Cooling device for formaldehyde production

Abstract

The utility model discloses a cooling device for formaldehyde production, which comprises a mounting seat, a mounting frame, a second cooling mechanism and a circulating mechanism are arranged on the mounting seat, a first cooling mechanism is arranged on the inner wall of the mounting frame, a refrigerating mechanism is arranged on the inner wall of the mounting seat, and the circulating mechanism is arranged on the mounting frame. The refrigerating mechanism comprises a liquid storage tank, a refrigerating plate, a cooling fan, a circulating pump, a liquid inlet pipe, a branch pipe and a return pipe; the refrigeration mechanism is arranged to convey cooling liquid to the first cooling mechanism to perform first circulating cooling operation on formaldehyde, part of the cooling liquid enters the second cooling mechanism through the branch pipe to perform second cooling operation on the formaldehyde, and the circulating mechanism performs second circulating cooling operation on the formaldehyde, so that the formaldehyde cooling efficiency is improved. The mechanisms are matched to achieve double-circulation cooling operation on formaldehyde, the formaldehyde can be thoroughly cooled, the cooling effect on the formaldehyde is improved, the processing quality of the formaldehyde is guaranteed, and then the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of formaldehyde production, in particular to a cooling device for formaldehyde production. Background Art

[0002] Formaldehyde in solution, namely formalin, is a colorless or almost colorless clear liquid with a pungent smell. It can be mixed with water or ethanol at will. The chemical composition of formaldehyde solution is not complicated. In addition to a small amount of methanol, formic acid and several inorganic impurities, most of it is formaldehyde and water. A cooling device is used in the production process of formaldehyde solution.

[0003] Compared with the prior art, there are problems: the existing cooling device can only perform a single cycle cooling operation on formaldehyde, cannot guarantee the cooling effect on formaldehyde, affects the processing quality of formaldehyde, and the practicability of the device is poor. Therefore, we propose a cooling device for formaldehyde production to solve the above problems. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a cooling device for formaldehyde production.

[0005] The utility model solves its technical problem through the following technical scheme: it comprises a mounting seat, a mounting frame is fixed to the top of the mounting seat by bolts, a first cooling mechanism is arranged on the inner wall of the mounting frame, a refrigeration mechanism is arranged on the inner wall of the mounting seat, the refrigeration mechanism comprises a liquid storage tank, the liquid storage tank is fixed to the inner wall of the mounting seat by bolts, a refrigeration plate is fixed to the bottom of the liquid storage tank, a plurality of cooling fans are fixed to the bottom of the refrigeration plate by bolts, a circulating pump is fixed to one side of the liquid storage tank, a liquid inlet pipe is fixed to one side of the circulating pump, a branch pipe is fixed to the outer side of the liquid inlet pipe, an end of the liquid inlet pipe is connected to a cooling sleeve, a return pipe is fixed to the other side of the liquid storage tank, an end of the return pipe is connected to the cooling sleeve, a second cooling mechanism is arranged on the inner wall of the mounting seat close to the first cooling mechanism, and a circulating mechanism is arranged on the inner wall of the second cooling mechanism.

[0006] As a further solution of the present invention: a control panel is provided on one side of the mounting seat.

[0007] As a further solution of the utility model: the first cooling mechanism includes a cooling sleeve, which is fixed to the inner wall of the mounting frame by bolts, a feed pipe is fixed to one end of the cooling sleeve, a cooling pipe is fixed to one end of the feed pipe, a delivery pipe is fixed to one end of the cooling pipe, a three-way valve A is fixed to the outside of the delivery pipe, a circulation pipe A is fixed to the top of the three-way valve A, and a temperature sensor A is fixed to the outside of the delivery pipe near the three-way valve A.

[0008] As a further solution of the utility model: a motor is fixed to the side wall of the liquid storage tank by bolts, and a stirring frame is fixed to the output end of the motor.

[0009] As a further solution of the utility model: the second cooling mechanism includes a cooling tank, which is fixed to the inner wall of the mounting base by bolts, and a plurality of cooling grooves are fixed to the inner wall of the cooling tank, and connecting pipes are fixed to the outer sides of the plurality of cooling grooves, and the plurality of cooling grooves are connected by connecting pipes, and a return pipe B is fixed to one side of the cooling groove, and the end of the return pipe B is connected to the return pipe.

[0010] As a further solution of the utility model: the circulation mechanism includes a storage tank, which is fixed to the inner wall of the cooling tank, a discharge pipe is fixed to the bottom of the storage tank, a three-way valve B is fixed to the outside of the discharge pipe, a circulation pipe B is fixed to one side of the three-way valve B, the circulation pipe B is connected to the feed pipe, and a temperature sensor B is fixed to the outside of the discharge pipe near the three-way valve B.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0012] 1. A refrigeration mechanism is provided to transport the coolant to the first cooling mechanism, and the formaldehyde is subjected to a first circulation cooling operation. A part of the coolant enters the second cooling mechanism through a branch pipe, and the formaldehyde is subjected to a second circulation cooling operation. The formaldehyde is subjected to a second circulation cooling operation through the circulation mechanism. The above mechanisms cooperate to realize a double circulation cooling operation on the formaldehyde, which can completely cool the formaldehyde, improve the cooling effect on the formaldehyde, ensure the processing quality of the formaldehyde, and thus improve the practicability of the device;

[0013] 2. A motor is provided to drive the stirring frame to rotate, and the stirring frame is used to stir the coolant inside the liquid storage tank to ensure that the coolant temperature of each part inside the liquid storage tank remains uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of an axonometric structure provided according to an embodiment of the utility model is shown;

[0015] Figure 2 The figure shows an axonometric cross-sectional structure schematic diagram provided according to an embodiment of the utility model;

[0016] Figure 3 The utility model provides a Figure 2 A schematic diagram of the enlarged structure of the middle A part;

[0017] Figure 4 A schematic diagram of a front cross-sectional structure provided according to an embodiment of the utility model is shown;

[0018] Figure 5 The utility model provides a Figure 4 A schematic diagram of the enlarged structure of the middle B part;

[0019] Figure 6 A partial structural schematic diagram provided according to an embodiment of the utility model is shown.

[0020] Legend:

[0021] 100 mounting base, 110 control panel, 120 mounting frame, 210 cooling sleeve, 220 feed pipe, 230 cooling pipe, 240 conveying pipe, 250 three-way valve A, 251 circulation pipe A, 260 temperature sensor A, 310 liquid storage tank, 320 refrigeration plate, 321 cooling fan, 330 circulation pump, 340 liquid inlet pipe, 341 branch pipe, 350 reflux pipe, 360 motor, 370 stirring frame, 410 cooling tank, 420 cooling trough, 430 connecting pipe, 440 reflux pipe B, 510 storage tank, 520 discharge pipe, 530 three-way valve B, 531 circulation pipe B, 540 temperature sensor B. DETAILED DESCRIPTION

[0022] In the description of the present invention, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top" and "vertical" are used to describe the present invention.

[0023] The directions or positional relationships indicated by “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, etc. are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the equipment or components referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0024] In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-6The utility model provides a technical solution: comprising a mounting base 100, a control panel 110 is arranged on one side of the mounting base 100, a mounting frame 120 is fixed to the top of the mounting base 100 by bolts, a first cooling mechanism is arranged on the inner wall of the mounting frame 120, a refrigeration mechanism is arranged on the inner wall of the mounting base 100, the refrigeration mechanism comprises a liquid storage tank 310, a refrigeration plate 320, a cooling fan 321, a circulating pump 330, a liquid inlet pipe 340, a branch pipe 341 and a return pipe 350, the end of the return pipe 350 is connected to the cooling sleeve 210, the mounting base 100 is close to the first cooling mechanism, and the cooling mechanism comprises a liquid storage tank 310, a refrigeration plate 320, a cooling fan 321, a circulating pump 330, a liquid inlet pipe 340, a branch pipe 341 and a return pipe 350, the end of the return pipe 350 is connected to the cooling sleeve 210, and the mounting base 100 is close to the first cooling mechanism. A second cooling mechanism is provided on the inner wall of a cooling mechanism, and a circulation mechanism is provided on the inner wall of the second cooling mechanism; the cooling liquid is transported to the first cooling mechanism by the refrigeration mechanism to perform a first circulation cooling operation on the formaldehyde, and a part of the cooling liquid enters the second cooling mechanism through the branch pipe 341 to perform a second cooling operation on the formaldehyde, and the second circulation cooling operation on the formaldehyde is performed through the circulation mechanism. The above mechanisms cooperate to realize a double circulation cooling operation on the formaldehyde, which can completely cool down the formaldehyde, improve the cooling effect on the formaldehyde, ensure the processing quality of the formaldehyde, and thus improve the practicability of the device.

[0027] Specifically, the first cooling mechanism includes a cooling sleeve 210, which is fixed to the inner wall of the mounting frame 120 by bolts, a feed pipe 220 is fixed to one end of the cooling sleeve 210, a cooling pipe 230 is fixed to one end of the feed pipe 220, a delivery pipe 240 is fixed to one end of the cooling pipe 230, a three-way valve A250 is fixed to the outside of the delivery pipe 240, a circulation pipe A251 is fixed to the top of the three-way valve A250, and a temperature sensor A260 is fixed to the outside of the delivery pipe 240 near the three-way valve A250; the first cooling mechanism is provided to perform the first circulation cooling operation on formaldehyde, and when the temperature is lower than the set value, the formaldehyde enters the circulation mechanism through the delivery pipe 240.

[0028] Specifically, a motor 360 is fixed to the side wall of the liquid storage tank 310 by bolts, and a stirring frame 370 is fixed to the output end of the motor 360; the stirring frame 370 is driven to rotate by the motor 360, and the coolant inside the liquid storage tank 310 is stirred by the stirring frame 370 to ensure that the coolant temperature of various parts inside the liquid storage tank 310 remains uniform.

[0029] Specifically, the second cooling mechanism includes a cooling tank 410, which is fixed to the inner wall of the mounting base 100 by bolts, and a plurality of cooling grooves 420 are fixed to the inner wall of the cooling tank 410, and connecting pipes 430 are fixed to the outer sides of the plurality of cooling grooves 420, and the plurality of cooling grooves 420 are connected by connecting pipes 430, and a return pipe B440 is fixed to one side of the cooling groove 420, and the end of the return pipe B440 is connected to the return pipe 350; the formaldehyde is cooled for the second time by providing a second cooling mechanism.

[0030] Specifically, the circulation mechanism includes a storage tank 510, which is fixed to the inner wall of the cooling tank 410, and a discharge pipe 520 is fixed to the bottom of the storage tank 510, and a three-way valve B530 is fixed to the outside of the discharge pipe 520, and a circulation pipe B531 is fixed to one side of the three-way valve B530, and the circulation pipe B531 is connected to the feed pipe 220, and a temperature sensor B540 is fixed to the outside of the discharge pipe 520 near the three-way valve B530; by providing a circulation mechanism to perform a second circulation cooling operation on formaldehyde, the cooling effect on formaldehyde is improved, the processing quality of formaldehyde is guaranteed, and the practicability of the device is improved.

[0031] Working principle: When in use, the operation of the device is controlled by the control panel 110, formaldehyde enters the cooling pipe 230 through the feed pipe 220, the refrigeration plate 320 cools the coolant stored in the liquid storage tank 310, the stirring frame 370 is driven to rotate by the motor 360, and the coolant in the liquid storage tank 310 is stirred by the stirring frame 370 to ensure that the coolant temperature in various parts of the liquid storage tank 310 remains uniform, the circulation pump 330 is started, and the circulation pump 330 is pumped through the liquid inlet pipe 340. The coolant is transported to the cooling sleeve 210, and the formaldehyde is cooled by the low-temperature coolant inside the cooling sleeve 210. The temperature of the formaldehyde discharged from the feeding pipe 240 is detected by the temperature sensor A260. When the temperature is greater than the set value, the three-way valve A250 guides the formaldehyde into the circulation pipe A251, so that the formaldehyde flows back to the feeding pipe 220 and enters the cooling pipe 230 for secondary cooling, thereby realizing the first circulation cooling operation of the formaldehyde. When the temperature is less than the set value, the formaldehyde passes through the feeding pipe 240. After entering the storage tank 510, the coolant is divided into the branch pipe 341 through the liquid inlet pipe 340 and enters the cooling tank 420 on one side. The multiple cooling tanks 420 are connected by the connecting pipe 430, so that the coolant can flow into the multiple cooling tanks 420, and finally flow into the cooling tank 420 on the other side, and finally enter the return pipe 350 through the return pipe B440. The coolant flows back to the liquid storage tank 310, and the formaldehyde can be cooled for the second time. The cooling tank 420 cools down the formaldehyde, and the formaldehyde is discharged through the discharge pipe 520. The temperature of the formaldehyde is detected by the temperature sensor B540. When the temperature is greater than the set value, the formaldehyde is introduced into the circulation pipe B531 through the three-way valve B530, and enters the feed pipe 220 through the circulation pipe B531, and finally enters the cooling pipe 230, and the formaldehyde is subjected to a second circulation cooling operation. The first cooling mechanism cooperates with the circulation mechanism to realize a double-circulation cooling operation on the formaldehyde, which can completely cool down the formaldehyde.

[0032] The motor involved in the embodiment, its supporting control system, electromagnetic switch and pipeline line can also be provided by the manufacturer. In addition, the power supply module, circuit and electronic components and control module involved in the utility model are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by the utility model does not involve improvements to the internal structure and method.

[0033] Although the present invention discloses embodiments and drawings, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A cooling device for formaldehyde production, characterized in that: The invention comprises a mounting seat (100), a mounting frame (120) being fixed to the top of the mounting seat (100) by bolts, a first cooling mechanism being arranged on the inner wall of the mounting frame (120), a refrigeration mechanism being arranged on the inner wall of the mounting seat (100), the refrigeration mechanism comprising a liquid storage tank (310), the liquid storage tank (310) being fixed to the inner wall of the mounting seat (100) by bolts, a refrigeration plate (320) being fixed to the bottom of the liquid storage tank (310), a plurality of cooling fans (321) being fixed to the bottom of the refrigeration plate (320) by bolts, and the liquid storage tank (310) being fixed to the inner wall of the mounting seat (100) by bolts. A circulation pump (330) is fixed on one side of the storage tank (10), a liquid inlet pipe (340) is fixed on one side of the circulation pump (330), a branch pipe (341) is fixed on the outer side of the liquid inlet pipe (340), an end of the liquid inlet pipe (340) is connected to the cooling sleeve (210), a return pipe (350) is fixed on the other side of the liquid storage tank (310), an end of the return pipe (350) is connected to the cooling sleeve (210), a second cooling mechanism is provided on the inner wall of the mounting seat (100) close to the first cooling mechanism, and a circulation mechanism is provided on the inner wall of the second cooling mechanism.

2. A cooling device for formaldehyde production according to claim 1, characterized in that: A control panel (110) is provided on one side of the mounting base (100).

3. A cooling device for formaldehyde production according to claim 1, characterized in that: The first cooling mechanism comprises a cooling sleeve (210), the cooling sleeve (210) being fixed to the inner wall of the mounting frame (120) by means of bolts, a feed pipe (220) being fixed to one end of the cooling sleeve (210), a cooling pipe (230) being fixed to one end of the feed pipe (220), a delivery pipe (240) being fixed to one end of the cooling pipe (230), a three-way valve A (250) being fixed to the outer side of the delivery pipe (240), a circulation pipe A (251) being fixed to the top of the three-way valve A (250), and a temperature sensor A (260) being fixed to the outer side of the delivery pipe (240) close to the three-way valve A (250).

4. A cooling device for formaldehyde production according to claim 1, characterized in that: A motor (360) is fixed to the side wall of the liquid storage tank (310) via bolts, and a stirring frame (370) is fixed to the output end of the motor (360).

5. A cooling device for formaldehyde production according to claim 1, characterized in that: The second cooling mechanism includes a cooling tank (410), the cooling tank (410) is fixed to the inner wall of the mounting base (100) by bolts, a plurality of cooling grooves (420) are fixed to the inner wall of the cooling tank (410), a connecting pipe (430) is fixed to the outer sides of the plurality of cooling grooves (420), the plurality of cooling grooves (420) are connected by the connecting pipe (430), a return pipe B (440) is fixed to one side of the cooling groove (420), and the end of the return pipe B (440) is connected to the return pipe (350).

6. A cooling device for formaldehyde production according to claim 5, characterized in that: The circulation mechanism includes a storage tank (510), wherein the storage tank (510) is fixed to the inner wall of the cooling tank (410), a discharge pipe (520) is fixed to the bottom of the storage tank (510), a three-way valve B (530) is fixed to the outer side of the discharge pipe (520), a circulation pipe B (531) is fixed to one side of the three-way valve B (530), and the circulation pipe B (531) is connected to the feed pipe (220), and a temperature sensor B (540) is fixed to the outer side of the discharge pipe (520) near the three-way valve B (530).

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