Single-cone evaporator

Abstract

The single-cone evaporator comprises an evaporator shell, a stirring mechanism and a heating mechanism, the evaporator shell is in a single cone shape, a feeding port is formed in the top of the evaporator, a discharging port is formed in the bottom of the evaporator shell, and the stirring mechanism comprises a motor, a speed reducer, a stirring shaft and variable-diameter helical ribbon stirring blades. The motor is connected with the stirring shaft through the speed reducer, the stirring shaft extends into the evaporator shell, and the variable-diameter helical ribbon stirring blade is installed on the stirring shaft and matched with a conical inner cavity in the evaporator shell. The variable-diameter helical ribbon stirring blades matched with the conical inner cavity in the evaporator shell can solve the common stirring problem, residues roll over on the helical ribbon and cannot cake, heat and mass transfer is not affected, gaps between the variable-diameter helical ribbon stirring blades and the inner wall of the evaporator shell are small, the residues cannot be attached to the inner wall of the evaporator shell, and the heat exchange efficiency is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to single cone evaporator field, especially single cone evaporator. BACKGROUND

[0002] Single cone evaporator refers to an evaporator with single cone evaporation chamber or evaporation surface, which evaporates liquid by heating to realize solution concentration, crystallization or separation operation, etc.

[0003] During the evaporation process of the slag-containing material, the slag-containing material is heated and evaporated after entering the single cone evaporator from the feed inlet, but the slag remains in the evaporator. The stirring mechanism of the traditional evaporator does not stir, and the residue adheres to the wall or agglomerates, affecting the heat exchange efficiency. UTILITY MODEL CONTENT

[0004] (I) Technical problem to be solved

[0005] In order to solve the above problems of the prior art, the utility model provides a single cone evaporator.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model adopts the main technical scheme:

[0008] A single cone evaporator, comprising an evaporator shell, a stirring mechanism and a heating mechanism;

[0009] The evaporator shell is single-cone-shaped, the top of the evaporator is provided with a feed inlet, and the bottom of the evaporator shell is provided with a discharge outlet;

[0010] The stirring mechanism comprises a motor, a speed reducer, a stirring shaft and a variable-diameter spiral belt stirring blade;

[0011] The motor is connected to the stirring shaft through the speed reducer, and the stirring shaft extends into the interior of the evaporator shell;

[0012] The variable-diameter spiral belt stirring blade is installed on the stirring shaft and matched with the conical inner cavity in the evaporator shell;

[0013] The heating mechanism is connected to the evaporator shell for heating the evaporator shell.

[0014] Preferably, the heating mechanism comprises a steam companion pipe wound outside the evaporator shell, and hot steam circulates in the steam companion pipe.

[0015] Preferably, it further comprises a defoaming mechanism, which comprises a partition, a speed increasing gear set, a transmission assembly and a defoaming impeller;

[0016] The baffle is arranged in the evaporator shell and divides the evaporator shell into an operation cavity in the upper part and an evaporation cavity in the lower part;

[0017] The stirring mechanism is arranged at the bottom of the evaporator shell, and the stirring shaft extends into the operation cavity and is connected with the speed increasing gear set;

[0018] The speed increasing gear set is connected with the defoaming impeller through the transmission assembly;

[0019] The defoaming impeller is arranged below the baffle.

[0020] Preferably, the transmission assembly comprises a driving shaft and a driven shaft, one end of the driving shaft is connected with the speed increasing gear set, the other end of the driving shaft is connected with the driven shaft through a bevel gear, and the driven shaft is connected with the defoaming impeller.

[0021] Preferably, a sight glass is arranged on the evaporator shell.

[0022] Preferably, a temperature sensor is arranged in the evaporator shell.

[0023] (Three) beneficial effects

[0024] The evaporator shell of the utility model has the advantages that:

[0025] 1. The slag-containing material enters the evaporator shell through the feeding port, the heating mechanism heats and evaporates the slag-containing material in the evaporator shell, the variable-diameter spiral belt stirring blade matched with the conical inner cavity in the evaporator shell can overcome the problem of ordinary stirring, the slag rolls on the spiral belt and does not form a lump, and the heat and mass exchange is not affected, the gap between the variable-diameter spiral belt stirring blade and the inner wall of the evaporator shell is small, the slag does not adhere to the inner wall of the evaporator shell, and the heat exchange efficiency is not affected.

[0026] 2. When the motor drives the stirring shaft to rotate, the defoaming impeller is driven to rotate through the speed increasing gear set and the transmission assembly, defoaming is realized, and the evaporation effect of the material is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 It is a structural schematic view of the first embodiment of the utility model;

[0028] Fig. 2 It is a structural schematic view of the second embodiment of the utility model.

[0029] MARK NO.

[0030] 1. Evaporator shell;

[0031] 2. Stirring mechanism;

[0032] 21, motor; 22, speed reducer; 23, stirring shaft; 24, variable pitch ribbon stirring blade;

[0033] 3, heating mechanism;

[0034] 4, feed inlet;

[0035] 5, discharge outlet;

[0036] 6, defoaming mechanism;

[0037] 61, speed increasing gear set; 62, transmission assembly; 63, partition plate; 64, defoaming impeller. DETAILED DESCRIPTION

[0038] In order to better explain the present application, so as to facilitate understanding, the present application is described in detail by specific embodiments in combination with the drawings.

[0039] Please refer to Figs. 1-2 The present application provides a single cone evaporator, which comprises an evaporator shell 1, a stirring mechanism 2 and a heating mechanism 3.

[0040] The evaporator shell 1 is single cone-shaped, the top of the evaporator is provided with a feed inlet 4, and the bottom of the evaporator shell 1 is provided with a discharge outlet 5.

[0041] The stirring mechanism 2 comprises a motor 21, a speed reducer 22, a stirring shaft 23 and a variable pitch ribbon stirring blade 24.

[0042] The motor 21 is connected to the stirring shaft 23 through the speed reducer 22, and the stirring shaft 23 extends into the inside of the evaporator shell 1.

[0043] The variable pitch ribbon stirring blade 24 is installed on the stirring shaft 23 and is matched with the conical inner cavity in the evaporator shell 1.

[0044] The heating mechanism 3 is connected to the evaporator shell 1 and is used for heating the evaporator shell 1.

[0045] In use, the slag-containing material enters the evaporator shell 1 through the feed inlet 4, the heating mechanism 3 heats and evaporates the slag-containing material in the evaporator shell 1, the variable pitch ribbon stirring blade 24 matched with the conical inner cavity in the evaporator shell 1 can overcome the problem of ordinary stirring, the residue rolls on the ribbon and does not form clumps, and the heat and mass exchange is not affected, the gap between the variable pitch ribbon stirring blade 24 and the inner wall of the evaporator shell 1 is small, the residue does not adhere to the inner wall of the evaporator shell 1, and the heat exchange efficiency is not affected.

[0046] In the embodiment, the heating mechanism 3 comprises a steam companion pipe wound outside the evaporator shell 1, and hot steam circulates in the steam companion pipe.

[0047] In the embodiment, a defoaming mechanism 6 is further included, which comprises a partition plate 63, a speed increasing gear set 61, a transmission assembly 62 and a defoaming impeller 64.

[0048] The partition plate 63 is arranged in the evaporator shell 1, and divides the evaporator shell 1 into an operation cavity at the upper portion and an evaporation cavity at the lower portion.

[0049] The stirring mechanism 2 is arranged at the bottom of the evaporator shell 1, and the stirring shaft 23 extends into the operation cavity and is connected with the speed increasing gear set 61.

[0050] The speed increasing gear set 61 is connected with the defoaming impeller 64 through the transmission assembly 62.

[0051] The defoaming impeller 64 is arranged below the partition plate 63, the transmission assembly 62 comprises a driving shaft and a driven shaft, one end of the driving shaft is connected with the speed increasing gear set 61, the other end of the driving shaft is connected with the driven shaft through a bevel gear, and the driven shaft is connected with the defoaming impeller 64.

[0052] In use, when the motor 21 drives the stirring shaft 23 to rotate, the stirring is realized, and at the same time, the defoaming impeller 64 is driven to rotate through the speed increasing gear set 61 and the transmission assembly 62, so that the defoaming is realized, and the evaporation effect of the material is improved.

[0053] In the embodiment, a sight glass is arranged on the evaporator shell 1.

[0054] In the embodiment, a temperature sensor is arranged in the evaporator shell 1.

[0055] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the utility model specification and the drawings is also included in the patent protection range of the utility model.

[0056] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and the person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined to form other embodiments which can be understood by the person skilled in the art.

Claims

1. A single-cone evaporator characterized in that, The evaporator comprises an evaporator shell, a stirring mechanism and a heating mechanism. The evaporator shell is single-conical, the top of the evaporator is provided with a feeding port, and the bottom of the evaporator shell is provided with a discharging port. The stirring mechanism comprises a motor, a speed reducer, a stirring shaft and a variable-diameter spiral stirring blade. The motor is connected to the stirring shaft through the speed reducer, and the stirring shaft extends into the evaporator shell. The variable-diameter spiral stirring blade is installed on the stirring shaft and is matched with the conical inner cavity in the evaporator shell. The heating mechanism is connected to the evaporator shell for heating the evaporator shell.

2. The single-cone evaporator of claim 1, wherein, The heating mechanism comprises a steam accompanying pipe wound outside the evaporator shell, and hot steam flows in the steam accompanying pipe.

3. The single-cone evaporator of claim 1, wherein, The defoaming mechanism comprises a partition, a speed increasing gear set, a transmission assembly and a defoaming impeller. The partition is arranged in the evaporator shell and divides the evaporator shell into an operation cavity in the upper part and an evaporation cavity in the lower part. The stirring mechanism is arranged at the bottom of the evaporator shell, the stirring shaft extends into the operation cavity and is connected to the speed increasing gear set. The speed increasing gear set is connected to the defoaming impeller through the transmission assembly. The defoaming impeller is arranged below the partition.

4. The single-cone evaporator of claim 3, wherein, The transmission assembly comprises a driving shaft and a driven shaft, one end of the driving shaft is connected to the speed increasing gear set, the other end of the driving shaft is connected to the driven shaft through a bevel gear, and the driven shaft is connected to the defoaming impeller.

5. The single-cone evaporator of claim 1, wherein, A sight glass is arranged on the evaporator shell.

6. The single-cone evaporator of claim 1, wherein, A temperature sensor is arranged in the evaporator shell.

Images