressure and ultra-clean environment, with good overall use effect and strong practicality.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a fully corrosion-resistant reactor, comprising a stainless steel sample dissolving bullet shell, a stainless steel shell cover, a polyfluorocarbon gasket and a polyfluorocarbon inner liner, wherein a rotary nozzle is integrally formed on the upper end of the stainless steel sample dissolving bullet shell, a stainless steel shell cover is screwed on the outside of the rotary nozzle, a bottom hole is opened at the bottom end of the stainless steel sample dissolving bullet shell, a polyfluorocarbon gasket is placed at the bottom end of the inner bottom of the stainless steel sample dissolving bullet shell, a polyfluorocarbon inner liner is placed inside the stainless steel sample dissolving bullet shell and the polyfluorocarbon inner liner is located at the upper end of the polyfluorocarbon gasket, a polyfluorocarbon liner cover is buckled on the upper end of the polyfluorocarbon inner liner, a stainless steel clamping ring is provided on the upper end of the polyfluorocarbon liner cover, and the surfaces of the stainless steel sample dissolving bullet shell, the rotary nozzle, the stainless steel shell cover and the stainless steel clamping ring are all coated with a polyfluorocarbon anti-corrosion coating;

[0006] A linear sealing nozzle is integrally formed at the upper end of the PTFE inner liner, a throttling sealing nozzle is integrally formed on the inner side of the bottom end of the PTFE liner cover, and the throttling sealing nozzle is engaged with the inner periphery of the PTFE liner cover, a linear sealing groove is provided at the bottom end of the PTFE liner cover, and the linear sealing groove is engaged with the linear sealing nozzle, and an outer sealing nozzle is integrally formed on the outer side of the bottom end of the PTFE liner cover, and the outer sealing nozzle is engaged with the outer side of the linear sealing nozzle.

[0007] As a preferred technical solution of a fully corrosion-resistant reactor of the present invention, the cross-sections of the linear sealing nozzle and the linear sealing groove are both arc-shaped structures.

[0008] As an optimal technical solution for a fully corrosion-resistant reactor of the present invention, a collar is integrally formed around the bottom of the stainless steel clamping ring, and the collar and the PTFE bladder cover are fitted together, and a convex ring is integrally formed around the upper part of the stainless steel clamping ring, and the convex ring is in contact with the inner wall of the upper end of the stainless steel shell cover.

[0009] As a preferred technical solution of the fully corrosion-resistant reactor of the present invention, the cross-section of the convex ring is a semicircular structure.

[0010] As a preferred technical solution of a fully corrosion-resistant reactor of the present invention, a side hole is opened on one side of the stainless steel shell cover.

[0011] As a preferred technical solution of a fully corrosion-resistant reactor of the present invention, the stainless steel sample dissolving bomb shell, the stainless steel shell cover and the stainless steel clamping ring are all 316 stainless steel components.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The present invention adopts a stainless steel sample dissolving bomb shell and a stainless steel shell cover as the external shell structure, which has excellent high temperature resistance, high pressure resistance, corrosion resistance, and rust resistance. The surface is further coated with a PTFE anti-corrosion coating to improve its anti-corrosion effect. At the same time, a PTFE liner and a PTFE liner cover are used as the internal liner structure, and are further equipped with a PTFE gasket and a stainless steel clamping ring coated with a PTFE anti-corrosion coating for compression, so that the present invention as a whole has high anti-corrosion strength and outstanding comprehensive performance.

[0014] In addition, in the present invention, the PTFE bladder cover and the PTFE bladder are initially throttled and sealed by the throttling sealing nozzle, further linearly sealed by the linear sealing groove and the linear sealing nozzle, and further sealed by the outer sealing nozzle. By adopting the above-mentioned multi-stage sealing structure, the PTFE bladder cover and the PTFE bladder can be sealed from the inside to the outside at multiple levels, with strong overall sealing ability and good sealing effect, which can prevent the acid gas in the PTFE bladder cover and the PTFE bladder from overflowing and causing pollution during the test;

[0015] The overall structural design of the present invention is reasonable, of good quality, high performance, safe and reliable, so that insoluble substances in scientific research tests can be digested under high temperature, high corrosion, high pressure and ultra-clean environment, with good overall use effect and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 Schematic diagram of the external structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the front cross-sectional structure of the present invention;

[0019] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at point A;

[0020] Figure 4 It is a schematic diagram of the explosion structure of the present invention;

[0021] Figure 5 It is a schematic diagram of the explosion cross-section structure of the present invention;

[0022] Figure 6 Schematic diagram of the cross-sectional structure of the stainless steel shell cover of the present invention;

[0023] Figure 7 Schematic diagram of the cross-sectional structure of the polytetrafluoroethylene gasket of the present invention;

[0024] Figure 8 Schematic diagram of the cross-sectional structure of the polytetrafluoroethylene liner of the present invention;

[0025] Figure 9 Schematic diagram of the cross-sectional structure of the polytetrafluoroethylene bladder cover of the present invention;

[0026] Figure 10 It is a schematic diagram of the cross-sectional structure of the stainless steel clamping ring of the present invention.

[0027] In the figure: 1. Stainless steel sample dissolving bomb shell; 2. Rotary nozzle; 3. Stainless steel shell cover; 4. PTFE anti-corrosion coating; 5. Bottom hole; 6. PTFE gasket; 7. PTFE liner; 8. Linear sealing nozzle; 9. PTFE liner cover; 10. Throttling sealing nozzle; 11. Linear sealing groove; 12. External sealing nozzle; 13. Stainless steel clamping ring; 14. Ring; 15. Protruding ring; 16. Side hole. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0029] Example

[0030] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 10The present invention provides the following technical solutions: a fully corrosion-resistant reactor, comprising a stainless steel sample dissolving bullet shell 1, a stainless steel shell cover 3, a polyfluorocarbon gasket 6, a polyfluorocarbon liner 7, a polyfluorocarbon liner cover 9 and a stainless steel pressing ring 13. The upper end of the stainless steel sample dissolving bullet shell 1 is integrally formed with a rotary nozzle 2, and the outer side of the rotary nozzle 2 is screwed with the stainless steel shell cover 3. The bottom end of the stainless steel sample dissolving bullet shell 1 is provided with a bottom hole 5, and a polyfluorocarbon gasket 6 is placed at the bottom end of the stainless steel sample dissolving bullet shell 1. A polyfluorocarbon liner 7 is placed inside the stainless steel sample dissolving bullet shell 1 and the polyfluorocarbon liner 7 is located at the upper end of the polyfluorocarbon gasket 6. The polyfluorocarbon liner 7 is located at the upper end of the polyfluorocarbon gasket 6. The upper end is buckled with a PTFE bladder cover 9, and the upper end of the PTFE bladder cover 9 is provided with a stainless steel clamping ring 13. Specifically, the stainless steel sample dissolving bomb shell 1, the stainless steel shell cover 3 and the stainless steel clamping ring 13 are all 316 stainless steel components. The surfaces of the stainless steel sample dissolving bomb shell 1, the rotary nozzle 2, the stainless steel shell cover 3 and the stainless steel clamping ring 13 are coated with a PTFE anti-corrosion coating 4. The bottom of the stainless steel clamping ring 13 is integrally formed with a collar 14, and the collar 14 and the PTFE bladder cover 9 are mutually fitted. The upper part of the stainless steel clamping ring 13 is integrally formed with a convex ring 15, and the convex ring 15 is in contact with the stainless steel shell cover 3. The inner walls of the upper ends are in contact with each other. Specifically, the cross-section of the convex ring 15 is a semicircular structure. Specifically, a side hole 16 is provided on one side of the stainless steel shell cover 3. The bottom hole 5 is opened to facilitate the PTFE liner 7 and the PTFE liner cover 9 inside the stainless steel sample dissolving bomb shell 1 to be pushed out, which is more convenient to use. The PTFE gasket 6 is provided to facilitate the elastic buffering of the bottom of the PTFE liner 7 in the stainless steel sample dissolving bomb shell 1 to prevent the PTFE liner 7 from being crushed, which is safer to use. The stainless steel pressing ring 13 is provided to prevent the pressure applied by the stainless steel shell cover 3 to the PTFE liner cover 9 around It is more balanced, preventing the PTFE bladder cover 9 from being crushed, and is safer to use. The setting of the collar 14 allows the bottom of the stainless steel clamping ring 13 to be connected to the PTFE bladder cover 9. The setting of the convex ring 15 can reduce the contact surface between the upper end of the stainless steel clamping ring 13 and the upper inner wall of the stainless steel shell cover 3, reducing the friction between the stainless steel clamping ring 13 and the stainless steel clamping ring 13 when screwing, making it more convenient to use. The setting of the side hole 16 and the special tool steel rod are used to screw the stainless steel shell cover 3 together, tightening and unscrewing, making the operation more labor-saving and more convenient to use.

[0031] The upper end of the PTFE inner liner 7 is integrally formed with a linear sealing nozzle 8, the inner side of the bottom end of the PTFE liner cover 9 is integrally formed with a throttling sealing nozzle 10, and the throttling sealing nozzle 10 and the inner periphery of the PTFE liner cover 9 are mutually engaged, the bottom end of the PTFE liner cover 9 is provided with a linear sealing groove 11, and the linear sealing groove 11 and the linear sealing nozzle 8 are mutually engaged, the outer side of the bottom end of the PTFE liner cover 9 is integrally formed with an outer sealing nozzle 12, and the outer sealing nozzle 12 and the outer side of the linear sealing nozzle 8 are mutually engaged. Specifically, the cross-sections of the linear sealing nozzle 8 and the linear sealing groove 11 are both arc-shaped structures.

[0032] In this embodiment, the present invention adopts a stainless steel sample dissolving bomb shell 1 and a stainless steel shell cover 3 as the external shell structure, which has excellent high temperature resistance, high pressure resistance, corrosion resistance, and rust resistance, and further adopts a PTFE anti-corrosion coating 4 on its surface to improve its anti-corrosion effect. At the same time, a PTFE liner 7 and a PTFE liner cover 9 are used as the internal liner structure, and are further equipped with a PTFE gasket 6 and a stainless steel clamping ring 13 coated with a PTFE anti-corrosion coating 4 for compression, so that the present invention as a whole has a higher anti-corrosion strength and outstanding comprehensive performance;

[0033] In addition, in the present invention, the PTFE bladder cover 9 and the PTFE bladder 7 are initially throttled and sealed by the throttling sealing nozzle 10, further linearly sealed by the linear sealing groove 11 and the linear sealing nozzle 8, and further sealed by the outer sealing nozzle 12. By adopting the above-mentioned multi-stage sealing structure, the PTFE bladder cover 9 and the PTFE bladder 7 can be sealed from the inside to the outside at multiple levels, with strong overall sealing ability and good sealing effect, which can prevent the acid gas in the PTFE bladder cover 9 and the PTFE bladder 7 from overflowing and causing pollution during the test;

[0034] The overall structural design of the present invention is reasonable, of good quality, high performance, safe and reliable, so that insoluble substances in scientific research tests can be digested under high temperature, high corrosion, high pressure and ultra-clean environment, with good overall use effect and strong practicality.

[0035] In addition, the contents not described in detail in this embodiment are all existing known technologies.

[0036] The use process and working principle of the present invention are as follows: When disassembling the present invention, a special tool steel rod can be inserted into the side hole 16 on one side of the stainless steel shell cover 3, and the stainless steel shell cover 3 can be screwed off. Then, the stainless steel pressing ring 13 can be removed from the PTFE bladder cover 9. Then, the PTFE liner 7 and the PTFE bladder cover 9 inside the stainless steel sample dissolving bomb shell 1 can be pushed upward at the bottom hole 5 at the bottom of the stainless steel sample dissolving bomb shell 1. The PTFE liner 7 and the PTFE bladder cover 9 can be taken out from the interior of the stainless steel sample dissolving bomb shell 1. Then, the PTFE gasket 6 can be taken out from the interior of the stainless steel sample dissolving bomb shell 1. After that, the PTFE bladder cover 9 can be opened.

[0037] When the present invention is used, the various components of the present invention need to be cleaned in advance, and then the test sample and the added acid solution are placed in the PTFE inner liner 7, and the PTFE liner cover 9 is covered and pressed, and then the PTFE gasket 6 is placed in the interior of the stainless steel sample dissolving bomb shell 1, and then the PTFE inner liner 7 and the PTFE liner cover 9 are placed in the interior of the stainless steel sample dissolving bomb shell 1, and then the ring 14 of the stainless steel clamping ring 13 is put on the outside of the PTFE liner cover 9, and the convex ring 15 of the stainless steel clamping ring 13 is facing upward, and then the stainless steel shell cover 3 is tightened with a special tool steel rod, and finally the present invention as a whole is placed on the electric hot plate in the oven for digestion under high temperature, high corrosion, high pressure and ultra-clean environment. After the scientific research test is completed, the various components of the present invention need to be disassembled and cleaned, and then dried and stored.

[0038] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A fully corrosion-resistant reactor, characterized by: The invention comprises a stainless steel sample dissolving bullet shell (1), a stainless steel shell cover (3), a polyfluorocarbon gasket (6), a polyfluorocarbon liner (7) and a polyfluorocarbon liner cover (9); the upper end of the stainless steel sample dissolving bullet shell (1) is integrally formed with a rotary nozzle (2); the outer portion of the rotary nozzle (2) is screwed with the stainless steel shell cover (3); the bottom end of the stainless steel sample dissolving bullet shell (1) is provided with a bottom hole (5); the inner bottom end of the stainless steel sample dissolving bullet shell (1) is provided with a polyfluorocarbon gasket (6); the inner portion of the stainless steel sample dissolving bullet shell (1) is provided with a polyfluorocarbon liner (7) and the polyfluorocarbon liner (7) is located at the upper end of the polyfluorocarbon gasket (6); the upper end of the polyfluorocarbon liner (7) is buckled with the polyfluorocarbon liner cover (9); the upper end of the polyfluorocarbon liner cover (9) is provided with a stainless steel pressing ring (13); the surfaces of the stainless steel sample dissolving bullet shell (1), the rotary nozzle (2), the stainless steel shell cover (3) and the stainless steel pressing ring (13) are all coated with a polyfluorocarbon anti-corrosion coating (4); The upper end of the PTFE inner liner (7) is integrally formed with a linear sealing nozzle (8), the inner side of the bottom end of the PTFE liner cover (9) is integrally formed with a throttling sealing nozzle (10), and the throttling sealing nozzle (10) and the inner periphery of the PTFE liner cover (9) are mutually engaged, the bottom end of the PTFE liner cover (9) is provided with a linear sealing groove (11), and the linear sealing groove (11) and the linear sealing nozzle (8) are mutually engaged, and the outer side of the bottom end of the PTFE liner cover (9) is integrally formed with an outer sealing nozzle (12), and the outer sealing nozzle (12) and the outer side of the linear sealing nozzle (8) are mutually engaged; The contact portion between the throttling sealing nozzle (10) and the linear sealing nozzle (8) is an arc-shaped stepped structure; The cross sections of the linear sealing nozzle (8) and the linear sealing groove (11) are both arc-shaped structures; The bottom of the stainless steel clamping ring (13) is integrally formed with a collar (14), and the collar (14) and the PTFE bladder cover (9) are fitted together. The upper part of the stainless steel clamping ring (13) is integrally formed with a convex ring (15), and the convex ring (15) is in contact with the inner wall of the upper end of the stainless steel shell cover (3). The cross section of the convex ring (15) is a semicircular structure.

2. A fully corrosion-resistant reactor according to claim 1, characterized in that: A side hole (16) is provided on one side of the stainless steel shell cover (3).

3. The fully corrosion-resistant reactor according to claim 1, characterized in that: The stainless steel sample dissolving bomb shell (1), the stainless steel shell cover (3) and the stainless steel pressing ring (13) are all 316 stainless steel components.

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