CN114733472B - Reaction kettle suitable for multistage reaction - Google Patents

Reaction kettle suitable for multistage reaction Download PDF

Info

Publication number
CN114733472B
CN114733472B CN202210449129.5A CN202210449129A CN114733472B CN 114733472 B CN114733472 B CN 114733472B CN 202210449129 A CN202210449129 A CN 202210449129A CN 114733472 B CN114733472 B CN 114733472B
Authority
CN
China
Prior art keywords
reaction
sample
kettle
outer sleeve
lining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210449129.5A
Other languages
Chinese (zh)
Other versions
CN114733472A (en
Inventor
徐维林
姚鹏飞
宋平
阮明波
宫雪
韩策
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun Institute of Applied Chemistry of CAS
Original Assignee
Changchun Institute of Applied Chemistry of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changchun Institute of Applied Chemistry of CAS filed Critical Changchun Institute of Applied Chemistry of CAS
Priority to CN202210449129.5A priority Critical patent/CN114733472B/en
Publication of CN114733472A publication Critical patent/CN114733472A/en
Application granted granted Critical
Publication of CN114733472B publication Critical patent/CN114733472B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention relates to a reaction kettle suitable for multistage reaction, and belongs to the technical field of reaction kettles. Solves the technical problems that a reaction kettle in the prior art only can provide one reaction environment, and a reaction sample and a solvent have to react in a liquid phase. The invention relates to a reaction kettle suitable for multistage reaction, which comprises an outer sleeve and an inner liner; the outer sleeve comprises an outer sleeve kettle cover, a kettle body, an upper gasket, a lower gasket and a jacking bolt; the lining is arranged in an inner cavity formed by the outer sleeve and comprises a lining kettle cover, a sample platform and an atmosphere raw material groove. The reaction kettle is provided with two different places for the reaction samples and the reaction atmosphere, the mutual influence of the reaction samples and the reaction atmosphere before the reaction is restrained, and the reaction behaviors of a plurality of reaction samples under one atmosphere or the same reaction sample under different atmospheres can be realized by adjusting the number of the sample units and the types of the placed reaction samples, so that the experiment and the production efficiency are greatly improved.

Description

Reaction kettle suitable for multistage reaction
Technical Field
The invention belongs to the technical field of reaction kettles, and particularly relates to a reaction kettle suitable for multistage reaction.
Background
The reaction kettle is a container for physical or chemical reaction, is used for completing various technological processes such as vulcanization, nitration, hydrogenation, hydrocarbylation, polymerization, condensation and the like, and is widely applied to the fields such as petroleum, chemical industry, rubber, pesticides, dyes, medicines, foods and the like.
However, the reaction kettle in the prior art can only provide a reaction environment, after raw materials are mixed, the internal temperature and atmosphere distribution in the reaction process are uniform, and the characteristic enables the reaction kettle to perform only one chemical reaction at a time, so that the efficiency of experiments and production is seriously inhibited. In order to meet different reaction conditions in experiments and production and ensure efficient operation of the experiments and production, various reaction kettles are needed, and resource waste is caused. In addition, the reaction kettle usually has only one inner cavity, and the reaction sample and the solvent need to be mixed in advance, namely the reaction must be carried out in a liquid phase, so that the flexibility and the diversity of the reaction are limited.
Disclosure of Invention
In view of this, the invention provides a reaction kettle suitable for multistage reaction in order to solve the technical problems that a reaction kettle in the prior art only provides one reaction environment and reaction samples and solvents must react in a liquid phase. This reation kettle suitable for multistage reaction can be with reaction atmosphere and reaction sample separation, and under the condition that does not change reation kettle overcoat structure, according to experiment and the different inside lining of production demand design, once accomplishes more reaction process.
The invention solves the problems and adopts the following technical scheme:
The invention relates to a reaction kettle suitable for multistage reaction, which comprises an outer sleeve and an inner liner;
The lining is arranged in an inner cavity formed by the outer sleeve, and comprises a lining kettle cover, a sample platform and an atmosphere raw material groove; the atmosphere raw material tank, the sample platform and the lining kettle cover are sequentially arranged in the inner cavity of the outer sleeve from bottom to top, and are in sealing connection through the outer sleeve; the sample platform consists of N sample units, wherein the sample units are containers with openings at two ends, a baffle is fixed on the inner wall, a sample groove and a plurality of second through holes are formed on the upper surface of the baffle, the cross section area of the sample groove accounts for 20-90% of the cross section area of the baffle, the sum of the cross section areas of the plurality of through holes accounts for 10-80% of the cross section area of the baffle, the ratio of the sum of the cross section areas of the plurality of through holes to the cross section area of the sample groove is greater than or equal to 1:5, and the N sample units are sequentially stacked from bottom to top; the atmosphere raw material tank is a container with an opening at the top end, and the outer contour is matched with the bottom contour of an inner cavity formed by the outer sleeve; the lining kettle cover is a container with an opening at the bottom end, and the outer contour of the lining kettle cover is matched with the top contour of the inner cavity formed by the outer sleeve.
Further, the outer sleeve comprises an outer sleeve kettle cover, a kettle body, an upper gasket, a lower gasket and a jacking bolt; the kettle body is a hollow container with an opening at the top end, and a lower gasket mounting hole is arranged on the bottom surface of the inner cavity; the shape of the lower gasket is matched with the shape of the lower gasket mounting hole, and the lower gasket is mounted in the lower gasket mounting hole; the outer sleeve kettle cover is fixed on the top end opening of the kettle body in a sealing way, the upper surface of the outer sleeve kettle cover is provided with a central through hole, the inner wall of the central through hole is provided with an internal thread matched with a jacking bolt, and the jacking bolt is installed on the central through hole in a threaded fit way; the outer contour of the upper gasket is matched with the size of the top of the inner cavity of the kettle body, the upper gasket is arranged at the top of the inner cavity of the kettle body, the lower surface of the upper gasket is in extrusion contact with the upper surface of the lining kettle cover, and the upper surface is in extrusion contact with the top surface of the inner cavity of the outer sleeve kettle cover.
Further, the kettle body is a cylinder with an opening at the top end, the outer sleeve kettle cover is a cylinder with an opening at the bottom end, the inner wall of the outer sleeve kettle cover is provided with internal threads, the top of the outer wall of the kettle body is provided with external threads, the internal threads are matched with the external threads, and the outer sleeve kettle cover is fixedly connected with the kettle body through threaded matching;
the lining kettle cover, the sample unit and the atmosphere raw material tank are all cylindrical, and the inner diameters are the same, and the outer diameters are the same.
Further, the lower gasket mounting hole is a step hole coaxial with the kettle body, and consists of a first groove arranged on the bottom surface of the inner cavity of the kettle body and a first through hole arranged on the bottom surface of the first groove, the lower gasket consists of a first top plate and a first boss fixed on the lower surface of the top plate, the shape of the first top plate is matched with the shape of the first groove, and the shape of the first boss is matched with the shape of the first through hole.
Furthermore, the materials of the outer sleeve kettle cover, the kettle body, the upper gasket, the lower gasket and the jacking bolts are all stainless steel.
Further, the sample groove is arranged in the middle of the partition plate, and the plurality of second through holes are uniformly distributed around the sample groove.
Further, the sum of the cross-sectional areas of the plurality of through holes accounts for 40% of the cross-sectional area of the partition plate.
Further, the up end and the lower terminal surface of sample unit are equipped with supporting block structure, and two adjacent sample units pass through the block structure block fixedly, and the top of atmosphere raw material groove is equipped with the block structure of the lower terminal surface complex of the sample unit that is bottommost, and both block are connected, and the bottom of inside lining cauldron lid is equipped with the block structure of the up end complex of the sample unit that is topmost, and both block are connected.
Furthermore, the lower end face of the sample unit and the lower end face of the lining kettle cover are both fixed with a first annular boss, and the upper end face of the sample unit and the upper end face of the atmosphere raw material tank are both fixed with a second annular boss;
Or the lower end face of the sample unit and the lower end face of the lining kettle cover are both fixed with second annular bosses, and the upper end face of the sample unit and the upper end face of the atmosphere raw material tank are both fixed with first annular bosses;
The inner diameter of the first annular boss is identical to and aligned with the inner diameter of the sample unit, the outer diameter of the first annular boss is smaller than the outer diameter of the sample unit, the outer diameter of the second annular boss is identical to and aligned with the outer diameter of the sample unit, the inner diameter of the first annular boss is larger than the inner diameter of the sample unit, and the sum of the thicknesses of the first annular boss and the second annular boss is equal to the wall thickness of the sample unit.
Furthermore, the lining kettle cover, the sample platform and the atmosphere raw material tank are all made of polytetrafluoroethylene.
Compared with the prior art, the invention has the following beneficial effects:
1. The reaction kettle suitable for the multistage reaction is provided with two different places for the reaction samples and the reaction atmosphere, so that the mutual influence before the reaction is inhibited, when the reaction is carried out, the solid or liquid volatilized or decomposed at a high temperature contained in the atmosphere raw material tank can be gasified at a certain temperature to carry out gas-solid reaction with the reaction samples in the sample tank, and the reaction behaviors of a plurality of reaction samples under one atmosphere can be realized by adjusting the number of sample units and the types of the placed reaction samples, so that the experimental and production efficiency is greatly improved.
2. Because the reaction kettle suitable for multi-stage reaction has a special structure, different heating modes are adopted to obtain different effects when the reaction kettle is subjected to heat treatment. If the whole reaction kettle is placed in an oven for heating, the temperature and atmosphere in the kettle are uniform, and the environments of different sample units are the same; the reaction kettle is placed in an oil bath or a sand bath, namely, when only the lower half part is heated, a steamer effect is formed in the kettle, and the temperature and the atmosphere concentration in the kettle form gradient change. Therefore, the reaction kettle provided by the invention can meet more complex experiment and production requirements, and has higher flexibility and designability.
3. The reaction kettle suitable for multistage reaction of the invention has no additional complex structure and no other special requirements on experiment or production conditions, and can meet the technological requirements by depending on the existing laboratory or chemical production conditions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a reaction vessel suitable for multistage reaction according to the present invention;
FIG. 2 is a cross-sectional view of a sample cell of a reaction vessel suitable for use in a multistage reaction according to the present invention;
FIG. 3 is a top view of a sample cell of a reaction vessel suitable for use in a multistage reaction according to the present invention;
In the figure, 1, a jacket, 11, a jacket kettle cover, 12, a kettle body, 13, an upper gasket, 14, a lower gasket, 15, a jacking bolt, 2, a lining, 21, a lining kettle cover, 22, a sample platform, 221, a sample tank, 222, a second through hole, 23 and an atmosphere raw material tank.
Detailed Description
For a further understanding of the present invention, preferred embodiments of the invention are described below, but it is to be understood that these descriptions are merely intended to illustrate further features and advantages of the invention, and are not limiting of the claims of the invention.
As shown in fig. 1 and 2, the reaction kettle suitable for multi-stage reaction of the present invention comprises an outer sleeve 1 and an inner liner 2.
The jacket 1 is of an existing structure and comprises a jacket kettle cover 11, a kettle body 12, an upper gasket 13, a lower gasket 14 and a jacking bolt 15.
The tank body 12 is a hollow vessel with an open top, and the shape is not particularly limited, but is preferably a cylinder with an open top. The bottom surface of the inner cavity of the kettle body 12 is provided with a lower gasket mounting hole for mounting the lower gasket 14; preferably, the lower gasket mounting hole is coaxial with the kettle body 12; the lower gasket mounting hole is usually a stepped hole, and is composed of a first groove formed in the bottom surface of the inner cavity of the kettle body 12 and a first through hole formed in the bottom surface of the first groove, and the shapes of the first groove and the first through hole are not particularly limited, and are preferably cylindrical.
The shape of the lower gasket 14 is matched with the shape of the lower gasket mounting hole, and is mounted in the lower gasket mounting hole. Preferably, the lower gasket 14 is composed of a first top plate and a first boss fixed on the lower surface of the top plate, the shape of the first top plate is matched with the shape of the first groove, and the shape of the first boss is matched with the shape of the first through hole.
The outer sleeve kettle cover 11 is fixed on the top end opening of the kettle body 12 in a sealing way. The outer jacket kettle cover 11 is preferably an open-bottomed container, and the shape is not particularly limited, but is preferably an open-bottomed cylinder. The inner contour of the outer cover kettle cover 11 is matched with the outer contour of the top of the kettle body 12, the outer cover kettle cover 11 covers the top of the kettle body 12, and the inner wall of the outer cover kettle cover 11 is contacted with the outer surface of the top of the kettle body 12. The upper surface of overcoat kettle cover 11 is equipped with central through-hole, and the inner wall of this central through-hole is equipped with jack-up bolt 15 complex internal thread, and jack-up bolt 15 passes through screw-thread fit and installs on this central through-hole.
The outer contour of the upper gasket 13 is matched with the size of the top of the inner cavity of the kettle body 12, the upper gasket is arranged at the top of the inner cavity of the kettle body 12, the lower surface of the upper gasket 13 is contacted with the upper surface of the lining kettle cover 21, and the upper surface is contacted with the top surface of the inner cavity of the outer sleeve kettle cover 11.
In the above technical scheme, the materials of the outer sleeve kettle cover 11, the kettle body 12, the upper gasket 13 and the lower gasket 14 are preferably stainless steel.
In the above technical scheme, the inner wall of the outer sleeve kettle cover 11 is provided with internal threads, the top of the outer wall of the kettle body 12 is provided with external threads, the internal threads are matched with the external threads, and the outer sleeve kettle cover 11 is fixedly connected with the kettle body 12 through threaded matching.
In the technical scheme, the lining 2 is arranged in an inner cavity formed by the outer sleeve 1, and the lining 2 comprises a lining kettle cover 21, a sample platform 22 and an atmosphere raw material groove 23; the atmosphere raw material groove 23, the sample platform 22 and the lining kettle cover 21 are sequentially arranged in the inner cavity of the outer sleeve 1 from bottom to top, and are in sealing connection through the outer sleeve 1.
The sample platform 22 is composed of N sample units, wherein N is more than or equal to 1, usually 1-6, and preferably more than 2; the sample unit is a container having two open ends, and the shape is not particularly limited, and preferably a cylindrical shape having two open ends. A partition plate is fixed on the inner wall of the sample unit, a sample groove 221 and a plurality of second through holes 222 are formed in the upper surface of the partition plate, preferably, the sample groove 221 is arranged in the middle of the partition plate, and the second through holes 222 are uniformly distributed around the sample groove 221. The larger the area of the second through holes 222 and the sample grooves 221 is, the better the structural strength of the sample platform 22 is ensured, the cross-sectional area of the sample grooves 221 occupies 20% -90% of the cross-sectional area of the partition plate, the sum of the cross-sectional areas of the plurality of second through holes 222 occupies 10% -80%, preferably 40% of the cross-sectional area of the partition plate, and the ratio of the sum of the cross-sectional areas of the plurality of through holes 222 to the cross-sectional area of the sample grooves 221 is 1:5 or more in order to ensure good circulation of the atmosphere and provide sufficient contact of the atmosphere with the sample. The sample well 221 is used for placing a sample, and the second through hole 222 is used for circulating an atmosphere. N sample units are stacked from bottom to top in sequence, and preferably, the upper end face and the lower end face of each sample unit are provided with matched clamping structures, and two adjacent sample units are clamped and fixed through the clamping structures.
The atmosphere stock tank 23 is a container with an open top, and the outer contour is matched with the bottom contour of the inner cavity formed by the outer sleeve 1. Preferably, the top end of the atmosphere raw material tank 23 is provided with a locking structure matched with the lower end face of the lowest sample unit, and the two structures are in locking connection. The atmosphere stock tank 23 is used to hold chemicals that are capable of forming an atmosphere in an experiment or production.
The lining kettle cover 21 is a container with an opening at the bottom end, and the outer contour is matched with the top contour of the inner cavity formed by the outer sleeve 1. Preferably, the bottom end of the liner kettle cover 21 is provided with a clamping structure matched with the upper end face of the uppermost sample unit, and the two structures are in clamping connection. The liner pot cover 21 covers the uppermost sample unit.
In the above technical solution, it is preferable that the liner kettle cover 21, the sample unit and the raw material tank 23 are all cylindrical, and have the same inner diameter and the same outer diameter. The lower end face of the sample unit and the lower end face of the lining kettle cover 21 are both fixed with first annular bosses, the upper end face of the sample unit and the upper end face of the atmosphere raw material groove 23 are both fixed with second annular bosses, or the lower end face of the sample unit and the lower end face of the lining kettle cover 21 are both fixed with second annular bosses, and the upper end face of the sample unit and the upper end face of the atmosphere raw material groove 23 are both fixed with first annular bosses; the inner diameter of the first annular boss is identical to and aligned with the inner diameter of the sample unit, the outer diameter is smaller than the outer diameter of the sample unit, the outer diameter of the second annular boss is identical to and aligned with the outer diameter of the sample unit, the inner diameter is larger than the inner diameter of the sample unit, and the sum of the thicknesses of the first annular boss and the second annular boss is equal to the wall thickness of the sample unit.
In the above technical solution, the lining pot cover 21, the sample platform 22 and the atmosphere raw material tank 23 are preferably made of polytetrafluoroethylene.
The application method of the reaction kettle suitable for the multistage reaction comprises the following steps: before experiments or production, solid or liquid which can volatilize or decompose at high temperature is put into an atmosphere raw material tank 23, solid samples (different samples or the same sample) are put into each sample unit, then a lower gasket 14 is put into a lower gasket mounting groove of a kettle body 12, the atmosphere raw material tank 23, a sample platform 22 and a lining kettle cover 21 are put into an inner cavity of the kettle body 12 from bottom to top, an upper gasket 13 is pressed, finally an outer sleeve kettle cover 11 is screwed on the kettle body 12, a tightening bolt 15 is screwed downwards, and the upper gasket 13, the lining 2 and the lower gasket 14 are extruded, so that better air tightness is obtained. According to different experimental or production design schemes, different heating modes can be adopted for the reaction kettle. If different solid samples can be put into each sample unit, the whole reaction kettle is placed into an oven for heating and preserving heat for a period of time, after the temperature in the oven is stable, uniform temperature distribution is formed in the reaction kettle, raw materials in the atmosphere raw material tank 23 volatilize or decompose at the temperature, convection is carried out through the second through holes 222 on each sample unit, the raw materials are fully contacted with the samples in the sample tank 221, and reaction occurs, and the temperature in the reaction kettle is uniform, so that the existence state of the atmosphere is uniform, the same experimental environment is provided for different reactions, and experimental or production errors caused by different reaction batches are reduced. The same solid sample can be put into each sample unit, part of the atmosphere raw material tank 23 of the reaction kettle is immersed into the sand bath or the oil bath pot, and is heated and kept for a period of time, after the temperature in the oil bath pot or the sand bath pot is stable, the temperature of the atmosphere raw material tank 23 is the same as the heating temperature, chemicals in the atmosphere raw material tank volatilize or decompose at the temperature, convection is carried out through the second through holes 222 on each sample unit, and the samples in the sample tank 221 are fully contacted for reaction, but the temperature gradient is formed due to the high bottom temperature and low top temperature of the reaction kettle, and the distribution state of the atmosphere in the reaction kettle can be influenced at the same time, so that the effect of the same reaction under different experiment or production conditions can be studied under the condition, and the experiment or production efficiency is greatly improved.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example; the model of the electric appliance provided by the invention is only used as a reference. It is possible for those skilled in the art to replace different types of electrical appliances having the same function according to actual use conditions, and it is possible for those skilled in the art to understand the specific meaning of the above terms in the present invention in a specific case.
It should be apparent that the above embodiments are merely examples for clarity of illustration and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims (10)

1. The reaction kettle suitable for the multistage reaction comprises an outer sleeve (1) and an inner liner (2), and is characterized in that,
The lining (2) is arranged in an inner cavity formed by the outer sleeve (1), and the lining (2) comprises a lining kettle cover (21), a sample platform (22) and an atmosphere raw material tank (23); the atmosphere raw material tank (23), the sample platform (22) and the lining kettle cover (21) are sequentially arranged in the inner cavity of the outer sleeve (1) from bottom to top and are in sealing connection through the outer sleeve (1); the sample platform (22) consists of N sample units, wherein N is more than or equal to 1, the sample units are containers with two open ends, a partition plate is fixed on the inner wall, a sample groove (221) and a plurality of second through holes (222) are formed in the upper surface of the partition plate, the cross section area of the sample groove (221) accounts for 20% -90% of the cross section area of the partition plate, the sum of the cross section areas of the plurality of through holes (222) accounts for 10% -80% of the cross section area of the partition plate, the ratio of the sum of the cross section areas of the plurality of through holes 222 to the cross section area of the sample groove 221 is more than or equal to 1:5, and the N sample units are stacked in sequence from bottom to top; the atmosphere raw material tank (23) is a container with an open top, and the outer contour is matched with the bottom contour of an inner cavity formed by the outer sleeve (1); the lining kettle cover (21) is a container with an opening at the bottom end, and the outer contour is matched with the top contour of the inner cavity formed by the outer sleeve (1).
2. The reaction kettle suitable for multistage reaction according to claim 1, wherein the jacket (1) comprises a jacket kettle cover (11), a kettle body (12), an upper gasket (13), a lower gasket (14) and a jacking bolt (15);
The kettle body (12) is a hollow container with an opening at the top end, and a lower gasket mounting hole is arranged on the bottom surface of the inner cavity; the shape of the lower gasket (14) is matched with the shape of the lower gasket mounting hole, and the lower gasket is mounted in the lower gasket mounting hole; the outer sleeve kettle cover (11) is fixed on the top end opening of the kettle body (12) in a sealing way, the upper surface of the outer sleeve kettle cover (11) is provided with a central through hole, the inner wall of the central through hole is provided with an internal thread matched with the jacking bolt (15), and the jacking bolt (15) is installed on the central through hole in a threaded matching way; the outer contour of the upper gasket (13) is matched with the size of the top of the inner cavity of the kettle body (12), the upper gasket is arranged at the top of the inner cavity of the kettle body (12), the lower surface of the upper gasket (13) is in extrusion contact with the upper surface of the lining kettle cover (21), and the upper surface is in extrusion contact with the top surface of the inner cavity of the outer sleeve kettle cover (11).
3. The reaction kettle suitable for the multistage reaction according to claim 2, wherein the kettle body (12) is a cylinder with an opening at the top end, the outer sleeve kettle cover (11) is a cylinder with an opening at the bottom end, the inner wall of the outer sleeve kettle cover (11) is provided with internal threads, the top of the outer wall of the kettle body (12) is provided with external threads, the internal threads are matched with the external threads, and the outer sleeve kettle cover (11) is fixedly connected with the kettle body (12)) through threaded matching;
The lining kettle cover (21), the sample unit and the atmosphere raw material tank (23) are all cylindrical, and the inner diameters are the same, and the outer diameters are the same.
4. The reaction kettle suitable for multistage reaction according to claim 2, wherein the lower gasket mounting hole is a step hole coaxial with the kettle body (12), and consists of a first groove arranged on the bottom surface of an inner cavity of the kettle body (12) and a first through hole arranged on the bottom surface of the first groove, the lower gasket (14) consists of a first top plate and a first boss fixed on the lower surface of the top plate, the shape of the first top plate is matched with the shape of the first groove, and the shape of the first boss is matched with the shape of the first through hole.
5. The reaction kettle suitable for multistage reaction according to claim 2, wherein the materials of the outer kettle cover (11), the kettle body (12), the upper gasket (13), the lower gasket (14) and the jacking bolts (15) are all stainless steel.
6. The reaction kettle for multistage reaction according to any one of claims 2 to 5, wherein the sample grooves (221) are arranged in the middle of the partition plate, and the plurality of second through holes (222) are circumferentially distributed around the sample grooves (221).
7. The reactor suitable for multistage reactions according to any of claims 2-5, characterized in that the sum of the cross-sectional areas of the plurality of through holes (222) is 40% of the cross-sectional area of the partition plate.
8. The reaction kettle suitable for multistage reaction according to any one of claims 2 to 5, wherein the upper end face and the lower end face of the sample units are provided with matched clamping structures, two adjacent sample units are clamped and fixed through the clamping structures, the top end of the atmosphere raw material tank (23) is provided with a clamping structure matched with the lower end face of the lowest sample unit, the two sample units are clamped and connected, the bottom end of the lining kettle cover (21) is provided with a clamping structure matched with the upper end face of the uppermost sample unit, and the two sample units are clamped and connected.
9. The reaction kettle suitable for the multistage reaction according to claim 8, wherein a first annular boss is fixed on the lower end face of the sample unit and the lower end face of the lining kettle cover (21), and a second annular boss is fixed on the upper end face of the sample unit and the upper end face of the atmosphere raw material tank (23);
Or the lower end face of the sample unit and the lower end face of the lining kettle cover (21) are both fixed with second annular bosses, and the upper end face of the sample unit and the upper end face of the atmosphere raw material tank (23) are both fixed with first annular bosses;
The inner diameter of the first annular boss is identical to and aligned with the inner diameter of the sample unit, the outer diameter of the first annular boss is smaller than the outer diameter of the sample unit, the outer diameter of the second annular boss is identical to and aligned with the outer diameter of the sample unit, the inner diameter of the first annular boss is larger than the inner diameter of the sample unit, and the sum of the thicknesses of the first annular boss and the second annular boss is equal to the wall thickness of the sample unit.
10. The reaction kettle suitable for multistage reaction according to claim 1, wherein the lining kettle cover (21), the sample platform (22) and the atmosphere raw material tank (23) are made of polytetrafluoroethylene.
CN202210449129.5A 2022-04-24 2022-04-24 Reaction kettle suitable for multistage reaction Active CN114733472B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210449129.5A CN114733472B (en) 2022-04-24 2022-04-24 Reaction kettle suitable for multistage reaction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210449129.5A CN114733472B (en) 2022-04-24 2022-04-24 Reaction kettle suitable for multistage reaction

Publications (2)

Publication Number Publication Date
CN114733472A CN114733472A (en) 2022-07-12
CN114733472B true CN114733472B (en) 2024-05-03

Family

ID=82284342

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210449129.5A Active CN114733472B (en) 2022-04-24 2022-04-24 Reaction kettle suitable for multistage reaction

Country Status (1)

Country Link
CN (1) CN114733472B (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008101005A (en) * 2002-05-10 2008-05-01 Mitsubishi Chemicals Corp Decomposition method for ammonium salt
CN101451073A (en) * 2007-12-06 2009-06-10 中国石油化工股份有限公司 Method for combination processing heavy oil by pyrolysis and gasification
CN101870480A (en) * 2010-06-25 2010-10-27 中环(中国)工程有限公司 Method for preparing ammonia gas from urea solid by dry pyrolysis
CN102307972A (en) * 2009-07-10 2012-01-04 海特默研究有限公司 Reactor for generating a product gas by allothermic gasification of carbonaceous raw materials
CN103752228A (en) * 2014-01-23 2014-04-30 内蒙古科技大学 Gas base permeation reactor
CN103773683A (en) * 2012-10-17 2014-05-07 安徽农业大学 Layered-type cell culture plate
CN104913960A (en) * 2015-06-16 2015-09-16 青岛海洋地质研究所 Multifunctional natural gas hydrate synthetic reaction method and device
CN108614077A (en) * 2018-04-28 2018-10-02 中国科学院过程工程研究所 Microreactor and miniature gas-solid thermal response on-line analysis device
CN108804860A (en) * 2018-09-18 2018-11-13 中国石油大学(华东) The impact analysis system and method that Gas chimney generates gas hydrates and is distributed
CN210187116U (en) * 2019-03-29 2020-03-27 郑州博科仪器设备有限公司 Special hydrothermal synthesis reation kettle of high temperature
CN112113807A (en) * 2020-08-19 2020-12-22 中国科学院广州能源研究所 In-situ SEM sampling device and method containing gas hydrate

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008101005A (en) * 2002-05-10 2008-05-01 Mitsubishi Chemicals Corp Decomposition method for ammonium salt
CN101451073A (en) * 2007-12-06 2009-06-10 中国石油化工股份有限公司 Method for combination processing heavy oil by pyrolysis and gasification
CN102307972A (en) * 2009-07-10 2012-01-04 海特默研究有限公司 Reactor for generating a product gas by allothermic gasification of carbonaceous raw materials
CN101870480A (en) * 2010-06-25 2010-10-27 中环(中国)工程有限公司 Method for preparing ammonia gas from urea solid by dry pyrolysis
CN103773683A (en) * 2012-10-17 2014-05-07 安徽农业大学 Layered-type cell culture plate
CN103752228A (en) * 2014-01-23 2014-04-30 内蒙古科技大学 Gas base permeation reactor
CN104913960A (en) * 2015-06-16 2015-09-16 青岛海洋地质研究所 Multifunctional natural gas hydrate synthetic reaction method and device
CN108614077A (en) * 2018-04-28 2018-10-02 中国科学院过程工程研究所 Microreactor and miniature gas-solid thermal response on-line analysis device
CN108804860A (en) * 2018-09-18 2018-11-13 中国石油大学(华东) The impact analysis system and method that Gas chimney generates gas hydrates and is distributed
CN210187116U (en) * 2019-03-29 2020-03-27 郑州博科仪器设备有限公司 Special hydrothermal synthesis reation kettle of high temperature
CN112113807A (en) * 2020-08-19 2020-12-22 中国科学院广州能源研究所 In-situ SEM sampling device and method containing gas hydrate

Also Published As

Publication number Publication date
CN114733472A (en) 2022-07-12

Similar Documents

Publication Publication Date Title
US4882128A (en) Pressure and temperature reaction vessel, method, and apparatus
CN114733472B (en) Reaction kettle suitable for multistage reaction
CA1067856A (en) Electrolysis apparatus
CN107367423A (en) The super micro-wave digestion pre-treating method of high flux based on multielement content in ICPMS and ICPOES analysis food
CN113083188A (en) Energy-saving reaction kettle heat control device and use method thereof
CN214636396U (en) Can quick retort for chemistry and chemical industry of taking a sample
CN208966793U (en) The connection structure of titanium tower and skirt
CN217646385U (en) Energy-saving environment-friendly chemical reaction kettle
CN104150477B (en) A kind of impregnated graphite curing apparatus
CN218189617U (en) Reaction kettle with titanium plate coated carbon steel stirring shaft
CN205020066U (en) Take reation kettle of detachable electromagnetic heating cover
CN112473589A (en) Corrosion-resistant high temperature resistant reaction kettle
CN217567648U (en) Filtering device
CN218326178U (en) Annular seal assembly of stirring kettle
CN215464425U (en) Heating device of reaction kettle
CN209952865U (en) Reaction kettle body
CN211725788U (en) Polymerization tower reactor
CN211098995U (en) Corrosion-resistant high temperature resistant reaction kettle
KR102231480B1 (en) Drain valve of polymerization reactor capable of discharging static electricity
CN216385885U (en) Liquid level monitoring device
CN210303663U (en) Retort and waste liquid reaction system
CN220202052U (en) Embedded high-efficient electrolytic cell
CN219693778U (en) Totally enclosed catalyst drying device
CN219595897U (en) Plant liquid extraction device for plant deodorant
CN2531381Y (en) Modified teflon material digester

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant