CN213854552U - Press down reation kettle for pellet preparation - Google Patents
Press down reation kettle for pellet preparation Download PDFInfo
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- CN213854552U CN213854552U CN202022727186.4U CN202022727186U CN213854552U CN 213854552 U CN213854552 U CN 213854552U CN 202022727186 U CN202022727186 U CN 202022727186U CN 213854552 U CN213854552 U CN 213854552U
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Abstract
The utility model discloses a reaction kettle for preparing maleic hydrazide, which comprises a kettle body, a motor, a stirring rod, a stirring paddle, a first water nozzle and a first jacket, wherein the motor is fixedly arranged at the top of the kettle body, the stirring rod is fixedly connected with an output shaft of the motor through a shaft coupling, the stirring paddle is fixedly arranged on the side wall of the stirring rod, a fixed plate is fixedly arranged on the side wall of the kettle body close to the upper part, the stirring rod penetrates through a through hole formed on the fixed plate and is rotatably connected with the fixed plate through a bearing, a plurality of through holes are formed on the fixed plate, superheated steam is introduced into the first jacket from the first water nozzle to heat the kettle body, the kettle body is heated by adopting the steam, the heating mode is more uniform and mild relative to a heating wire, the local overheating of a reaction liquid is prevented, the reaction is ensured, the fixed plate is arranged, the position of the stirring rod on the early fixed plate is further limited to be rotatably installed, prevent that the puddler from taking place to rock when the stirring, the life of extension puddler.
Description
Technical Field
The utility model relates to a reation kettle specifically is a press down reation kettle for pellet preparation.
Background
The maleic hydrazide is maleic hydrazide which can be prepared by reacting hydrazine sulfate and maleic acid (or anhydride), and the preparation method comprises the steps of adding water and 40% of a hydrate trap into a reaction kettle, dropwise adding 30% hydrochloric acid while stirring and cooling until the pH value is 6.2-6.4, adding maleic anhydride, slowly heating to 106-110 ℃, refluxing for 2 hours, cooling to 5 ℃, filtering, washing a filter cake with water until the pH value is 4.8-5.1, and drying to obtain the maleic hydrazide with the yield of 97%.
When the existing maleic hydrazide reaction kettle stirs reaction liquid in the reaction process, the stirring rod is easy to shake due to the overlong length and no fixing device, and the long-term shaking is easy to deform, so that the service life of the reaction kettle is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a press down reation kettle for pellet preparation to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a press down reation kettle for pellet preparation, includes the cauldron body and passes through the upper cover of bolt fixed mounting at reation kettle body top, the top fixed mounting of cauldron body has the motor, through shaft coupling fixedly connected with puddler on the output shaft of motor, fixed mounting has the stirring rake on the lateral wall of puddler, fixed mounting has the fixed plate on the cauldron body is close to the lateral wall on upper portion, the puddler runs through the through-hole of seting up on the fixed plate and rotates with the fixed plate through the bearing and is connected, a plurality of through-hole has been seted up on the fixed plate, the discharge gate that is used for with the one end fixed connection of discharging pipe is seted up to the bottom of cauldron body, be provided with the bleeder valve on the discharging pipe, on cover set up be used for with inlet pipe fixed connection's feed inlet, run through upper cover and fixed plate and the inside intercommunication of cauldron body.
As a further aspect of the present invention: the fixed plate and the stirring rod are arranged concentrically.
As a further aspect of the present invention: the kettle comprises a kettle body and is characterized in that a first jacket is sleeved on the outer side of the lower portion of the kettle body, a cavity used for liquid flowing is formed in the first jacket, the inner wall of the first jacket is fixedly connected with the outer wall of the kettle body and tightly attached to the outer wall of the kettle body, a water inlet and a water outlet which are fixedly connected with a first water nozzle and a second water nozzle are formed in the first jacket, the first water nozzle is arranged on the upper portion of the first jacket, and the second water nozzle is arranged on the lower portion of the first jacket.
As a further aspect of the present invention: the kettle comprises a kettle body and is characterized in that a second jacket is sleeved on the outer side of the upper portion of the kettle body, a cavity used for liquid flowing is formed in the second jacket, the inner wall of the second jacket is fixedly connected with and tightly attached to the outer wall of the kettle body, a water inlet and a water outlet which are fixedly connected with a first water nozzle and a second water nozzle are formed in the second jacket, the first water nozzle is arranged on the upper portion of the first jacket, and the second water nozzle is arranged on the lower portion of the first jacket.
As a further aspect of the present invention: the inlet pipe is provided with a plurality ofly.
As a further aspect of the present invention: the upper cover is fixedly provided with a pressure gauge, and the pressure gauge is communicated with the inside of the kettle body.
As a further aspect of the present invention: the upper cover is fixedly provided with a temperature sensor, a probe of the temperature sensor extends into the kettle body, the temperature sensor is electrically connected with an external power supply through a wire, and the temperature sensor is electrically connected with an external controller through a wire.
As a further aspect of the present invention: the motor is electrically connected with an external switch.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is provided with the fixed plate, thereby further limiting the position of the stirring rod rotatably mounted on the early fixed plate, preventing the stirring rod from shaking during stirring and prolonging the service life of the reaction kettle;
2. the utility model feeds different raw materials through two feeding pipes, thereby avoiding feeding of one feeding port, and the raw materials react on the feeding pipes during feeding to cause scaling and blockage on the feeding pipes;
3. the utility model utilizes the second water nozzle, and the condensed water is introduced into the first jacket through the second water nozzle to cool the materials in the kettle in a stirring state, thereby preventing the materials from over-high temperature and causing reaction failure;
4. the utility model discloses a first water injection well choke lets in superheated steam to the first cover that presss from both sides heaies up to the cauldron body, makes the temperature of reaction liquid keep 106 ~ 110 ℃, adopts steam to heat the cauldron body, and is more even gentle for the mode of heating wire heating, prevents that the reaction liquid is local overheated, has guaranteed the controllability of reaction, lets in the comdenstion water through the comdenstion water inlet nozzle and flows back the reaction in pressing from both sides the cover to the second in the heating, and it is more convenient to use.
Drawings
FIG. 1 is a schematic structural view of a reaction kettle for preparing maleic hydrazide.
FIG. 2 is a schematic view of the external structure of a reactor for producing maleic hydrazide.
FIG. 3 is a schematic view of the structure of the upper cover of the reaction vessel for preparing maleic hydrazide.
FIG. 4 is a sectional view of the inside of a reactor for producing maleic hydrazide.
Shown in the figure: the device comprises a motor 1, a feeding pipe 2, a condensed water outlet nozzle 3, a condensed water inlet nozzle 4, a first water nozzle 5, a second water nozzle 6, a discharge valve 7, a discharge pipe 8, a first jacket 9, a second jacket 10, a stirring paddle 11, an upper cover 12, a pressure gauge 13, a temperature sensor 14, a stirring rod 15, a fixing plate 16 and a kettle body 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a reaction kettle for preparing a maleic hydrazide includes a motor 1, a feeding pipe 2, a condensed water outlet nozzle 3, a condensed water inlet nozzle 4, a first water nozzle 5, a second water nozzle 6, a discharge valve 7, a discharge pipe 8, a first jacket 9, a second jacket 10, a stirring paddle 11, an upper cover 12, a pressure gauge 13, a temperature sensor 14, a stirring rod 15, a fixing plate 16 and a kettle body 17, wherein the motor 1 is fixedly installed at the top of the kettle body 17, the stirring rod 15 is fixedly connected to an output shaft of the motor 1 through a shaft coupling, the stirring paddle 11 is fixedly installed on a side wall of the stirring rod 15, the stirring paddles 11 are provided in plurality, the fixing plate 16 is fixedly installed on a side wall of the kettle body 17 near the upper portion, the stirring rod 15 penetrates through a through hole formed in the fixing plate 16 and is rotatably connected to the fixing plate 16 through a bearing, the fixed plate 16 is provided with a plurality of through holes along the circumferential direction, the through holes are used for keeping the pressure in the upper cover 12 the same as the pressure of the kettle body 17, so that a pressure gauge 13 can conveniently measure the pressure in the kettle, the bottom of the kettle body 17 is provided with a discharge hole fixedly connected with one end of a discharge pipe 8, the discharge pipe 8 is provided with a discharge valve 7, the upper cover 12 is provided with a feed inlet fixedly connected with a feed pipe 2, the feed pipe 2 penetrates through the upper cover 12 and the fixed plate 16 to be communicated with the interior of the kettle body 17, the fixed plate 16 and the stirring rod 15 are concentrically arranged, the stirring rod 15 is prevented from shaking in the rotating process while the fixed plate 16 is used for fixing the stirring rod 15, the outer side of the lower part of the kettle body 17 is sleeved with a first jacket 9, and the interior of the first jacket 9 is provided with a cavity for liquid flowing, the inner wall of the first jacket 9 is fixedly connected and tightly attached to the outer wall of the kettle body 17, a water inlet and a water outlet for fixedly connecting with a first water nozzle 5 and a second water nozzle 6 are arranged on the first jacket 9, the first water nozzle 5 is arranged on the upper portion of the first jacket 9, the second water nozzle 6 is arranged on the lower portion of the first jacket 9, a second jacket 10 is sleeved on the outer side of the upper portion of the kettle body 17, a cavity for liquid flowing is arranged in the second jacket 10, the inner wall of the second jacket 10 is fixedly connected and tightly attached to the outer wall of the kettle body 17, a water inlet and a water outlet for fixedly connecting with the first water nozzle 5 and the second water nozzle 6 are arranged on the second jacket 10, the first water nozzle 5 is arranged on the upper portion of the first jacket 9, the second water nozzle 6 is arranged on the lower portion of the first jacket 9, a plurality of feed pipes are arranged on the second jacket 2, fixed mounting has manometer 13 on upper cover 12, manometer 13 and the inside intercommunication of cauldron body 17, fixed mounting has temperature sensor 14 on upper cover 12, temperature sensor 14's probe stretches into in cauldron body 17, and temperature sensor 14's probe keeps away from stirring rake 11, and installation temperature sensor 14 is used for detecting the temperature to the reaction material in the cauldron, controls superheated steam's velocity of flow, prevents that the temperature is too high or low excessively, influences the reaction result, temperature sensor 14 is connected through wire and external power source electricity, temperature sensor 14 is connected through wire and external controller electricity, motor 1 is through being connected with external switch electricity.
The utility model discloses a theory of operation is:
when the reaction kettle is required to be used for producing the maleic hydrazide, firstly, the kettle body 17 is fixedly arranged on the ground through the mounting frame, the discharge valve 7 is closed, the power supply of the motor 1 and the temperature sensor 14 is switched on, different raw materials are fed through the two feeding pipes 2, feeding of one feeding port is avoided, the raw materials react on the feeding pipes 2 during feeding to cause scaling and blockage on the feeding pipes 2, when stirring and mixing are started, the reaction releases heat, condensed water is introduced into the first jacket 9 through the second water nozzle 6 to cool the materials in the kettle in a stirring state, the temperature of the materials is prevented from being overhigh, when the materials in the kettle are required to be heated and refluxed, superheated steam is introduced into the first jacket 9 from the first water nozzle 5 to heat the kettle body, the temperature of the reaction liquid is kept between 106 and 110 ℃, and the kettle body 17 is heated by adopting the steam, more even gentle for the mode of heating wire heating, prevent the local overheat of reaction liquid, guaranteed the controllability of reaction, press from both sides the cover 10 interior to the second and let in the comdenstion water through comdenstion water inlet tap 4 and flow back to the reaction in the heating, it is more convenient to use, sets up fixed plate 16, and the position of puddler 15 on the early fixed plate 16 of further restriction rotation installation prevents that puddler 15 from taking place to rock when the stirring, prolongs puddler 15's life.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a but reation kettle is used in bud dan preparation, includes cauldron body (17) and through upper cover (12) of bolt fixed mounting at reation kettle body (17) top, its characterized in that: the top of the kettle body (17) is fixedly provided with a motor (1), an output shaft of the motor (1) is fixedly connected with a stirring rod (15) through a coupler, the side wall of the stirring rod (15) is fixedly provided with a stirring paddle (11), the side wall of the kettle body (17) close to the upper part is fixedly provided with a fixed plate (16), the stirring rod (15) penetrates through a through hole formed in the fixing plate (16) and is rotatably connected with the fixing plate (16) through a bearing, a plurality of through holes are arranged on the fixing plate (16), a discharge hole fixedly connected with one end of the discharge pipe (8) is arranged at the bottom of the kettle body (17), a discharge valve (7) is arranged on the discharge pipe (8), a feed inlet fixedly connected with the feed pipe (2) is arranged on the upper cover (12), the feeding pipe (2) penetrates through the upper cover (12) and the fixing plate (16) to be communicated with the interior of the kettle body (17).
2. The reactor for preparing maleic hydrazide according to claim 1, wherein: the fixing plate (16) and the stirring rod (15) are arranged concentrically.
3. The reactor for preparing maleic hydrazide according to claim 1, wherein: the kettle is characterized in that a first jacket (9) is sleeved on the outer side of the lower portion of the kettle body (17), a cavity for liquid to flow is formed in the first jacket (9), the inner wall of the first jacket (9) is fixedly connected with and tightly attached to the outer wall of the kettle body (17), a water inlet and a water outlet which are fixedly connected with a first water nozzle (5) and a second water nozzle (6) are formed in the first jacket (9), the first water nozzle (5) is arranged on the upper portion of the first jacket (9), and the second water nozzle (6) is arranged on the lower portion of the first jacket (9).
4. The reactor for preparing maleic hydrazide according to claim 1, wherein: the kettle comprises a kettle body (17), and is characterized in that a second jacket (10) is sleeved on the outer side of the upper portion of the kettle body (17), a cavity for liquid to flow is formed in the second jacket (10), the inner wall of the second jacket (10) is fixedly connected with and tightly attached to the outer wall of the kettle body (17), a water inlet and a water outlet which are fixedly connected with a first water nozzle (5) and a second water nozzle (6) are formed in the second jacket (10), the first water nozzle (5) is arranged on the upper portion of the first jacket (9), and the second water nozzle (6) is arranged on the lower portion of the first jacket (9).
5. The reactor for preparing maleic hydrazide according to claim 1, wherein: the feeding pipe (2) is provided with a plurality of feeding pipes.
6. The reactor for preparing maleic hydrazide according to claim 1, wherein: the upper cover (12) is fixedly provided with a pressure gauge (13), and the pressure gauge (13) is communicated with the interior of the kettle body (17).
7. The reactor for preparing maleic hydrazide according to claim 1, wherein: fixed mounting has temperature sensor (14) on upper cover (12), temperature sensor's (14) probe stretches into in cauldron body (17), temperature sensor (14) are connected with external power source electricity through the wire, temperature sensor (14) are connected with external controller electricity through the wire.
8. The reactor for preparing maleic hydrazide according to claim 1, wherein: the motor (1) is electrically connected with an external switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022727186.4U CN213854552U (en) | 2020-11-23 | 2020-11-23 | Press down reation kettle for pellet preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022727186.4U CN213854552U (en) | 2020-11-23 | 2020-11-23 | Press down reation kettle for pellet preparation |
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| Publication Number | Publication Date |
|---|---|
| CN213854552U true CN213854552U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022727186.4U Active CN213854552U (en) | 2020-11-23 | 2020-11-23 | Press down reation kettle for pellet preparation |
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| Country | Link |
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| CN (1) | CN213854552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114642984A (en) * | 2022-03-04 | 2022-06-21 | 江西万工铝业有限公司 | Process of environment-friendly water-based paint |
-
2020
- 2020-11-23 CN CN202022727186.4U patent/CN213854552U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114642984A (en) * | 2022-03-04 | 2022-06-21 | 江西万工铝业有限公司 | Process of environment-friendly water-based paint |
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