4.6-dihydroxypyrimidine production device capable of uniformly heating

Abstract

The utility model discloses a 4.6-dihydroxypyrimidine production device capable of uniformly heating, which comprises a reaction kettle body, a kettle cover is arranged above the reaction kettle body, a reserved cavity is arranged inside a shell of the reaction kettle body, a water inlet flange and a water outlet flange are arranged on one side of the reaction kettle body, and a water outlet flange is arranged on the other side of the reaction kettle body. The water inlet flange and the water outlet flange are respectively arranged at the lower end and the upper end of the reaction kettle body, a feeding pipe is arranged at the upper end of the kettle cover, the feeding pipe and the kettle cover are connected into a whole, a gear motor is arranged above the center of the kettle cover and is connected with the kettle cover through a screw, a stirring paddle is arranged in the reaction kettle body, and the stirring paddle is connected with the kettle cover through a screw. According to the reaction kettle, a water bath heating mode is adopted, the reaction kettle is completely wrapped by hot water, and the reaction kettle is uniformly heated by the hot water, so that reactants in the reaction kettle absorb heat and are uniformly heated, the heating reaction rate of the reactants is ensured, and the reaction kettle is uniformly heated.

Description

Technical Field

[0001] The utility model relates to the technical field of 4,6-dihydroxypyrimidine production, in particular to a 4,6-dihydroxypyrimidine production device capable of uniform heating. Background Art

[0002] 4,6-Dihydroxypyrimidine is an organic compound belonging to the pyrimidine family. It is a white or off-white crystalline powder that is hygroscopic. Its chemical structure is characterized by a hydroxyl group at the 4th and 6th positions of the pyrimidine ring. This compound is of great significance in biochemistry, especially in the composition of nucleic acids. Because it contains hydroxyl groups and nitrogen heterocycles, uracil can participate in a variety of chemical reactions, including substitution reactions, addition reactions, and acid-base reactions. In organisms, uracil is an important component of RNA and participates in the transmission and expression of genetic information.

[0003] The Chinese patent publication number is CN210410662U, and the authorization announcement date is April 28, 2020. A uniformly heated reactor includes a reactor body and a base. The lower side wall of the reactor body is corrugated. A heating chamber is formed between the lower side walls of the reactor body. A heating wire is provided in the heating chamber. The heating wire is spiral-shaped, and the heating chamber is also filled with a heat-conducting layer. The heat after heating by the electric heating wire is transferred to the reactor body through the heat-conducting layer. The heat-conducting layer is composed of a heat-conducting medium. Silicon dioxide powder is preferably used here. The powder has the characteristics of uniform dispersion and fast thermal conductivity. The heating chamber is filled with a heat-conducting medium. The heat-conducting medium is spread around the heating wire. The upper side of the heat-conducting medium is directly in contact with the lower side wall of the reactor, and the heat generated by the heating wire is quickly and evenly transferred to the reactor body.

[0004] Existing reactor heating methods usually use electric heating, which is prone to local heating. The reactants in the reactor absorb heat unevenly, resulting in different reaction rates of the reactants in the reactor when heated, which greatly affects the accuracy of the reaction of the reactants in the reactor and cannot meet the use requirements. Utility Model Content

[0005] The purpose of the present utility model is to provide a 4,6-dihydroxypyrimidine production device that can be uniformly heated, so as to solve the problem mentioned in the above background technology that the existing reactor heating method usually adopts electric heating, which is prone to local heating and the reactants in the reactor absorb heat unevenly, resulting in different reaction rates of the reactants in the reactor being heated, which greatly affects the accuracy of the reaction of the reactants in the reactor and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a 4.6-dihydroxypyrimidine production device that can be evenly heated, comprising a reactor body, a reactor cover is provided above the reactor body, and the reactor cover is connected to the reactor body by screws, a reserved cavity is provided inside the reactor body shell, a water inlet flange and a water outlet flange are provided on one side of the reactor body, and the water inlet flange and the water outlet flange are connected to the reactor body as a whole, the water inlet flange and the water outlet flange are respectively provided at the lower end and the upper end of the reactor body, and the water inlet flange and the water outlet flange are connected to the reserved cavity, a feeding pipe is provided at the upper end of the reactor cover, and the feeding pipe is connected to the reactor cover as a whole, a reduction motor is provided above the center of the reactor cover, and the reduction motor is connected to the reactor cover by screws, a stirring paddle is provided inside the reactor body, and one end of the stirring paddle is connected to the output end of the reduction motor.

[0007] Preferably, a heat-conducting layer is provided on the inner wall of the reserved cavity, and the heat-conducting layer and the reactor body are integrated. A heat-insulating layer is provided on the outside of the reactor body, and the heat-insulating layer and the reactor body are integrated.

[0008] Preferably, explosion-proof glass is provided on one side of the reactor body, and the explosion-proof glass and the reactor body are integrated.

[0009] Preferably, a temperature sensor is provided on one side of the explosion-proof glass, and the temperature sensor is integrally connected to the reactor body.

[0010] Preferably, a scraper is provided at the bottom of the reactor body, and the scraper is in contact with the bottom of the reactor body. The scraper is provided below the stirring paddle, and the scraper is fixedly connected to the stirring paddle.

[0011] Preferably, a transport rack is provided outside the reactor body, two transport racks are provided, and the transport racks are welded to the reactor body as a whole, and the two transport racks are provided on both sides of the reactor body.

[0012] Preferably, a discharge pipe is provided at the center of the lower end of the reactor body, and the discharge pipe is connected to the reactor body as a whole. Support legs are provided below the reactor body, three support legs are provided, and the support legs are fixedly connected to the reactor body.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model device is provided with a water inlet flange, a water outlet flange, a reserved cavity, a heat-conducting layer, and a heat-insulating layer. Hot water is injected into the reserved cavity from the water inlet flange. The hot water flows in the reserved cavity. The heat-conducting layer quickly absorbs the heat of the hot water and transfers it to the interior of the reactor, heating the 4,6-dihydroxypyrimidine in the reactor. The heated hot water is discharged from the water outlet flange. The water bath heating is more uniform. The heat-insulating layer improves the thermal insulation performance of the reactor shell, reduces heat loss, and indirectly improves heating efficiency.

[0015] 2. The utility model device is provided with a reduction motor, a stirring paddle, and a scraper. The reduction motor drives the stirring paddle to rotate. The rotating stirring paddle stirs the raw materials in the reactor, disperses the raw materials and heats them evenly, thereby improving the heating effect of 4,6-dihydroxypyrimidine. The scraper rotates along the bottom of the reactor body as the stirring paddle rotates, scraping off the 4,6-dihydroxypyrimidine attached to the bottom of the reactor body.

[0016] 3. The utility model device is equipped with a temperature sensor, which measures the temperature of the produced 4,6-dihydroxypyrimidine, making it convenient to adjust according to the actual temperature and improve the heating effect of 4,6-dihydroxypyrimidine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 For the utility model Figure 2 A partial enlarged view of area A;

[0020] Figure 4 This is a diagram showing the connection between the explosion-proof glass, temperature sensor and reactor body of the utility model.

[0021] In the figure: 1. Reactor body; 2. Reactor cover; 3. Feeding pipe; 4. Discharging pipe; 5. Support legs; 6. Transport rack; 7. Reducer motor; 8. Explosion-proof glass; 9. Water inlet flange; 10. Water outlet flange; 11. Temperature sensor; 12. Stirring paddle; 13. Scraper; 14. Reserved cavity; 15. Heat-conducting layer; 16. Heat-insulating layer. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figure 1-4The utility model provides an embodiment: a 4.6-dihydroxypyrimidine production device that can be uniformly heated, comprising a reactor body 1, a reactor cover 2 is provided above the reactor body 1, and the reactor cover 2 is connected to the reactor body 1 by screws, a reserved cavity 14 is provided inside the shell of the reactor body 1, a water inlet flange 9 and a water outlet flange 10 are provided on one side of the reactor body 1, and the water inlet flange 9 and the water outlet flange 10 are connected to the reactor body 1 as a whole, the water inlet flange 9 and the water outlet flange 10 are respectively provided at the lower end and the upper end of the reactor body 1, and the water inlet flange 9 and the water outlet flange 1 0 is communicated with the reserved cavity 14, a feeding pipe 3 is provided at the upper end of the kettle cover 2, and the feeding pipe 3 is connected to the kettle cover 2 as a whole, a reduction motor 7 is provided above the center of the kettle cover 2, and the reduction motor 7 is connected to the kettle cover 2 by screws, a stirring paddle 12 is provided inside the reactor body 1, and one end of the stirring paddle 12 is connected to the output end of the reduction motor 7, a heat conducting layer 15 is provided on the inner wall of the reserved cavity 14, and the heat conducting layer 15 is integrated with the reactor body 1, and a heat insulating layer 16 is provided on the outside of the reactor body 1, and the heat insulating layer 16 is integrated with the reactor body 1.

[0024] During use: the raw materials for producing 4,6-dihydroxypyrimidine are added to the reactor from the feeding pipe 3, and hot water is injected into the reserved cavity 14 from the water inlet flange 9. The hot water flows in the reserved cavity 14, and the heat-conducting layer 15 quickly absorbs the heat of the hot water and transfers it to the interior of the reactor to heat the raw materials in the reactor. The heated hot water is discharged from the water outlet flange 10. A water bath is used for more uniform heating. The reduction motor 7 is turned on to drive the stirring paddle 12 to rotate. The rotating stirring paddle 12 stirs the raw materials in the reactor, disperses the raw materials and heats them evenly, thereby improving the heating effect of 4,6-dihydroxypyrimidine.

[0025] See also Figure 1 and Figure 4 An explosion-proof glass 8 is provided on one side of the reactor body 1, and the explosion-proof glass 8 and the reactor body 1 are integrated. A temperature sensor 11 is provided on one side of the explosion-proof glass 8, and the temperature sensor 11 is connected to the reactor body 1 as a whole. The explosion-proof glass 8 can observe the production status of 4,6-dihydroxypyrimidine in the reactor from the outside. The temperature sensor 11 measures the temperature of the produced 4.6-dihydroxypyrimidine, which is convenient for adjustment according to the actual temperature and improves the heating effect of 4.6-dihydroxypyrimidine.

[0026] See also Figure 2 and Figure 3 A scraper 13 is provided at the bottom of the reactor body 1, and the scraper 13 is in contact with the bottom of the reactor body 1. The scraper 13 is provided below the stirring paddle 12, and the scraper 13 is fixedly connected to the stirring paddle 12. The scraper 13 rotates in contact with the bottom of the reactor body 1 as the stirring paddle 12 rotates, scraping off the 4,6-dihydroxypyrimidine attached to the bottom of the reactor body 1.

[0027] See also Figure 1 A transport rack 6 is provided on the outside of the reactor body 1. There are two transport racks 6, and the transport racks 6 are welded to the reactor body 1 as a whole. The two transport racks 6 are provided on both sides of the reactor body 1. A discharge pipe 4 is provided at the center of the lower end of the reactor body 1, and the discharge pipe 4 is connected to the reactor body 1 as a whole. Support legs 5 are provided below the reactor body 1. There are three support legs 5, and the support legs 5 are fixedly connected to the reactor body 1.

[0028] Working principle: The raw materials for producing 4,6-dihydroxypyrimidine are added to the reactor from the feeding pipe 3, and hot water is injected into the reserved cavity 14 from the water inlet flange 9. The hot water flows in the reserved cavity 14, and the heat-conducting layer 15 quickly absorbs the heat of the hot water and transfers it to the interior of the reactor to heat the raw materials in the reactor. The heated hot water is discharged from the water outlet flange 10. The water bath heating is more uniform. The reduction motor 7 is turned on to drive the stirring paddle 12 to rotate. The rotating stirring paddle 12 stirs the raw materials in the reactor, disperses the raw materials and heats them evenly, thereby improving the heating effect of 4.6-dihydroxypyrimidine; the explosion-proof glass 8 can observe the production status of 4.6-dihydroxypyrimidine in the reactor from the outside, and the temperature sensor 11 measures the temperature of the produced 4.6-dihydroxypyrimidine, which is convenient for adjustment according to the actual temperature, thereby improving the heating effect of 4.6-dihydroxypyrimidine; the scraper 13 rotates along the bottom of the reactor body 1 as the stirring paddle 12 rotates, scraping off the 4.6-dihydroxypyrimidine attached to the bottom of the reactor body 1.

[0029] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A 4,6-dihydroxypyrimidine production device capable of uniform heating, comprising a reaction vessel (1), characterized in that: A kettle cover (2) is provided above the reactor body (1), and the kettle cover (2) is connected to the reactor body (1) by screws. A reserved cavity (14) is provided inside the shell of the reactor body (1). A water inlet flange (9) and a water outlet flange (10) are provided on one side of the reactor body (1), and the water inlet flange (9) and the water outlet flange (10) are connected to the reactor body (1) as a whole. The water inlet flange (9) and the water outlet flange (10) are respectively provided at the lower end and the upper end of the reactor body (1). The reactor body (1) is provided with a stirring paddle (12), and one end of the stirring paddle (12) is connected to the output end of the reduction motor (7).

2. The uniformly heated 4,6-dihydroxypyrimidine production device according to claim 1, characterized in that: A heat-conducting layer (15) is provided on the inner wall of the reserved cavity (14), and the heat-conducting layer (15) and the reaction kettle body (1) are integrated. A heat-insulating layer (16) is provided on the outside of the reaction kettle body (1), and the heat-insulating layer (16) and the reaction kettle body (1) are integrated.

3. The uniformly heated 4,6-dihydroxypyrimidine production device according to claim 1, characterized in that: An explosion-proof glass (8) is provided on one side of the reactor body (1), and the explosion-proof glass (8) and the reactor body (1) are integrated.

4. The uniformly heated 4,6-dihydroxypyrimidine production device according to claim 3, characterized in that: A temperature sensor (11) is provided on one side of the explosion-proof glass (8), and the temperature sensor (11) is integrally connected to the reactor body (1).

5. The uniformly heated 4,6-dihydroxypyrimidine production device according to claim 1, characterized in that: The bottom of the reactor body (1) is provided with a scraper (13), and the scraper (13) is in contact with the bottom of the reactor body (1). The scraper (13) is provided below the stirring paddle (12), and the scraper (13) is fixedly connected to the stirring paddle (12).

6. The uniformly heated 4,6-dihydroxypyrimidine production device according to claim 1, characterized in that: A transport rack (6) is provided outside the reactor body (1), two transport racks (6) are provided, and the transport racks (6) and the reactor body (1) are welded into one body, and the two transport racks (6) are provided on both sides of the reactor body (1).

7. The uniformly heated 4,6-dihydroxypyrimidine production device according to claim 1, characterized in that: A discharge pipe (4) is provided at the center of the lower end of the reactor body (1), and the discharge pipe (4) is connected to the reactor body (1) as a whole. Support legs (5) are provided below the reactor body (1), and there are three support legs (5), which are fixedly connected to the reactor body (1).

Images