Calcium lactate two-stage forced circulation evaporator

Abstract

The utility model relates to the technical field of calcium lactate concentration, in particular to a calcium lactate two-stage forced circulation evaporator, which preheats a pipeline and liquid through a preheating device, improves the initial temperature of calcium lactate, reduces the heating time of the calcium lactate in an evaporation container, and heats and evaporates the calcium lactate through a heating device. The concentrated calcium lactate is sent out of the equipment at a constant speed through the extrusion device, so that the practicability and the stability of the equipment are improved; comprising a preheating device, a heating device and an extrusion device, the heating device is connected with the preheating device, and the extrusion device is connected with the heating device.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of calcium lactate concentration, especially to a calcium lactate double-stage forced circulation evaporator. BACKGROUND

[0002] The calcium lactate double-stage forced circulation evaporator is a device specially used for evaporating and concentrating calcium lactate solution. Through the concentration process, part of impurities in the calcium lactate solution can be removed. These impurities may be precipitated and deposited on the heating tube wall of the evaporator during the concentration process, affecting the product quality. The concentrated calcium lactate has higher purity and is more suitable for use in high-demand fields such as medicine and food. The solubility of calcium lactate changes significantly with temperature. Through concentration, the mass concentration of calcium lactate in the solution can be increased, making it easier to reach a supersaturated state, so that better quality crystals can be obtained during cooling crystallization.

[0003] The existing technology, Chinese utility model patent with application number CN201822242671.5, relates to a calcium lactate double-effect evaporator, which includes a double-effect evaporator, a discharge pipe, a variable diameter pipe, an acidolysis tank, a steam pipe, and a condenser pipe, etc. It can prevent calcium lactate from blocking the pipeline when it is discharged due to cold crystallization.

[0004] However, the above-mentioned device has the problem that impurities will adhere to the inner wall during the concentration of calcium lactate, affecting the heating and evaporation efficiency of the equipment and the quality of the product. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a calcium lactate double-stage forced circulation evaporator which preheats the pipeline and liquid through a preheating device, increases the initial temperature of calcium lactate, reduces the time required for heating calcium lactate in the evaporation container, heats and evaporates calcium lactate through a heating device, concentrates calcium lactate, uniformly sends out the concentrated calcium lactate from the equipment through an extrusion device, and improves the practicability and stability of the device.

[0006] The utility model relates to a calcium lactate double-stage forced circulation evaporator, which comprises a preheating device, a heating device, and an extrusion device. The heating device is connected to the preheating device, and the extrusion device is connected to the heating device. The pipeline and liquid are preheated through the preheating device to increase the initial temperature of calcium lactate and reduce the time required for heating calcium lactate in the evaporation container. The calcium lactate is heated and evaporated through the heating device to concentrate the calcium lactate. The concentrated calcium lactate is uniformly sent out from the equipment through the extrusion device, improving the practicability and stability of the device.

[0007] Preferably, the preheating device comprises a preheating bin, a tube preheater, a heat preservation pipeline and a water valve, a tube preheater is installed in the middle of the preheating bin, a group of heat preservation pipelines are connected to the lower part and the upper part of the tube preheater respectively, the lower heat preservation pipeline is a steam input end, a condensate water discharge port is arranged at the lower part of the tube preheater, and a water valve is installed on the condensate water discharge port; high-temperature steam is introduced into the tube preheater through the heat preservation pipeline, the preheating bin and the tube preheater cooperate to preheat the input calcium lactate solution, the basic temperature of the calcium lactate solution is improved, the time required for heating the calcium lactate solution in the evaporation container is reduced, the production efficiency and stability of the equipment are improved, the discharge of condensate water in the tube preheater is controlled through the water valve, and the practicability of the device is improved.

[0008] Preferably, the heating device comprises a heat preservation shell, an evaporation bin, a first motor, a spiral lifting blade, a material transparent hole and a scraper, a feeding port is arranged on the upper end face of the heat preservation shell, the feeding port is connected with the output end of the preheating bin, the evaporation bin is installed in the heat preservation shell, a heat preservation chamber is arranged between the evaporation bin and the heat preservation shell, the first motor is installed on the upper end face of the heat preservation shell, the output end of the first motor extends to the inside of the heat preservation shell through the upper end face of the heat preservation shell, the spiral lifting blade is connected with the output end of the first motor, a plurality of groups of material transparent holes are uniformly arranged on the surface of the spiral lifting blade, the scraper is arranged on the edge of the outer side surface of the spiral lifting blade, a steam discharge port is arranged on the upper end face of the heat preservation shell, and the steam discharge port is communicated with the heat preservation pipeline on the input end of the tube preheater; the chamber between the heat preservation shell and the evaporation bin is used for heat preservation of the evaporation bin, heat loss is reduced, the first motor is started to transmit power to the spiral lifting blade to drive the spiral lifting blade to rotate, so that the bottom calcium lactate solution is continuously lifted upwards, the concentration of the bottom calcium lactate solution is prevented from being too high to cause the material to be unable to normally discharge from the equipment, the calcium lactate solution falls uniformly in the lifting process through the material transparent holes on the spiral lifting blade, so that the overall heating of the calcium lactate solution is uniform, and the impurities adhered to the inner side surface of the evaporation bin are scraped off through the scraper, the heating efficiency of the equipment is improved, the labor intensity of the operator in the cleaning process of the inside of the equipment is reduced, and the practicability of the device is improved.

[0009] Preferably, the bearing base and the supporting rod are further arranged, the bearing base is fixed on the bottom end face of the evaporation bin through a plurality of supporting rods, and the bottom of the spiral lifting blade is connected with the bearing base through a bearing; the bearing base and the supporting rod cooperate to provide support for the vertical rotation process of the spiral lifting blade, the vibration amplitude of the spiral lifting blade in the rotation process is reduced, the friction and collision between the scraper and the inner side surface of the evaporation bin are reduced, the stability and practicability of the device are improved.

[0010] Preferably, the extrusion device comprises a solenoid valve, an extrusion bin, a spiral extrusion blade, a second motor and an extrusion head, the solenoid valve is mounted on the output end of the heat preservation shell, the extrusion bin is located on the lower side of the heat preservation shell, the second motor is mounted on the left end surface of the extrusion bin, the spiral extrusion blade is horizontally mounted in the extrusion bin, the output end of the second motor is connected with the spiral extrusion blade, the upper end surface left part of the extrusion bin is connected with the output end of the heat preservation shell through a pipeline, and the extrusion head is arranged on the right end surface of the extrusion bin; the discharge of the concentrated material in the evaporation bin is controlled through the solenoid valve, the second motor is started to transmit power to the spiral extrusion blade to drive the spiral extrusion blade to rotate, and then the concentrated material is conveyed and extruded to the right, and the material can be uniformly extruded through the extrusion head, so that the stability and continuity of the material output of the equipment are improved.

[0011] Preferably, the heating pipe is further arranged on the outer side surface of the evaporation bin; the material in the evaporation bin is heated by passing high-temperature medium into the heating pipe, and the material is uniformly heated by cooperating with the heating device, so that the practicability of the equipment is improved.

[0012] Compared with the prior art, the device has the beneficial effects that: the pipeline and the liquid are preheated by the preheating device, the initial temperature of calcium lactate is improved, the time required for heating calcium lactate in the evaporation container is reduced, calcium lactate is heated and evaporated by the heating device, calcium lactate is uniformly sent out of the equipment by the extrusion device after being concentrated, and the practicability and stability of the device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the axonometric structure schematic diagram of the utility model;

[0014] Figure 2 is the first cross section structure schematic diagram of the utility model;

[0015] Figure 3 is the second cross section structure schematic diagram of the utility model;

[0016] Figure 4 is the third cross section structure schematic diagram of the utility model;

[0017] Figure 5 is the fourth cross section structure schematic diagram of the utility model;

[0018] Markings in the drawings: 1, preheating bin; 2, column tube type preheater; 3, heat preservation pipeline; 4, water valve; 5, heat preservation shell; 6, evaporation bin; 7, first motor; 8, spiral lifting blade; 9, material hole; 10, scraper; 11, bearing base; 12, support rod; 13, solenoid valve; 14, extrusion bin; 15, spiral extrusion blade; 16, second motor; 17, extrusion head; 18, heating pipe. DETAILED DESCRIPTION

[0019] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Embodiments

[0020] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The heating device is installed on the preheating device, and the extruding device is connected with the heating device;

[0021] First, high-temperature steam is introduced into the column tube preheater 2 through the heat preservation pipeline 3, and the preheating bin 1 and the column tube preheater 2 cooperate to preheat the input calcium lactate solution, then the first motor 7 is started to transmit power to the spiral lifting blade 8 to drive the spiral lifting blade 8 to rotate, thereby continuously lifting the bottom calcium lactate solution upwards, and the impurities adhering to the inner side of the evaporation bin 6 are scraped off through the scraper 10, and at the same time, the high-temperature medium is introduced into the heating pipe 18 to heat the material in the evaporation bin 6, then the electromagnetic valve 13 controls the discharge of the concentrated material in the evaporation bin 6, the second motor 16 is started to transmit power to the spiral extruding blade 15 to drive the spiral extruding blade 15 to rotate, thereby conveying and extruding the concentrated material to the right, and cooperating with the extruding head 17 to make the material uniformly extruded.

[0022] The preheating device comprises a preheating bin 1, a column tube preheater 2, a heat preservation pipeline 3 and a water valve 4, the column tube preheater 2 is installed in the middle of the preheating bin 1, a group of heat preservation pipelines 3 are connected to the lower part and the upper part of the column tube preheater 2 respectively, the lower heat preservation pipeline 3 is a steam input end, a condensate water discharge port is arranged on the lower part of the column tube preheater 2, and the water valve 4 is installed on the condensate water discharge port;

[0023] The heating device comprises a heat preservation shell 5, an evaporation bin 6, a first motor 7, a spiral lifting blade 8, a material transparent hole 9 and a scraper 10, a feeding port is arranged on the upper end face of the heat preservation shell 5, the feeding port is connected with the output end of the preheating bin 1, the evaporation bin 6 is installed in the heat preservation shell 5, a heat preservation chamber is arranged between the evaporation bin 6 and the heat preservation shell 5, the first motor 7 is installed on the upper end face of the heat preservation shell 5, the output end of the first motor 7 extends to the inside of the heat preservation shell 5 through the upper end face of the heat preservation shell 5, the spiral lifting blade 8 is connected with the output end of the first motor 7, a plurality of groups of material transparent holes 9 are uniformly arranged on the surface of the spiral lifting blade 8, and the scraper 10 is arranged on the edge of the outer side face of the spiral lifting blade 8;

[0024] The bottom end surface of the evaporation bin 6 is fixed with the bearing base 11 through a plurality of support rods 12, and the bottom of the screw lifting blade 8 is connected with the bearing base 11 through a bearing;

[0025] The extrusion device comprises an electromagnetic valve 13, an extrusion bin 14, a screw extrusion blade 15, a second motor 16 and an extrusion head 17, the electromagnetic valve 13 is installed on the output end of the heat preservation shell 5, the extrusion bin 14 is located on the lower side of the heat preservation shell 5, the second motor 16 is installed on the left end surface of the extrusion bin 14, the screw extrusion blade 15 is horizontally installed in the extrusion bin 14, the output end of the second motor 16 is connected with the screw extrusion blade 15, the left part of the upper end surface of the extrusion bin 14 is connected with the output end of the heat preservation shell 5 through a pipeline, and the extrusion head 17 is arranged on the right end surface of the extrusion bin 14;

[0026] The outer side surface of the evaporation bin 6 is wound with a heating pipe 18;

[0027] Firstly, high-temperature steam is introduced into the column tube preheater 2 through the heat preservation pipeline 3, the preheating bin 1 and the column tube preheater 2 cooperate to preheat the input calcium lactate solution, then the first motor 7 is started to transmit power to the screw lifting blade 8 to drive the screw lifting blade 8 to rotate, so that the bottom calcium lactate solution is continuously lifted upwards, the scraper 10 is used for scraping off the impurities adhered to the inner side surface of the evaporation bin 6, and the heating pipe 18 is used for heating the materials in the evaporation bin 6 by introducing high-temperature medium into the heating pipe 18, then the electromagnetic valve 13 is used for controlling the discharge of the concentrated materials in the evaporation bin 6, the second motor 16 is started to transmit power to the screw extrusion blade 15 to drive the screw extrusion blade 15 to rotate, and then the concentrated materials are extruded to the right, and the extrusion head 17 is used for uniformly extruding the materials.

[0028] As shown in Figures 1 to 5 The utility model discloses a calcium lactate double -stage forced circulation evaporator, when working, first through heat preservation pipeline 3 to the column tube preheater 2 inside import high -temperature steam, preheating bin 1 and column tube preheater 2 cooperation to the input calcium lactate solution preheating, then the first motor 7 is started to transmit power to the screw lifting blade 8 to drive the screw lifting blade 8 to rotate, so that the bottom calcium lactate solution is continuously lifted upwards, the scraper 10 is used for scraping off the impurities adhered to the inner side surface of the evaporation bin 6, and the heating pipe 18 is used for heating the materials in the evaporation bin 6 by introducing high-temperature medium into the heating pipe 18, then the electromagnetic valve 13 is used for controlling the discharge of the concentrated materials in the evaporation bin 6, the second motor 16 is started to transmit power to the screw extrusion blade 15 to drive the screw extrusion blade 15 to rotate, and then the concentrated materials are extruded to the right, and the extrusion head 17 is used for uniformly extruding the materials.

[0029] The column tube type preheater 2, the first motor 7, the second motor 16 and the electromagnetic valve 13 of the calcium lactate double-stage forced circulation evaporator are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, and the technical personnel in the field does not need to pay creative labor.

[0030] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principle of the utility model, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A calcium lactate two-stage forced circulation evaporator; characterized in that, It includes a preheating device, a heating device, and an extrusion device. The heating device is connected to the preheating device, and the extrusion device is connected to the heating device. The heating device includes an insulating shell (5), an evaporation chamber (6), a first motor (7), a spiral lifting blade (8), a material passage hole (9), and a scraper (10). The upper surface of the insulating shell (5) is provided with a feed inlet, which is connected to the output end of the preheating chamber (1). The evaporation chamber (6) is installed inside the insulating shell (5). An insulating chamber is provided between the evaporation chamber (6) and the insulating shell (5). The first motor (7) is installed on the upper surface of the heat insulation shell (5). The output end of the first motor (7) extends through the upper surface of the heat insulation shell (5) into the interior of the heat insulation shell (5). The spiral lifting blade (8) is connected to the output end of the first motor (7). Multiple sets of material passage holes (9) are evenly arranged on the surface of the spiral lifting blade (8). A scraper (10) is provided on the outer edge of the spiral lifting blade (8). A steam outlet is provided on the upper surface of the heat insulation shell (5). The steam outlet is connected to the heat insulation pipe (3) on the input end of the tube preheater (2).

2. The calcium lactate two-stage forced circulation evaporator as described in claim 1, characterized in that, The preheating device includes a preheating chamber (1), a tubular preheater (2), an insulated pipe (3), and a water valve (4). The tubular preheater (2) is installed in the middle of the preheating chamber (1). A set of insulated pipes (3) are connected to the lower and upper parts of the tubular preheater (2). The lower insulated pipe (3) is the steam input end. A condensate drain is provided at the lower part of the tubular preheater (2), and a water valve (4) is installed on the condensate drain.

3. The calcium lactate two-stage forced circulation evaporator as described in claim 2, characterized in that, It also includes a bearing base (11) and a support rod (12). The bearing base (11) is fixed on the bottom surface of the evaporation chamber (6) by multiple sets of support rods (12). The bottom of the spiral lifting blade (8) is connected to the bearing base (11) by a bearing.

4. The calcium lactate two-stage forced circulation evaporator as described in claim 3, characterized in that, The extrusion device includes a solenoid valve (13), an extrusion chamber (14), a spiral extrusion blade (15), a second motor (16), and an extrusion head (17). The solenoid valve (13) is installed on the output end of the insulation shell (5). The extrusion chamber (14) is located on the lower side of the insulation shell (5). The second motor (16) is installed on the left end face of the extrusion chamber (14). The spiral extrusion blade (15) is horizontally installed inside the extrusion chamber (14). The output end of the second motor (16) is connected to the spiral extrusion blade (15). The upper left side of the extrusion chamber (14) is connected to the output end of the insulation shell (5) through a pipe. The extrusion head (17) is provided on the right end face of the extrusion chamber (14).

5. A calcium lactate two-stage forced circulation evaporator as described in claim 4, characterized in that, It also includes heating tubes (18), which are wrapped around the outer surface of the evaporation chamber (6).

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