Flash evaporator for producing fatty acid methyl ester

Abstract

The utility model discloses a flash evaporator for producing fatty acid methyl ester, which comprises a rack, a flash evaporation bin is arranged at the upper end of the rack in a penetrating manner, a water storage tank is fixedly mounted on the left side of the top end of the rack, and a co-heating mechanism is mounted in the flash evaporation bin; when the device is used, a worker firstly electrifies an arranged electric heating wire and then starts a first water pump to drive a co-heating mechanism to operate, meanwhile, the worker adds reaction liquid into an atomizer through a feeding pipe, and then the reaction liquid is atomized and sprayed out by the atomizer to be in contact with an arranged annular co-heating pipe, so that flash evaporation processing on the reaction liquid is started; then a second water pump is synchronously started by a worker, so that hot water enters a formed cavity through a second water inlet pipe, and the reaction liquid which is not sprayed to an annular co-heating pipe but is sprayed to the inner wall of a flash evaporation bin is subjected to flash evaporation processing, so that the sufficient flash evaporation of the device on the reaction liquid is further improved; and meanwhile, the flash evaporation efficiency of the device is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flash evaporators, in particular to a flash evaporator used for producing fatty acid methyl ester. Background Art

[0002] In the production process of chemical products, a flash evaporator is often used to evaporate the low-boiling point residues that have not participated in the reaction, leaving useful products with higher purity for subsequent production. In the production process of fatty acid methyl ester, a flash evaporator is used to flash off the low-boiling point methanol that has not participated in the reaction, leaving behind a high-purity product.

[0003] However, many existing flash evaporators for producing fatty acid methyl esters have poor flash evaporation effects and a very limited contact reaction area with the fatty acid methyl esters, making it impossible to fully flash evaporate the liquid.

[0004] Therefore, the utility model provides a flash evaporator for producing fatty acid methyl ester to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a flash evaporator for producing fatty acid methyl esters. The staff starts the first water pump to drive the co-heating mechanism so that the liquid can be fully flash evaporated, and then starts the second water pump synchronously. Through the setting of the cavity, the flash evaporation of the liquid is further enhanced in the device, thereby solving the above-mentioned problem.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a flash evaporator for producing fatty acid methyl esters, comprising a frame, a flash chamber is penetrated at the upper end of the frame, a water storage tank is fixedly installed on the left side of the top end of the frame, a common heating mechanism is installed inside the flash chamber, the common heating mechanism comprises a first water pump, a connecting pipe, an annular common heating pipe, a first water inlet pipe and a first water outlet pipe, a plurality of annular common heating pipes are fixedly connected between two groups of the connecting pipes, the annular common heating pipe located at the bottom of the connecting pipe is fixedly connected to the inner wall of the flash chamber, and a water inlet hole is opened on the outer wall, the annular common heating pipe located at the top of the connecting pipe is opened on the outer wall of the water outlet hole, a first water pump is fixedly installed at the bottom end of the water storage tank, the output end of the first water pump is sealed and connected to the first water inlet pipe, the other end of the first water inlet pipe is sealed and connected to the water inlet hole, the water outlet hole is sealed and connected to the first water outlet pipe, and the other end of the first water outlet pipe extends to the inside of the water storage tank.

[0007] Preferably, the diameter of each group of annular common heating pipes is different, and the diameter increases from bottom to top.

[0008] Preferably, a cavity is opened inside the outer wall of the flash bin, and a second water pump is fixedly installed at the bottom end of the water storage tank. The output end of the second water pump is sealed and connected with a second water inlet pipe, and the other end of the second water inlet pipe is sealed and connected with the cavity. The cavity is located at the upper left end of the flash bin and is sealed and connected with a second water outlet pipe, and the other end of the second water outlet pipe extends to the inside of the water storage tank.

[0009] Preferably, a feed pipe is fixedly installed through the middle position of the top of the flash evaporation bin, an atomizer is fixedly installed at the bottom of the feed pipe, and a discharge port is opened at the bottom of the flash evaporation bin.

[0010] Preferably, a heating wire is fixedly installed at the bottom of the water storage tank, an exhaust pipe is fixedly installed at the top of the flash chamber, a feed hopper is fixedly installed at the top of the feed pipe, and rubber pads are fixedly installed at the four corners of the bottom end of the frame.

[0011] Beneficial Effects

[0012] The utility model provides a flash evaporator for producing fatty acid methyl ester. Compared with the prior art, it has the following beneficial effects:

[0013] When using the device, the staff first energizes the set heating wire, and then starts the first water pump to drive the heating mechanism to operate. At the same time, the staff adds the reaction liquid into the atomizer through the feed pipe, and then the atomizer sprays it out in atomization to contact the set annular heating pipe, thereby starting the flash evaporation process of the reaction liquid. Then the staff synchronously starts the second water pump to allow hot water to enter the opened cavity through the second water inlet pipe, thereby flash evaporating the reaction liquid that is not sprayed onto the annular heating pipe but sprayed onto the inner wall of the flash evaporation bin, thereby further improving the sufficient flash evaporation of the reaction liquid by the device, and also improving the flash evaporation efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above in cross section;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model when viewed from below;

[0017] Figure 4 This utility model Figure 3 Enlarged structural diagram at A in the middle.

[0018] In the figure, 1 is a frame; 2 is a flash chamber; 3 is a water storage tank; 4 is a first water pump; 5 is a connecting pipe; 6 is a ring-shaped common heating pipe; 7 is a first water inlet pipe; 8 is a first water outlet pipe; 9 is a cavity; 10 is a second water pump; 11 is a second water inlet pipe; 12 is a second water outlet pipe; 13 is an electric heating wire; 14 is a feed pipe; 15 is a feed hopper; 16 is an atomizer; 17 is an exhaust pipe; 18 is a discharge port; 19 is a rubber pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example:

[0021] See also Figure 1-4 A flash evaporator for producing fatty acid methyl ester comprises a frame 1, a flash chamber 2 is penetrated at the upper end of the frame 1, a water storage tank 3 is fixedly installed on the left side of the top of the frame 1, a common heating mechanism is arranged inside the flash chamber 2, the common heating mechanism comprises a first water pump 4, a connecting pipe 5, an annular common heating pipe 6, a first water inlet pipe 7 and a first water outlet pipe 8, a plurality of annular common heating pipes 6 are fixedly connected between two groups of connecting pipes 5, the annular common heating pipe 6 at the bottom of the connecting pipe 5 is fixedly connected to the inner wall of the flash chamber 2, and a water inlet hole is opened on the outer wall, the annular common heating pipe 6 at the top of the connecting pipe 5 is opened on the outer wall of the water storage tank 3, a first water pump 4 is fixedly installed at the bottom end of the water storage tank 3, and the output end of the first water pump 4 is sealed A first water inlet pipe 7 is sealed and connected, the other end of the first water inlet pipe 7 is sealed and connected to the water inlet hole, the water outlet hole is sealed and connected to the first water outlet pipe 8, the other end of the first water outlet pipe 8 extends to the inside of the water storage tank 3, the diameter of each group of annular common heating pipes 6 is different, and the diameters are progressive from bottom to top, a feed pipe 14 is fixedly installed through the middle position of the top of the flash vaporization bin 2, an atomizer 16 is fixedly installed at the bottom of the feed pipe 14, a discharge port 18 is opened at the bottom of the flash vaporization bin 2, an electric heating wire 13 is fixedly installed at the bottom of the water storage tank 3, an exhaust pipe 17 is fixedly installed at the top of the flash vaporization bin 2, a feed hopper 15 is fixedly installed at the top of the feed pipe 14, and rubber pads 19 are fixedly installed at the four corners of the bottom end of the frame 1.

[0022] When using the device, the staff first energizes the set heating wire 13, and then starts the first water pump 4, so that the hot water inside the water tank 3 is pumped into the set annular common heating pipe 6 through the first water inlet pipe 7, and then the hot water is circulated to each group of annular common heating pipes 6 through the set connecting pipe 5, and then flows back to the water tank 3 through the first water outlet pipe 8, so that the reaction liquid added into the atomizer 16 through the set feed pipe 14 can be flashed. The diameter of each group of annular common heating pipes 6 is different, and the diameter is arranged in a progressive manner from bottom to top, so that the annular common heating pipes 6 can fully contact with the atomized reaction liquid.

[0023] A cavity 9 is opened inside the outer wall of the flash evaporation bin 2, and a second water pump 10 is fixedly installed at the bottom end of the water storage tank 3. The output end of the second water pump 10 is sealed and connected with a second water inlet pipe 11, and the other end of the second water inlet pipe 11 is sealed and connected with the cavity 9. The cavity 9 is located at the upper left end of the flash evaporation bin 2 and is sealed and connected with a second water outlet pipe 12, and the other end of the second water outlet pipe 12 extends to the inside of the water storage tank 3.

[0024] The staff starts the second water pump 10 synchronously, thereby synchronously pumping the hot water inside the water storage tank 3 into the opened cavity 9, so that the reaction liquid that is not sprayed onto the annular common heating pipe 6 but sprayed onto the inner wall of the flash chamber 2 can be flash evaporated, which further improves the sufficient flash evaporation of the reaction liquid by the device, and also improves the flash evaporation efficiency of the device. Finally, by fixing the rubber pads 19 at the four corners of the bottom end of the frame 1, the device is more stable during operation.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flash evaporator for producing fatty acid methyl esters, comprising a frame (1), characterized in that: A flash chamber (2) is provided through the upper end of the frame (1), a water storage tank (3) is fixedly installed on the left side of the top end of the frame (1), a heat-sharing mechanism is installed inside the flash chamber (2), and the heat-sharing mechanism comprises a first water pump (4), a connecting pipe (5), an annular heat-sharing pipe (6), a first water inlet pipe (7) and a first water outlet pipe (8), a plurality of annular heat-sharing pipes (6) are fixedly connected between two groups of connecting pipes (5), and the annular heat-sharing pipe (6) located at the bottom of the connecting pipe (5) is connected to the flash chamber (2). The inner wall is fixedly connected, and a water inlet hole is opened on the outer wall; a water outlet hole is opened on the outer wall of the annular common heating pipe (6) located at the top of the connecting pipe (5); a first water pump (4) is fixedly installed at the bottom end of the water storage tank (3); the output end of the first water pump (4) is sealed and connected to a first water inlet pipe (7); the other end of the first water inlet pipe (7) is sealed and connected to the water inlet hole; the water outlet hole is sealed and connected to a first water outlet pipe (8); the other end of the first water outlet pipe (8) extends to the inside of the water storage tank (3).

2. A flash evaporator for producing fatty acid methyl esters according to claim 1, characterized in that: The diameters of each group of annular common heating pipes (6) are different, and the diameters increase in sequence from bottom to top.

3. A flash evaporator for producing fatty acid methyl ester according to claim 1, characterized in that: A cavity (9) is provided inside the outer wall of the flash evaporation bin (2); a second water pump (10) is fixedly installed at the bottom end of the water storage tank (3); the output end of the second water pump (10) is sealedly connected to a second water inlet pipe (11); the other end of the second water inlet pipe (11) is sealedly connected to the cavity (9); the cavity (9) is sealedly connected to a second water outlet pipe (12) at the upper left end of the flash evaporation bin (2); the other end of the second water outlet pipe (12) extends to the inside of the water storage tank (3).

4. A flash evaporator for producing fatty acid methyl esters according to claim 1, characterized in that: A feed pipe (14) is fixedly installed through the middle position of the top of the flash evaporation bin (2), an atomizer (16) is fixedly installed at the bottom of the feed pipe (14), and a discharge port (18) is opened at the bottom of the flash evaporation bin (2).

5. A flash evaporator for producing fatty acid methyl esters according to claim 4, characterized in that: The bottom of the water storage tank (3) is fixedly provided with an electric heating wire (13), and the top of the flash steaming chamber (2) is An exhaust pipe (17) is fixedly installed at the end, and a feed hopper (15) is fixedly installed at the top of the feed pipe (14). Rubber pads (19) are fixedly installed at the four corners of the bottom end of the frame (1).

Images