CN213286872U - Synthetic kettle for preparing azonitrile ester - Google Patents

Abstract

The utility model discloses a synthetic kettle for preparing azonitrile ester, which relates to the technical field of chemical equipment and comprises a kettle body and a support post, wherein the support post is fixedly arranged at the lower end of the kettle body, and an operator can introduce low-temperature water from a water inlet pipe, so that the low-temperature water is arranged between an outer jacket and an inner cavity, one end of an air duct is communicated with the inner cavity, the other end of the air duct is connected with a condenser, a backflow pipe is arranged at the lower end of the condenser, the other end of the backflow pipe is connected with the inner cavity, in the production process of azonitrile ester, volatile materials can enter the condenser from the air duct to be condensed, then flow back into the inner cavity from the backflow pipe, the volatilization of the materials in the reaction process is avoided, the consumption of the raw materials is reduced, and nitrogen inlet pipes are arranged on one sides of the discharging pipe and the feeding pipe, so that the raw, can utilize nitrogen gas to sweep the discharging pipe, prevent residual material in the pipeline, prevent that the material crystallization from blockking up the pipeline.

Description

Synthetic kettle for preparing azonitrile ester

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a synthesis kettle for preparing azonitrile ester.

Background

The synthesis kettle is a reactor for synthesizing chemical substances under the conditions of certain temperature and certain pressure. The reactor is widely applied to scientific research experiments in the fields of new materials, energy, environmental engineering and the like, and is a common small reactor for scientific research of college teaching and scientific research units. In the process of synthesizing the azothiopropionitrile ester, a synthesis kettle is generally utilized for synthesis.

The raw materials used for synthesizing the azonitrile ester have lower boiling points and are easy to volatilize, and the product has a high crystallization point and can be condensed into a solid at the temperature of less than 15 ℃. The prior reaction equipment is only an independent reaction kettle, and raw materials are volatilized seriously in the reaction process, so that the problems of safety and raw material consumption are caused; in addition, in winter, the residual materials in the pipeline after production can be condensed to block the pipeline, which causes inconvenience for subsequent production.

In order to solve the problems, the utility model provides a preparation sulphur nitrogen propionitrile ester is with synthetic cauldron.

Disclosure of Invention

An object of the utility model is to provide a preparation sulphur nitrogen propionitrile ester is with synthetic cauldron, possessed in to sulphur nitrogen propionitrile ester production process, the material that can volatilize can enter into the condenser from the air duct and carry out the condensation in, then flow back to the interior intracavity from the back flow, avoid the material to volatilize in the reaction process, reduce raw materials consumption, utilize the nitrogen gas admission pipe to sweep to the discharging pipe inner wall, prevent residual material in the pipeline, prevent the advantage of material crystallization jam pipeline, thereby the problem in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a preparation sulphur nitrogen propionitrile ester is with synthetic cauldron, includes the cauldron body and pillar, pillar fixed mounting is at the lower extreme of the cauldron body, the cauldron body is including outer jacket, inner chamber, inlet pipe, condensation mechanism, compounding mechanism, discharging pipe and sampling mechanism, and the inner chamber setting is in the inside of outer jacket, and the inlet pipe is equipped with two sets ofly, and two sets of inlet pipes set up respectively in the upper end of the cauldron body, and condensation mechanism sets up in the upper end of outer jacket, and compounding mechanism sets up in the inside of inner chamber, and the discharging pipe setting is at the lower extreme of the cauldron body, and sampling mechanism sets up the one side at the cauldron.

Preferably, the outer jacket comprises a water inlet pipe, a water outlet pipe and a first valve, the water inlet pipe is arranged on one side of the outer jacket, the water outlet pipe is arranged on one side of the outer jacket, and the first valve is arranged on the surfaces of the water inlet pipe and the water outlet pipe.

Preferably, the condensing mechanism includes air duct, condenser, back flow and gas vent, and the one end setting of air duct is in the upper end of the cauldron body, and the other end is connected with the condenser, and the one end and the condenser of back flow are connected, and the other end and cauldron body coupling, the gas vent setting is in the upper end of condenser.

Preferably, compounding mechanism includes motor, pivot, driving gear, compounding pole, driven gear and installation pole, and the motor setting is connected with the pivot in the upper end that presss from both sides the cover outward, the output of motor, and the other end and the driving gear connection of pivot, the compounding pole setting is at the lower extreme of pivot, and driven gear sets up in one side of driving gear, and driven gear and driving gear meshing are connected, is connected by the installation pole between driven gear and the inner chamber, and the upper end and the inner chamber inner wall swing joint of installation pole, the other end and driven gear connection.

Preferably, one side of the discharge pipe and one side of the feed pipe are both provided with a nitrogen inlet pipe.

Preferably, sampling mechanism includes sampling tube, funnel, connecting pipe, aspirator pump, unloading pipe and collection appearance case, and the one end and the inner chamber of sampling tube are connected, and the other end is connected with the funnel, and the connecting pipe setting is in one side of funnel, and the connecting pipe other end is connected with the aspirator pump, and the lower extreme of funnel is connected with the unloading pipe, and the lower extreme and the collection appearance case of unloading pipe are connected.

Preferably, the outer surface of the blanking pipe is provided with a second valve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of preparation sulphur nitrogen propionitrile ester is with synthetic cauldron, outer clamping sleeve sets up the outside at the inner chamber, and be provided with the inlet tube in one side of outer clamping sleeve, operating personnel can let in low-temperature water from the inlet tube, make low-temperature water set up the centre of outer clamping sleeve and inner chamber, can outwards press from both sides the cover and the inner chamber according to the temperature of reaction and let in the hot and cold water and switch over, and the one end and the inner chamber of air duct are linked together, the other end is connected with the condenser, the back flow sets up the lower extreme at the condenser, the other end and the inner chamber of back flow are connected, in the production process to sulphur nitrogen propionitrile ester, the material that can volatilize can be followed the air duct and condensed in entering the condenser, then flow back to the inner chamber from the back flow.

2. The utility model provides a prepare sulphur nitrogen propionitrile ester and use synthetic cauldron, the motor sets up the upper end that presss from both sides the cover outward, the output and the pivot of motor are connected, the driving gear sets up the lower extreme in the pivot, and the driving gear is connected with driven gear meshing, the starter motor operation, make the driving gear drive driven gear and compounding pole rotate, be convenient for mix the raw materials, and all be provided with the nitrogen gas admission pipe in one side of discharging pipe and inlet pipe, make the raw materials from the feeding to the whole nitrogen gas protection environment of handling of ejection of compact, the discharging pipe sets up the lower extreme at the cauldron body, the back is finished in every ejection of compact, can utilize nitrogen gas to sweep the discharging pipe, prevent residual material in the pipeline, prevent that the material crystallization from.

3. The utility model provides a pair of preparation sulphur nitrogen propionitrile ester is with synthetic cauldron, the one end of sampling tube runs through outer jacket and inner chamber, and the other end is connected with the funnel, is connected through the connecting pipe between funnel and the aspirator pump, opens the aspirator pump work, uses through the cooperation of sampling tube, funnel and connecting pipe, can make the material after mixing enter into the funnel in, opens the second valve, and the material can be followed the unloading pipe and entered into a set appearance incasement, can accomplish the sample to the material, the convenient sample.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the kettle structure of the present invention;

FIG. 3 is a schematic structural view of the mixing mechanism of the present invention;

fig. 4 is a schematic structural diagram of the sampling mechanism of the present invention.

In the figure: 1. a kettle body; 11. an outer jacket; 111. a water inlet pipe; 112. a water outlet pipe; 113. a first valve; 12. an inner cavity; 13. a feed pipe; 14. a condensing mechanism; 141. an air duct; 142. a condenser; 143. a return pipe; 144. an exhaust port; 15. a material mixing mechanism; 151. a motor; 152. a rotating shaft; 153. a driving gear; 154. a mixing rod; 155. a driven gear; 156. mounting a rod; 16. a discharge pipe; 161. a nitrogen inlet pipe; 17. a sampling mechanism; 171. a sampling tube; 172. a funnel; 173. a connecting pipe; 174. a getter pump; 175. a discharging pipe; 1751. a second valve; 176. a sample collection box; 2. and a support pillar.

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 and 2, a synthetic kettle for preparing azonitrile ester comprises a kettle body 1 and a support column 2, wherein the support column 2 is fixedly installed at the lower end of the kettle body 1, the kettle body 1 comprises an outer jacket 11, an inner cavity 12, feeding pipes 13, a condensing mechanism 14, a mixing mechanism 15, a discharging pipe 16 and a sampling mechanism 17, the inner cavity 12 is arranged inside the outer jacket 11, the feeding pipes 13 are provided with two groups, the two groups of feeding pipes 13 are respectively arranged at the upper end of the kettle body 1, the condensing mechanism 14 is arranged at the upper end of the outer jacket 11, the mixing mechanism 15 is arranged inside the inner cavity 12, the discharging pipe 16 is arranged at the lower end of the kettle body 1, and the sampling mechanism 17 is arranged at one side of the kettle body 1.

Referring to fig. 2, the outer jacket 11 includes a water inlet pipe 111, a water outlet pipe 112 and a first valve 113, the water inlet pipe 111 is disposed at one side of the outer jacket 11, the water outlet pipe 112 is disposed at one side of the outer jacket 11, and the surfaces of the water inlet pipe 111 and the water outlet pipe 112 are both provided with the first valve 113; an operator can introduce low-temperature water from the water inlet pipe 111, so that the low-temperature water is arranged between the outer jacket 11 and the inner cavity 12, cold and hot water can be introduced between the outer jacket 11 and the inner cavity 12 according to the reaction temperature for switching, the operation is simple, the condensing mechanism 14 comprises a gas guide pipe 141, a condenser 142, a return pipe 143 and an exhaust port 144, one end of the gas guide pipe 141 is arranged at the upper end of the kettle body 1, the other end of the gas guide pipe 141 is connected with the condenser 142, one end of the return pipe 143 is connected with the condenser 142, the other end of the return pipe is connected with the kettle body 1; in the production process of the azonitrile ester, the volatile materials enter the condenser 142 from the gas guide tube 141 for condensation and then flow back to the inner cavity 12 from the return tube 143, so that the volatilization of the materials in the reaction process is avoided, and the consumption of raw materials is reduced.

Referring to fig. 2 and 3, the mixing mechanism 15 includes a motor 151, a rotating shaft 152, a driving gear 153, a mixing rod 154, a driven gear 155 and an installation rod 156, the motor 151 is disposed at the upper end of the outer jacket 11, an output end of the motor 151 is connected to the rotating shaft 152, the other end of the rotating shaft 152 is connected to the driving gear 153, the mixing rod 154 is disposed at the lower end of the rotating shaft 152, the driven gear 155 is disposed at one side of the driving gear 153, the driven gear 155 is engaged with the driving gear 153, the driven gear 155 is connected to the inner cavity 12 by the installation rod 156, an upper end of the installation rod 156 is movably connected to the inner wall of the inner cavity 12, and the other end is connected; the motor 151 is started to operate, so that the driving gear 153 drives the driven gear 155 and the mixing rod 154 to rotate, raw materials are mixed conveniently, and a nitrogen inlet pipe 161 is arranged on each of one sides of the discharge pipe 16 and the feed pipe 13; make the raw materials from the feeding to the whole nitrogen protection environment of handling of ejection of compact, discharging pipe 16 sets up the lower extreme at the cauldron body 1, and the back is accomplished in the ejection of compact at every turn, can utilize nitrogen gas to sweep discharging pipe 16, prevents residual material in the pipeline, prevents that the material crystallization from blockking up the pipeline.

Referring to fig. 4, the sampling mechanism 17 includes a sampling tube 171, a funnel 172, a connecting tube 173, a suction pump 174, a blanking tube 175 and a sample collection box 176, one end of the sampling tube 171 is connected to the inner cavity 12, the other end is connected to the funnel 172, the connecting tube 173 is disposed at one side of the funnel 172, the other end of the connecting tube 173 is connected to the suction pump 174, the lower end of the funnel 172 is connected to the blanking tube 175, and the lower end of the blanking tube 175 is connected to the sample collection box 176; the outer surface of the blanking pipe 175 is provided with a second valve 1751; open aspirator pump 174 work, through the cooperation of sampling tube 171, funnel 172 and connecting pipe 173, can make the material after mixing enter into funnel 172 in, open second valve 1751, the material can enter into collection appearance case 176 from unloading pipe 175 in, can accomplish the sample to the material, the convenient sample.

In summary, the following steps: the utility model provides a preparation azonitrile ester is with synthetic cauldron, including cauldron body 1 and pillar 2, pillar 2 fixed mounting is at the lower extreme of cauldron body 1, outer jacket 11 sets up the outside of inner chamber 12, and be provided with inlet tube 111 in one side of outer jacket 11, operating personnel can let in low-temperature water from inlet tube 111, make low-temperature water set up in the middle of outer jacket 11 and inner chamber 12, can let in cold and hot water between outer jacket 11 and inner chamber 12 according to the temperature of reaction and switch, easy operation, and one end and the inner chamber 12 of air duct 141 are linked together, the other end is connected with condenser 142, and the other end is connected with condenser 142, back flow 143 sets up the lower extreme at condenser 142, the other end and the inner chamber 12 of back flow 143 are connected, in to azonitrile ester production process, the material that can volatilize can enter into condenser 142 from air duct 141 and condense, then the raw materials flow back to the inner cavity 12 from the return pipe 143, material volatilization during the reaction process is avoided, raw material consumption is reduced, the motor 151 is arranged at the upper end of the outer jacket 11, the output end of the motor 151 is connected with the rotating shaft 152, the driving gear 153 is arranged at the lower end of the rotating shaft 152, the driving gear 153 is meshed with the driven gear 155, the motor 151 is started to run, the driving gear 153 drives the driven gear 155 and the mixing rod 154 to rotate, so that the raw materials are mixed conveniently, the nitrogen inlet pipe 161 is arranged on one side of the discharge pipe 16 and one side of the feed pipe 13, so that the raw materials are completely treated in a nitrogen protection environment from feeding to discharging, the discharge pipe 16 is arranged at the lower end of the kettle body 1, after each discharging, the discharge pipe 16 can be purged by using nitrogen, the residual materials in the pipeline are prevented, the materials are prevented from being crystallized, the other end is connected with funnel 172, is connected through connecting pipe 173 between funnel 172 and the aspirator pump 174, opens aspirator pump 174 work, uses through the cooperation of sampling tube 171, funnel 172 and connecting pipe 173, can make the material after mixing enter into funnel 172 in, opens second valve 1751, the material can be followed unloading pipe 175 and is entered into collection appearance case 176 in, can accomplish the sample to the material, the convenient sample.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a preparation sulphur nitrogen propionitrile ester is with synthetic cauldron, includes the cauldron body (1) and pillar (2), pillar (2) fixed mounting is at the lower extreme of the cauldron body (1), its characterized in that: the cauldron body (1) is including outer cover (11), inner chamber (12), inlet pipe (13), condensation mechanism (14), compounding mechanism (15), discharging pipe (16) and sampling mechanism (17), inner chamber (12) set up the inside of outer cover (11), inlet pipe (13) are equipped with two sets ofly, and two sets of inlet pipe (13) set up the upper end at the cauldron body (1) respectively, condensation mechanism (14) set up the upper end of outer cover (11), compounding mechanism (15) set up the inside at inner chamber (12), discharging pipe (16) set up the lower extreme at the cauldron body (1), sampling mechanism (17) set up the one side at the cauldron body (1).

2. The synthesis kettle for preparing S-N-propionitrile ester according to claim 1, wherein: the outer jacket (11) comprises a water inlet pipe (111), a water outlet pipe (112) and a first valve (113), the water inlet pipe (111) is arranged on one side of the outer jacket (11), the water outlet pipe (112) is arranged on one side of the outer jacket (11), and the surfaces of the water inlet pipe (111) and the water outlet pipe (112) are provided with the first valve (113).

3. The synthesis kettle for preparing S-N-propionitrile ester according to claim 1, wherein: the condensing mechanism (14) comprises an air duct (141), a condenser (142), a return pipe (143) and an exhaust port (144), one end of the air duct (141) is arranged at the upper end of the kettle body (1), the other end of the air duct is connected with the condenser (142), one end of the return pipe (143) is connected with the condenser (142), the other end of the return pipe is connected with the kettle body (1), and the exhaust port (144) is arranged at the upper end of the condenser (142).

4. The synthesis kettle for preparing S-N-propionitrile ester according to claim 1, wherein: mixing mechanism (15) includes motor (151), pivot (152), driving gear (153), compounding pole (154), driven gear (155) and installation pole (156), motor (151) sets up the upper end of outer jacket (11), the output and pivot (152) of motor (151) are connected, the other end and the driving gear (153) of pivot (152) are connected, compounding pole (154) set up the lower extreme in pivot (152), driven gear (155) set up the one side in driving gear (153), and driven gear (155) are connected with driving gear (153) meshing, be connected by installation pole (156) between driven gear (155) and inner chamber (12), and the upper end and inner chamber (12) inner wall swing joint of installation pole (156), the other end is connected with driven gear (155).

5. The synthesis kettle for preparing S-N-propionitrile ester according to claim 1, wherein: and one sides of the discharge pipe (16) and the feed pipe (13) are provided with nitrogen inlet pipes (161).

6. The synthesis kettle for preparing S-N-propionitrile ester according to claim 1, wherein: sampling mechanism (17) include sampling tube (171), funnel (172), connecting pipe (173), aspirator pump (174), unloading pipe (175) and collection appearance case (176), the one end and inner chamber (12) of sampling tube (171) are connected, the other end is connected with funnel (172), connecting pipe (173) set up the one side at funnel (172), and connecting pipe (173) other end is connected with aspirator pump (174), the lower extreme of funnel (172) is connected with unloading pipe (175), and the lower extreme and the collection appearance case (176) of unloading pipe (175) are connected.

7. The synthesis kettle for preparing S-N-propionitrile ester according to claim 6, wherein: and a second valve (1751) is arranged on the outer surface of the blanking pipe (175).

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