CN113274748B

CN113274748B - Fish soluble slurry concentration device

Info

Publication number: CN113274748B
Application number: CN202110452703.8A
Authority: CN
Inventors: 张银照; 唐峰; 周龙锡; 吴代武
Original assignee: Zhejiang Fengyu Marine Biological Products Co ltd
Current assignee: Zhejiang Fengyu Marine Biological Products Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2023-03-17
Anticipated expiration: 2041-04-26
Also published as: CN113274748A

Abstract

The invention discloses a fish soluble slurry concentrating device, and relates to the technical field of fish soluble slurry manufacturing. The invention comprises a reaction tank for concentration and a condenser for steam liquefaction, wherein a liquid storage tank body with the upper end for heat conduction of liquid in a plane is arranged on the peripheral side surface of the lower half part of the reaction tank; the lower end of the liquid storage tank body is provided with a through hole, and an oil bath electric heater is welded and fixed at the edge of the through hole; steam generators which are axially symmetrically arranged relative to the reaction tank are arranged in the liquid storage tank body; both ends of the steam generator penetrate through the upper side of the liquid storage box body. According to the invention, the liquid storage tank body oil bath electric heater is arranged at the lower part of the reaction tank for heating so as to conduct heat to the whole reaction tank, the steam generator provides steam and hot air to the inner part of the lower end of the reaction tank, the inside and the outside of the fish soluble slurry in the reaction tank are simultaneously heated, and the crushing stirring disc, the separating and mixing stirring disc and the scraping disc are matched for stirring and scraping, so that the fish soluble slurry in the reaction tank is uniformly concentrated, and the external condenser condenses the discharged steam to accelerate the discharge efficiency and the concentration efficiency.

Description

Fish soluble slurry concentration device

Technical Field

The invention belongs to the technical field of fish soluble paste preparation, and particularly relates to a fish soluble paste concentrating device.

Background

The fish soluble pulp is the squeezing waste water produced in the production process of fish meal, and two to three times of fish soluble pulp can be produced when one ton of fish meal is produced. In the prior fish meal production process, the fish dissolving pulp is usually directly discharged into the environment, which not only wastes the resource rich in protein, but also causes serious environmental pollution. In recent years, researchers in the industry have made more researches on how to utilize fish soluble paste, for example, food grade flavor enhancer (CN 107136465A) is produced by using fish soluble paste, the obtained flavor enhancer is easy to absorb and has enough flavor, or protein fertilizer (CN 105060944A) is prepared by using fish soluble paste, which not only has the functions of providing nutrients for crops and increasing yield, but also can improve soil condition and promote healthy growth of crops. The fish soluble slurry is from marine fishes, has peculiar fishy smell of the fishes, generates other flavor substances through a hydrolysis process, and is a feed additive with excellent quality. The follow-up processing of fish soluble paste needs multichannel process, and the workshop of production fish meal and follow-up processing fish soluble paste is generally not in the same place, need dissolve the new workshop that the thick liquid was transported with the fish, and the fish soluble paste that freshly extrudes contains a large amount of moisture, and single effective transportation volume is lower. Utility model with application number 201820909389.5 discloses a fish soluble pulp enrichment facility, including separator, heater, condenser, be provided with inlet and liquid outlet on the separator, separator bottom export is linked together through the import of pipeline with the heater bottom, and the top of heater is provided with the delivery outlet, and the delivery outlet is linked together through last pipeline and concentrate import, is provided with gas exhaust port at the top of separator, gas exhaust port through the pipeline with the import of condenser is linked together, is provided with the condensate export in the condenser to be provided with on the condenser and enable the condenser inner chamber and take out into vacuum device, when the inner chamber of condenser produces the negative pressure because of vacuum device bleeds, the inner chamber of condenser, separator inner chamber, the top inner chamber of heater form vacuum state together because of intercommunication. The advantages are that: the vacuum device sucks the gas evaporated by heating in the separator into the condenser and enables the separator to form vacuum, so that vacuum concentration is realized, the gas evaporation temperature is low, the energy consumption is reduced, and the fish dissolving pulp is heated mildly. The whole structure of the scheme is complex, the flow is complex, the efficiency of cooling to form vacuum is low, the whole evaporation process is slow, and the efficiency is low. Therefore this application file provides a fish dissolving pulp enrichment facility, reduces the equipment volume, improves evaporation rate for concentration efficiency.

Disclosure of Invention

The invention aims to provide a fish soluble slurry concentration device, which is characterized in that a liquid storage box body oil bath electric heater is arranged at the lower part of a reaction tank for heating so as to transfer heat to the whole reaction tank, a steam generator provides steam and hot air to the inside of the lower end of the reaction tank, the inside and the outside of fish soluble slurry in the reaction tank are simultaneously heated, and a crushing stirring disc, a separating and mixing stirring disc and a scraping disc are matched for stirring and scraping, so that the fish soluble slurry concentration process in the reaction tank is uniform, the steam condensed and discharged by an external condenser is accelerated in discharge efficiency, the concentration efficiency is accelerated, and the problem of large size of the existing device is solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a fish soluble slurry concentrating device, which comprises a reaction tank for concentrating and a condenser for steam liquefaction, wherein a liquid storage tank body with the upper end being in heat conduction with liquid in a plane is arranged on the peripheral side surface of the lower half part of the reaction tank; the lower end of the liquid storage tank body is provided with a through hole, and an oil bath electric heater is welded and fixed at the edge of the through hole; steam generators which are axially symmetrically arranged relative to the reaction tank are arranged in the liquid storage tank body; two ends of the steam generator penetrate through the upper side of the liquid storage box body; the steam generator is communicated with the cambered surface part at the bottom of the reaction tank through a plurality of steam injection heads; the upper end of the reaction tank is fixedly communicated with a feeding pipe; the lower end of the reaction tank is fixedly communicated with a discharge pipe penetrating to the outside of the liquid storage box body; a ball valve is arranged on the discharge pipe; a stirring motor is arranged at the upper end of the reaction tank; a stirring shaft of the stirring motor extends into the reaction tank, and a crushing stirring disc, three separating and mixing stirring discs and a scraping disc for bottom scraping are arranged from top to bottom; the upper end of the reaction tank is fixedly communicated with a pressure maintaining bin; and an exhaust pipe connected with the condenser is arranged on the pressure maintaining bin.

Further, a foaming heat-insulating layer is sprayed on the peripheral side surface of the liquid storage tank body; a water inlet pipe is arranged at the upper end of the liquid storage tank body; a valve is arranged on the water inlet pipe; four fixed support rods are installed on the lower side of the liquid storage box body.

Furthermore, the end face of the oil bath electric heater extending to the interior of the liquid storage tank body is fixedly provided with a heat conduction clamping piece which bypasses a heating pipeline in the steam generator.

Further, the steam generator comprises a U-shaped heating pipe with two sealed ends; the peripheral side surfaces of the two end parts of the U-shaped heating pipe are fixedly penetrated through a branch pipe; a valve is arranged on each of the two branch pipes; two end parts of the U-shaped heating pipe are fixedly communicated with an air duct; the other end of the air duct penetrates through the liquid storage tank body to the lower end part of the reaction tank; the steam injector head is communicated with the air duct through a threaded joint.

Further, the steam spray head comprises a first external thread sleeve which is in threaded through connection with the reaction tank; a second external thread sleeve is fixed on the inner wall of one end of the first external thread sleeve; a conical spray head is fixed on the end face of the second external thread sleeve in the first external thread sleeve; the end part of the conical spray head is provided with a conical nozzle.

Further, the crushing stirring disc comprises a first cylindrical sleeve; two horizontal cutting plates which are arranged in an axisymmetric manner are fixed on the circumferential side surface of the first cylindrical sleeve; a plurality of first vertical cutting plates are fixed on the lower surface of the horizontal cutting plate; a stainless steel chain for crushing is fixed at the lower end part of the first vertical cutting plate; a plurality of second vertical cutting boards are fixed on the upper surface of the horizontal cutting board, and the second vertical cutting boards and the first vertical cutting boards are arranged in a staggered mode.

Further, the separating and mixing stirring disc comprises a second cylindrical sleeve; four first supporting plates are fixed on the peripheral side face of the second cylindrical sleeve; two quarter-circle material turning plates are symmetrically fixed on the upper and lower surfaces of one side of the cutting edge of the first supporting plate; and a triangular prism is fixed on one side surface of the cutting edge of the first supporting plate.

Further, the scraping disc comprises a third cylindrical sleeve; two second supporting plates which are arranged in an axisymmetric manner are fixed on the peripheral side surface of the third cylindrical sleeve; a shovel plate is fixed at the end part of the second supporting plate; the shovel plate is provided with an arc part matched with the arc surface at the bottom of the reaction tank.

The invention has the following beneficial effects:

1. according to the invention, the liquid storage tank body is arranged at the lower part of the reaction tank, the whole reaction tank is heated through the oil bath electric heater to conduct heat to the whole reaction tank, the oil bath electric heater heats the steam generator to provide steam and hot air to the inner part of the lower end of the reaction tank, the inside and the outside of the fish soluble slurry in the reaction tank are simultaneously heated, the crushing stirring disc, the separation mixing stirring disc and the scraping disc are matched for stirring and scraping, the concentration process of the fish soluble slurry in the reaction tank is uniform, and the steam discharged by the condensation of the external condenser is accelerated in discharge efficiency and accelerated in concentration efficiency.

2. According to the invention, water in the heated U-shaped heating pipe of the steam generator is heated into steam which is guided to the bottom of the reaction tank from the air guide pipe and sprayed from the steam spraying head, the conical spraying head is arranged in the first external thread sleeve to effectively prevent scratching and extrusion blockage, the steam spraying head uniformly distributed at the bottom of the reaction tank provides hot steam and high-temperature air to sterilize fish soluble paste, and the whole evaporation rate is improved in cooperation with uniform heating of an external liquid storage tank body.

3. According to the invention, the crushing stirring disc crushes the fish soluble slurry entering the reaction tank again through the horizontal cutting plate, the first vertical cutting plate and the second vertical cutting plate in the rotating process, the stainless steel chain breaks up the fish soluble slurry to fall uniformly in the rotating process, and the fish soluble slurry falls uniformly.

4. The separation mixing stirring disc mainly has the functions of turning and mixing the fish dissolving pulp accumulated in the reaction tank, and the mixing process ensures the consistency of water evaporation in the fish dissolving pulp and the uniformity of all the fish dissolving pulp.

5. The scraping plate circularly scrapes the bottom of the reaction tank, prevents the fish dissolving pulp from bottom pasting in the reaction tank, and facilitates the fish dissolving pulp to be completely and smoothly separated from the bottom of the reaction tank during feeding.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a fish dissolving pulp concentrating apparatus according to the present invention;

FIG. 2 is a schematic view of the present invention with the condenser removed;

FIG. 3 is a top view of the present invention with the condenser removed;

FIG. 4 isbase:Sub>A cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a schematic cross-sectional view of a vapor jet head;

FIG. 6 is an enlarged view of a portion of FIG. 4 at A;

FIG. 7 is an enlarged view of a portion of FIG. 4 at B;

FIG. 8 is an enlarged view of a portion of FIG. 4 at C;

in the drawings, the reference numbers indicate the following list of parts:

1-a reaction tank, 2-a condenser, 3-a liquid storage tank body, 4-an oil bath electric heater, 5-a steam generator, 6-a steam injection head, 7-a stirring motor, 8-a crushing stirring disc, 9-a separating mixing stirring disc, 10-a scraping disc, 11-a pressure maintaining bin, 12-an exhaust pipe, 13-a heat conducting clamping piece, 501-a U-shaped heating pipe, 502-a branch pipe, 503-an air guide pipe, 601-a first external thread sleeve, 602-a second external thread sleeve, 603-a cone injection head, 604-a cone nozzle, 801-a first cylindrical sleeve, 802-a horizontal cutting plate, 803-a first vertical cutting plate, 804-a stainless steel chain, 805-a second vertical cutting plate, 901-a second cylindrical sleeve, 902-a first supporting plate, 903-a material turning plate, 904-a triangular prism, 1001-a third cylindrical sleeve, 1002-a second supporting plate, 1003-a shovel plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention relates to a fish soluble slurry concentrating device, which comprises a reaction tank 1 for concentrating and a condenser 2 for steam liquefaction, wherein a liquid storage tank 3 with an upper end for heat conduction of liquid in a plane is installed on the peripheral side surface of the lower half part of the reaction tank 1; the lower end of the liquid storage tank body 3 is provided with a through hole, and an oil bath electric heater 4 is welded and fixed at the edge of the through hole; steam generators 5 which are arranged in axial symmetry with the reaction tank 1 are arranged in the liquid storage tank body 3; both ends of the steam generator 5 penetrate through the upper side of the liquid storage box body 3; the steam generator 5 is communicated with the cambered surface part at the bottom of the reaction tank 1 through a plurality of steam jet heads 6; a feeding pipe 101 is fixedly communicated with the upper end of the reaction tank 1; the lower end of the reaction tank 1 is fixedly communicated with a discharge pipe 102 penetrating to the outside of the liquid storage tank body 3; a ball valve 103 is arranged on the discharge pipe 102; the upper end of the reaction tank 1 is provided with a stirring motor 7; a stirring shaft of a stirring motor 7 extends into the reaction tank 1, and a crushing stirring disc 8, three separating and mixing stirring discs 9 and a scraping disc 10 for bottom scraping are arranged from top to bottom; the upper end of the reaction tank 1 is fixedly communicated with a pressure maintaining bin 11; an exhaust pipe 12 connected with the condenser 2 is arranged on the pressure maintaining cabin 11. Install the stock solution box 3 in 1 lower part of retort and heat through oil bath electric heater 4 and give whole retort 1 with heat-conduction, oil bath electric heater 4 heats steam generator 5 and to 1 inside steam and the hot-air that provides of lower extreme of retort, heat simultaneously inside and outside 1 inside fish solution of retort, the broken agitator disk of cooperation 8, separation mixing agitator disk 9 stirs and scrapes with

scraping dish

10, 1 inside fish solution of retort concentration process is even, outer discharge efficiency is accelerated to 2 condensation exhaust steam of outside condenser, concentration efficiency with higher speed.

The peripheral side of the liquid storage tank body 3 is sprayed with a foaming heat-insulating layer; the upper end of the liquid storage tank body 3 is provided with a water inlet pipe; the water inlet pipe is provided with a valve; four fixed support rods are installed to 3 undersides of liquid storage tank.

The end face of the oil bath electric heater 4 extending to the interior of the liquid storage tank body 3 is fixed with a heat conduction clamping piece 13 bypassing the heating pipeline in the steam generator 5.

The steam generator 5 includes a U-shaped heating pipe 501 sealed at both ends; the peripheral side surfaces of the two ends of the U-shaped heating pipe 501 are respectively fixedly penetrated with a branch pipe 502; a valve is mounted on each of the two branch pipes 502; two end parts of the U-shaped heating pipe 501 are fixedly communicated with an air duct 503; the other end of the gas guide pipe 503 penetrates through the liquid storage tank body 3 to the lower end part of the reaction tank 1; the steam jet head 6 communicates with the air duct 503 through a threaded joint. The steam generator 5 is heated by water in the heating U-shaped heating pipe 501 to form steam which is guided to the bottom of the reaction tank 1 from the air guide pipe 503 and sprayed from the steam spraying head 6. The steam jet head 6 comprises a first external thread sleeve 601 which is in threaded through connection with the reaction tank 1; a second external thread sleeve 602 is fixed on the inner wall of one end of the first external thread sleeve 601; a conical injection head 603 is fixed on the end face of a second external thread sleeve 602 in the first external thread sleeve 601; the end of the conical spray head 603 is provided with a conical nozzle 604. Steam jet head 6 installs 1 bottom at retort, circular cone jet head 603 sets up and scratches and extrude the jam in the inside effectual prevention of first external screw thread cover 601, steam jet head 6 of 1 bottom equipartition of retort provides steam and high temperature air, disinfect to the fish soluble paste, the steam of high temperature and air mixing are in the fish soluble paste of retort 1 inside, increase the heat energy of whole fish soluble paste, the rate of activity of moisture in the quick increase fish soluble paste of high heat energy, cooperate outside 3 even heating of liquid storage tank body, whole quick evaporation, cooperate the low pressure that external condenser 2 formed the steam condensation, accelerate outer steam drainage's efficiency, inside and outside heating methods improves the concentrated efficiency of fish soluble paste.

Wherein the crushing stirring disc 8 comprises a first cylindrical sleeve 801; two horizontal cutting plates 802 which are arranged in an axisymmetric manner are fixed on the peripheral side surface of the first cylindrical sleeve 801; a plurality of first vertical cutting plates 803 are fixed on the lower surface of the horizontal cutting plate 802; a stainless steel chain 804 for crushing is fixed at the lower end of the first vertical cutting plate 803; a plurality of second vertical cutting boards 805 are fixed on the upper surface of the horizontal cutting board 802, and the second vertical cutting boards 805 and the first vertical cutting boards 803 are staggered. The horizontal cutting plate 802, the first vertical cutting plate 803 and the second vertical cutting plate 805 in the rotating process of the crushing stirring disc 8 crush the fish soluble slurry entering the reaction tank 1 again, the stainless steel chain 804 breaks up the fish soluble slurry uniformly in the rotating process, and the fish soluble slurry is uniformly mixed.

Wherein the separation mixing stirring plate 9 comprises a second cylindrical sleeve 901; four first supporting plates 902 are fixed on the peripheral side surface of the second cylindrical sleeve 901; two quarter-circle material turning plates 903 are symmetrically fixed on the upper and lower surfaces of one side of the cutting edge of the first supporting plate 902; the cutting edge of the first support plate 902 is flanked by fixed triangular prisms 904. The separation mixing stirring disc 9 mainly functions to turn and mix the fish dissolving pulp accumulated in the reaction tank 1, the consistency of water evaporation in the fish dissolving pulp is ensured in the mixing process, and the uniformity of all the fish dissolving pulp is ensured.

Wherein, the scraping disc 10 comprises a third cylinder sleeve 1001; two second supporting plates 1002 which are arranged in an axisymmetric manner are fixed on the peripheral side surface of the third cylindrical sleeve 1001; a shovel plate 1003 is fixed at the end of the second support plate 1002; the shovel plate 1003 is provided with an arc part matched with the arc surface at the bottom of the reaction tank 1. The scraping plate 10 circularly scrapes the bottom of the reaction tank 1, so that the fish soluble slurry is prevented from being pasted on the bottom in the reaction tank 1, and the fish soluble slurry is conveniently and smoothly separated from the bottom in the reaction tank 1 during blanking.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a fish soluble liquid enrichment facility, is including being used for concentrated retort (1), condenser (2), broken agitator disk (8) that are used for steam liquefaction, its characterized in that:

a liquid storage tank body (3) with the upper end adopting plane internal liquid heat conduction is arranged on the peripheral side surface of the lower half part of the reaction tank (1); the lower end of the liquid storage box body (3) is provided with a through hole, and an oil bath electric heater (4) is welded and fixed at the edge of the through hole;

steam generators (5) which are arranged in an axial symmetry manner relative to the reaction tank (1) are arranged in the liquid storage tank body (3); both ends of the steam generator (5) penetrate through the upper side of the liquid storage tank body (3); the steam generator (5) is communicated with the cambered surface part at the bottom of the reaction tank (1) through a plurality of steam jet heads (6);

the upper end of the reaction tank (1) is fixedly communicated with a feeding pipe (101); the lower end of the reaction tank (1) is fixedly communicated with a discharge pipe (102) penetrating to the outside of the liquid storage tank body (3); a ball valve (103) is arranged on the discharge pipe (102);

the upper end of the reaction tank (1) is provided with a stirring motor (7); a stirring shaft of the stirring motor (7) extends into the reaction tank (1) and is provided with a crushing stirring disc (8), three separating and mixing stirring discs (9) and a scraping disc (10) for bottom scraping from top to bottom;

the upper end of the reaction tank (1) is fixedly communicated with a pressure maintaining bin (11); an exhaust pipe (12) connected with the condenser (2) is arranged on the pressure maintaining bin (11);

a heat conducting clamping piece (13) bypassing a heating pipeline in the steam generator (5) is fixed on the end face of the oil bath electric heater (4) extending to the interior of the liquid storage tank body (3);

the steam generator (5) comprises a U-shaped heating pipe (501) with two sealed ends; the peripheral side surfaces of two end parts of the U-shaped heating pipe (501) are respectively fixedly penetrated with a branch pipe (502); a valve is arranged on each of the two branch pipes (502); two end parts of the U-shaped heating pipe (501) are fixedly communicated with an air duct (503); the other end of the air duct (503) penetrates through the liquid storage tank body (3) to the lower end part of the reaction tank (1); the steam injector head (6) is communicated with the air duct (503) through a threaded joint;

the steam jet head (6) comprises a first external thread sleeve (601) which is in threaded through connection with the reaction tank (1); a second external thread sleeve (602) is fixed on the inner wall of one end of the first external thread sleeve (601); a conical spray head (603) is fixed on the end face of a second external thread sleeve (602) in the first external thread sleeve (601); the end part of the conical spray head (603) is provided with a conical nozzle (604);

the crushing stirring disc (8) comprises a first cylindrical sleeve (801); two horizontal cutting plates (802) which are axially symmetrically arranged are fixed on the peripheral side surface of the first cylindrical sleeve (801); a plurality of first vertical cutting plates (803) are fixed on the lower surface of the horizontal cutting plate (802); a stainless steel chain (804) for crushing is fixed at the lower end of the first vertical cutting plate (803); a plurality of second vertical cutting plates (805) are fixed on the upper surface of the horizontal cutting plate (802), and the second vertical cutting plates (805) and the first vertical cutting plates (803) are arranged in a staggered mode.

2. The fish soluble slurry concentrating device according to claim 1, wherein the peripheral side of the liquid storage tank body (3) is coated with a foaming heat-insulating layer; a water inlet pipe is arranged at the upper end of the liquid storage tank body (3); a valve is arranged on the water inlet pipe; four fixed support rods are installed on the lower side of the liquid storage box body (3).

3. A fish slurry concentrating apparatus according to claim 1, wherein the separating and mixing agitator disc (9) comprises a second cylindrical jacket (901); four first supporting plates (902) are fixed on the peripheral side surface of the second cylindrical sleeve (901); two quarter-round material turning plates (903) are symmetrically fixed on the upper and lower surfaces of one side of the cutting edge of the first supporting plate (902); the cutting edge side of the first support plate (902) is fixed with a triangular prism (904).

4. A fish slurry concentrating apparatus according to claim 1, wherein the scraper pan (10) comprises a third cylindrical housing (1001); two second support plates (1002) which are arranged in an axisymmetric manner are fixed on the peripheral side surface of the third cylindrical sleeve (1001); a shovel plate (1003) is fixed at the end part of the second supporting plate (1002); the shovel plate (1003) is provided with an arc part matched with the arc surface at the bottom of the reaction tank (1).