CN213724924U - Crystallizing tank for preparing benzoic acid - Google Patents
Crystallizing tank for preparing benzoic acid Download PDFInfo
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- CN213724924U CN213724924U CN202021934236.XU CN202021934236U CN213724924U CN 213724924 U CN213724924 U CN 213724924U CN 202021934236 U CN202021934236 U CN 202021934236U CN 213724924 U CN213724924 U CN 213724924U
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Abstract
The utility model relates to a benzoic acid preparation technical field, and disclose a crystallizer of preparation benzoic acid, including the first jar of body, still include: the heating device comprises a first tank body, a fixed plate, a rotating structure, a rotating rod, stirring blades and heating wires, wherein the fixed plate is fixedly arranged below the inner wall of the first tank body; the utility model discloses possess and to carry out the intensive mixing with crude benzoic acid and water, can fall to the room temperature fast with the solution after the heating moreover to improve drying efficiency's advantage, the crystallizer of having solved current preparation benzoic acid can not carry out intensive mixing between crude benzoic acid and the water, and the solution temperature after waiting for the stirring to accomplish in addition falls to the time overlength when the room temperature, in the solution to after cooling drying process, the lower problem of drying efficiency.
Description
Technical Field
The utility model relates to a benzoic acid preparation technical field specifically is a crystallizer of preparation benzoic acid.
Background
Benzoic acid, also known as benzoic acid, with molecular formula C7H6O2The compound is formed by replacing one hydrogen on a benzene ring with carboxyl (-COOH). Is a scaly or needle crystal having an odor of benzene or formaldehyde at normal temperature. Its vapor has strong irritation, and is easy to cause cough after being inhaled. Slightly soluble in water and easily soluble in organic solvents such as ethanol and diethyl ether.
At present, the crystallizer for preparing benzoic acid can not fully stir crude benzoic acid and water, the time for cooling the solution after stirring is over long when the temperature of the solution is lowered to the room temperature, and the drying efficiency is low in the process of drying the cooled solution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crystallizer of preparation benzoic acid possesses and to carry out intensive mixing with crude benzoic acid and water, and can fall to the room temperature fast with the solution after the heating, and improve drying efficiency's advantage, the crystallizer of having solved current preparation benzoic acid can not carry out intensive mixing between crude benzoic acid and the water, and the solution temperature after waiting for the stirring to accomplish in addition falls the time overlength when the room temperature, in the solution to after the cooling carries out the drying process, the lower problem of drying efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: a crystallizer for preparing benzoic acid, includes first jar body, still includes:
the heating device comprises a first tank body, a fixed plate, a rotating structure, a heating wire, a discharging pipe and a water inlet pipe, wherein the fixed plate is fixedly arranged below the inner wall of the first tank body, the rotating structure is arranged below the fixed plate, a rotating rod penetrates through the surface of the fixed plate, stirring blades are arranged on the left side and the right side of the top of the rotating rod, the heating wire penetrates through the top of the first tank body, the discharging pipe is communicated with the left side and the right side of the top of the first tank body, and the water inlet pipe is communicated with the upper side of the left side of the first tank body;
the water discharging pipe is communicated below the right side of the first tank body, the left side of the surface of the water discharging pipe is provided with an electromagnetic valve, the middle of the surface of the water discharging pipe is provided with a first water pump, the right side of the inner wall of the water discharging pipe is bolted with an installation plate, and a filter screen is installed inside the installation plate;
the second tank body is communicated with the right side of the drain pipe, the bottom of the left side of the second tank body is provided with a temperature detector in a penetrating mode, a cooling structure is arranged below the inner wall of the second tank body, and a transmission structure is arranged above the inner wall of the second tank body;
the mounting box, its left and right sides that sets up in the transmission structure below, a plurality of heater strips are installed at the top of mounting box inner wall, a plurality of fans are installed to the below of mounting box inner wall.
Preferably, revolution mechanic includes first motor, conical gear and toothed disc, first motor is installed in the left side of first jar of internal wall bottom, conical gear's left side and the output shaft bolt of first motor, the toothed disc rotates to be connected in the bottom of first jar of internal wall, and meshes between toothed disc and the conical gear, the top and the rotary rod bolt of toothed disc.
Preferably, the cooling structure includes water tank, second water pump, water service pipe and water-cooled tube, the right side at the second jar of body is placed to the water tank, the second water pump is installed at the top of water tank, and the water inlet and the water tank intercommunication of second water pump, the one end of water service pipe and the delivery port intercommunication of second water pump, and the other end of water service pipe runs through the second jar of body and communicates with the water-cooled tube, water-cooled tube fixed mounting is at the rear side of the internal wall of second jar, and the lower extreme of water-cooled tube runs through the second jar of body and communicates between the water tank.
Preferably, the transmission structure includes box body, second motor, threaded rod and thread bush, the box body bolt is in the top on the second jar of body right side, the inside at the box body is installed to the second motor, the output shaft of second motor runs through the second jar of body and extends to the inside of the second jar of body, the threaded rod rotates to be connected in the top of the internal wall of second jar, and the right-hand member of threaded rod and the output shaft bolt of second motor, thread bush threaded connection is in the left and right sides on threaded rod surface, and the inside screw thread opposite direction of two thread bushes, the bottom and the mounting box bolt of thread bush.
Preferably, the front side and the rear side of the mounting box are both bolted with limiting rods, the front side and the rear side above the inner wall of the second tank body are both provided with limiting grooves, one end of each limiting rod extends to the inside of each limiting groove and is bolted with a limiting block, and the limiting blocks are connected with the limiting grooves in a sliding mode.
Preferably, the left side and the right side at the top of the second tank body are both communicated with vent pipes, the inner walls of the vent pipes are provided with air exhaust fans, and the tops of the vent pipes are communicated with hoses.
Preferably, the front of the first tank body is provided with an observation window, the observation window is made of toughened glass, and the front of the second tank body is provided with a sealing door.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses possess and to carry out the intensive mixing with crude benzoic acid and water, can fall to the room temperature fast with the solution after the heating moreover to improve drying efficiency's advantage, the crystallizer of having solved current preparation benzoic acid can not carry out intensive mixing between crude benzoic acid and the water, and the solution temperature after waiting for the stirring to accomplish in addition falls to the time overlength when the room temperature, in the solution to after cooling drying process, the lower problem of drying efficiency.
Drawings
FIG. 1 is a front sectional view of the structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
fig. 3 is a bottom sectional view of the mounting box of the present invention;
fig. 4 is a top cross-sectional view of a second tank of the present invention;
fig. 5 is an enlarged view of a portion a of fig. 1 according to the present invention.
In the figure: 1. a first tank; 2. a fixing plate; 3. a rotating structure; 31. a first motor; 32. a bevel gear; 33. a gear plate; 4. rotating the rod; 5. stirring blades; 6. an electric heating wire; 7. discharging the material pipe; 8. a water inlet pipe; 9. a drain pipe; 10. an electromagnetic valve; 11. a first water pump; 12. mounting a plate; 13. filtering with a screen; 14. a second tank; 15. a temperature detector; 16. a cooling structure; 161. a water tank; 162. a second water pump; 163. a water pipe; 164. a water-cooled tube; 17. a transmission structure; 171. a box body; 172. a second motor; 173. a threaded rod; 174. a threaded sleeve; 18. mounting a box; 19. heating wires; 20. a fan; 21. a limiting rod; 22. a limiting groove; 23. a limiting block; 24. a breather pipe; 25. an air extracting fan; 26. a hose; 27. an observation window; 28. and (4) sealing the door.
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. 1-5, a crystallizing tank for preparing benzoic acid includes a first tank 1, and further includes:
the heating device comprises a fixing plate 2, a heating wire 6, a discharging pipe 7, a water inlet pipe 8 and a water outlet pipe 8, wherein the fixing plate 2 is fixedly arranged below the inner wall of a first tank body 1, a rotating structure 3 is arranged below the fixing plate 2, a rotating rod 4 penetrates through the surface of the fixing plate 2, stirring blades 5 are arranged on the left side and the right side of the top of the rotating rod 4, the heating wire 6 penetrates through the top of the first tank body 1, the left side and the right side of the top of the first tank body 1 are communicated with the discharging pipe 7, and the water inlet pipe 8 is communicated above the left side of the first tank body 1;
the drain pipe 9 is communicated below the right side of the first tank body 1, the left side of the surface of the drain pipe 9 is provided with an electromagnetic valve 10, the middle part of the surface of the drain pipe 9 is provided with a first water pump 11, the right side of the inner wall of the drain pipe 9 is bolted with an installation plate 12, and a filter screen 13 is arranged inside the installation plate 12;
the second tank 14 is communicated with the right side of the water discharge pipe 9, the bottom of the left side of the second tank 14 is provided with a temperature detector 15 in a penetrating way, a cooling structure 16 is arranged below the inner wall of the second tank 14, and a transmission structure 17 is arranged above the inner wall of the second tank 14;
the mounting box 18 is arranged on the left side and the right side below the transmission structure 17, a plurality of heating wires 19 are mounted at the top of the inner wall of the mounting box 18, and a plurality of fans 20 are mounted below the inner wall of the mounting box 18.
Specifically, as shown in fig. 1, the rotating structure 3 includes a first motor 31, a bevel gear 32 and a gear disc 33, the first motor 31 is installed on the left side of the bottom of the inner wall of the first tank 1, the left side of the bevel gear 32 is bolted to an output shaft of the first motor 31, the gear disc 33 is rotatably connected to the bottom of the inner wall of the first tank 1, the gear disc 33 is meshed with the bevel gear 32, the top of the gear disc 33 is bolted to the rotating rod 4, and after the first motor 31 is started, the stirring blades 5 can sufficiently stir the crude benzoic acid and the water in the first tank 1.
Specifically, as shown in fig. 1 and 2, the cooling structure 16 includes a water tank 161, a second water pump 162, a water pipe 163 and a water cooling pipe 164, the water tank 161 is disposed at the right side of the second tank 14, the second water pump 162 is installed at the top of the water tank 161, a water inlet of the second water pump 162 is communicated with the water tank 161, one end of the water pipe 163 is communicated with a water outlet of the second water pump 162, the other end of the water pipe 163 penetrates through the second tank 14 and is communicated with the water cooling pipe 164, the water cooling pipe 164 is fixedly installed at the rear side of the inner wall of the second tank 14, a lower end of the water cooling pipe 164 penetrates through the second tank 14 and is communicated with the water tank 161, and through the arrangement of the water tank 161, the second water pump 162, the water pipe 163 and the water cooling pipe 164, the heated solution entering the second tank 14 can be quickly cooled to room temperature, and the working efficiency is improved.
Specifically, as shown in fig. 1, 2 and 4, the transmission structure 17 includes a box 171, a second motor 172, a threaded rod 173 and a threaded sleeve 174, the box 171 is bolted on the upper right side of the second tank 14, the second motor 172 is installed inside the box 171, an output shaft of the second motor 172 penetrates through the second tank 14 and extends into the second tank 14, the threaded rod 173 is rotatably connected on the upper inner wall of the second tank 14, the right end of the threaded rod 173 is bolted on the output shaft of the second motor 172, the threaded sleeves 174 are screwed on the left and right sides of the surface of the threaded rod 173, the thread directions inside the two threaded sleeves 174 are opposite, the bottom of the threaded sleeve 174 is bolted on the mounting box 18, through the arrangement of the box 171, the second motor 172, the threaded rod 173 and the threaded sleeve 174, after the second motor 172 is started, the mounting box 18 can move on the threaded rod 173 in the left and right direction, so as to uniformly dry the solution below, the drying efficiency is improved.
Specifically, as shown in fig. 3 and 4, the equal bolt of both sides has a gag lever post 21 around the mounting box 18, spacing groove 22 has all been seted up to the preceding back both sides of the internal wall top of second jar 14, the one end of gag lever post 21 extends to the inside of spacing groove 22 and the bolt has a stopper 23, sliding connection between stopper 23 and the spacing groove 22, through gag lever post 21, the setting of spacing groove 22 and stopper 23, it is spacing to the removal orbit of mounting box 18, make mounting box 18 only can carry out left right direction horizontal migration, increase its stability.
Specifically, as shown in fig. 1 and 2, the left side and the right side of the top of the second tank 14 are both communicated with a vent pipe 24, an air exhaust fan 25 is installed on the inner wall of the vent pipe 24, a hose 26 is communicated with the top of the vent pipe 24, and by means of the vent pipe 24, the air exhaust fan 25 and the hose 26, steam generated by drying inside the second tank 14 can be exhausted in the drying process, so that the drying efficiency is improved.
Specifically, as shown in fig. 2, an observation window 27 is provided on the front surface of the first tank 1, the observation window 27 is made of toughened glass, a sealing door 28 is installed on the front surface of the second tank 14, the operator can observe the inside of the first tank 1 conveniently through the arrangement of the observation window 27, and the operator can take out the prepared benzoic acid crystal conveniently through the arrangement of the sealing door 28.
The working principle is as follows: when the benzoic acid needs to be prepared, an operator puts crude benzoic acid and zeolite into the first tank body 1 from the material discharging pipes 7 on two sides respectively, then introduces water into the first tank body 1 through the water inlet pipe 8, then starts the electric heating wire 6 to heat the solution inside, observes the inside of the first tank body 1 through the observation window 27, closes the electric heating wire 6 when the solution inside the first tank body 1 is heated to slightly boil, then starts the first motor 31, so that the output shaft of the first motor 31 drives the conical gear 32 to rotate, the gear disc 33 drives the rotating rod 4 to start to rotate, the stirring blade 5 stirs and mixes the solution inside the first tank body 1, after the stirring is completed, the electromagnetic valve 10 and the first water pump 11 are started, the solution inside the first tank body 1 is pumped into the water discharging pipe 9, the filter screen 13 filters the solution inside the water discharging pipe 9, and the filtered solution enters the second tank body 14, then, the second water pump 162 is started to pump the water in the water tank 161 into the water cooling pipe 164, the water in the water cooling pipe 164 finally enters the water tank 161 again, the water circulation is completed, the solution in the second tank 14 is cooled, the temperature data of the temperature detector 15 is observed, the second water pump 162 is closed after the solution in the second tank 14 is cooled to room temperature, then, after the solution is sufficiently cooled, the second motor 172 is started, the output shaft of the second motor 172 drives the threaded rod 173 to rotate, the threaded sleeves 174 on the two sides move in the left-right direction of the threaded rod 173, the rotation direction of the second motor 172 is controlled, the threaded sleeve 174 reciprocates on the threaded rod 173, meanwhile, the heating wire 19 and the fan 20 are started to dry the solution below, then, the suction fan 25 is started to discharge the steam in the second tank 14, and the second motor 172 and the heating wire 19 are closed after the drying is completed, thus, the preparation of terephthalic acid is completed.
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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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. A crystallizer for preparing benzoic acid, which comprises a first tank body (1), and is characterized by further comprising:
the heating device comprises a fixing plate (2) which is fixedly arranged below the inner wall of a first tank body (1), wherein a rotating structure (3) is arranged below the fixing plate (2), a rotating rod (4) penetrates through the surface of the fixing plate (2), stirring blades (5) are arranged on the left side and the right side of the top of the rotating rod (4), an electric heating wire (6) penetrates through the top of the first tank body (1), discharging pipes (7) are communicated with the left side and the right side of the top of the first tank body (1), and a water inlet pipe (8) is communicated with the upper portion of the left side of the first tank body (1);
the water draining pipe (9) is communicated with the lower portion of the right side of the first tank body (1), an electromagnetic valve (10) is installed on the left side of the surface of the water draining pipe (9), a first water pump (11) is installed in the middle of the surface of the water draining pipe (9), a mounting plate (12) is connected to the right side of the inner wall of the water draining pipe (9) in a bolted mode, and a filter screen (13) is installed inside the mounting plate (12);
the second tank body (14) is communicated with the right side of the drain pipe (9), the bottom of the left side of the second tank body (14) is provided with a temperature detector (15) in a penetrating mode, a cooling structure (16) is arranged below the inner wall of the second tank body (14), and a transmission structure (17) is arranged above the inner wall of the second tank body (14);
the mounting box (18), its left and right sides that sets up in transmission structure (17) below, a plurality of heater strips (19) are installed at the top of mounting box (18) inner wall, a plurality of fans (20) are installed to the below of mounting box (18) inner wall.
2. The crystallizing tank for preparing benzoic acid according to claim 1, characterized in that: revolution mechanic (3) include first motor (31), conical gear (32) and toothed disc (33), the left side at first jar body (1) inner wall bottom is installed in first motor (31), the left side of conical gear (32) and the output shaft bolt of first motor (31), toothed disc (33) rotate to be connected in the bottom of first jar body (1) inner wall, and mesh between toothed disc (33) and conical gear (32), the top and rotary rod (4) bolt of toothed disc (33).
3. The crystallizing tank for preparing benzoic acid according to claim 1, characterized in that: the cooling structure (16) comprises a water tank (161), a second water pump (162), a water through pipe (163) and a water cooling pipe (164), wherein the water tank (161) is placed on the right side of the second tank body (14), the second water pump (162) is installed at the top of the water tank (161), a water inlet of the second water pump (162) is communicated with the water tank (161), one end of the water through pipe (163) is communicated with a water outlet of the second water pump (162), the other end of the water through pipe (163) penetrates through the second tank body (14) and is communicated with the water cooling pipe (164), the water cooling pipe (164) is fixedly installed on the rear side of the inner wall of the second tank body (14), and the lower end of the water cooling pipe (164) penetrates through the second tank body (14) and is communicated with the water tank (161).
4. The crystallizing tank for preparing benzoic acid according to claim 1, characterized in that: the transmission structure (17) comprises a box body (171), a second motor (172), a threaded rod (173) and a threaded sleeve (174), the box body (171) is connected to the right side of the second tank body (14) in a bolted mode, the second motor (172) is installed inside the box body (171), an output shaft of the second motor (172) penetrates through the second tank body (14) and extends to the inside of the second tank body (14), the threaded rod (173) is connected to the upper portion of the inner wall of the second tank body (14) in a rotating mode, the right end of the threaded rod (173) is connected with the output shaft of the second motor (172) in a bolted mode, the threaded sleeve (174) is connected to the left side and the right side of the surface of the threaded rod (173 in a threaded mode, the thread directions of the insides of the two threaded sleeves (174) are opposite, and the bottom of the threaded sleeve (174) is connected with the mounting box (18) in a bolted mode.
5. The crystallizing tank for preparing benzoic acid according to claim 1, characterized in that: the front side and the rear side of the mounting box (18) are bolted with limiting rods (21), the front side and the rear side above the inner wall of the second tank body (14) are respectively provided with a limiting groove (22), one end of each limiting rod (21) extends to the inside of each limiting groove (22) and is bolted with a limiting block (23), and each limiting block (23) is connected with each limiting groove (22) in a sliding mode.
6. The crystallizing tank for preparing benzoic acid according to claim 1, characterized in that: the left side and the right side at the top of the second tank body (14) are both communicated with a vent pipe (24), an air exhaust fan (25) is installed on the inner wall of the vent pipe (24), and the top of the vent pipe (24) is communicated with a hose (26).
7. The crystallizing tank for preparing benzoic acid according to claim 1, characterized in that: the front of the first tank body (1) is provided with an observation window (27), the observation window (27) is made of toughened glass, and the front of the second tank body (14) is provided with a sealing door (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021934236.XU CN213724924U (en) | 2020-09-07 | 2020-09-07 | Crystallizing tank for preparing benzoic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021934236.XU CN213724924U (en) | 2020-09-07 | 2020-09-07 | Crystallizing tank for preparing benzoic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213724924U true CN213724924U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021934236.XU Active CN213724924U (en) | 2020-09-07 | 2020-09-07 | Crystallizing tank for preparing benzoic acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213724924U (en) |
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2020
- 2020-09-07 CN CN202021934236.XU patent/CN213724924U/en active Active
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