CN211129612U

CN211129612U - Continuous curdling device

Info

Publication number: CN211129612U
Application number: CN201921355372.0U
Authority: CN
Inventors: 高树满; 高树聪
Original assignee: Luoke Machinery Tianjin Co ltd
Current assignee: Luoke Machinery Tianjin Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-07-31
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a continuous curdling device, which comprises a feeding unit and a curdling unit, wherein the feeding unit comprises a soybean milk storage tank, a first coagulant stirring storage tank and a second coagulant stirring storage tank; the slurry curdling unit comprises a static mixer, the static mixer comprises a mixer shell, and a turbulence core is arranged in the mixer shell; the upper end of the mixer shell is connected with a tubular premixing shell, and the lower end of the mixer shell is connected with a slurry outlet pipe; the upper end of the premixing shell is provided with a soybean milk feeding hole, and the pipe wall of the premixing shell is sequentially provided with a first coagulant feeding hole and a second coagulant feeding hole; the soybean milk conveying pipe is provided with a soybean milk dosing pump, the first coagulant conveying pipe is provided with a first coagulant dosing pump, and the second coagulant conveying pipe is provided with a second coagulant dosing pump. The utility model discloses dried tofu pudding finished product stable quality, whole mixture goes on in succession with the curdling process, and mixing distance and installation space are very little, and occupation space is little, convenient operation.

Description

Continuous curdling device

Technical Field

The invention belongs to the technical field of bean product processing and producing equipment, and particularly relates to a continuous curdling device.

Background

The bean curd is a traditional food in China, and becomes a common food for common people on a daily dining table due to the characteristics of high nutritional value, flexible food materials, high quality and low price. With the improvement of the living standard of people, the production environment and the sanitary condition of most of the traditional bean product workshops can not meet the requirements of consumers and health supervision departments on food safety, the modern bean product factories gradually replace the traditional bean product workshops in first-line cities such as Beijing, Shanghai and the like, and large-scale specialized equipment is used for producing the traditional bean curd.

Curdling refers to a process of adding a coagulant into hot soybean milk to coagulate heat-denatured protein into uncongealed beancurd, and the quality of the curdling process directly influences the quality of the finished bean curd product. However, as one of the most important processes for making bean curd, the curdling process of the bean curd in the traditional process has low automation degree, and mainly depends on the experience of operators, so that the quality uniformity of the bean curd is difficult to realize, and the quality fluctuation of the bean curd is large. In modern large-scale bean curd production facilities, although automatic marinating of quantitative soybean milk and brine is realized, the equipment is usually complex in structure, large in occupied space, incapable of realizing continuous marinating and low in marinating efficiency.

Disclosure of Invention

The invention aims to provide a continuous slurry curdling device which is simple in structure, small in occupied space and high in processing efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: a continuous curdling device comprises a feeding unit and a curdling unit, wherein the feeding unit comprises a soybean milk storage tank, a first coagulant stirring storage tank and a second coagulant stirring storage tank; the slurry curdling unit comprises a static mixer, the static mixer comprises a tubular mixer shell, a turbulence core is detachably mounted in the mixer shell, and a mixing channel is formed between the turbulence core and the mixer shell; the upper end of the mixer shell is connected with a tubular premixing shell, and the lower end of the mixer shell is connected with a slurry outlet pipe; the upper end of the premixing shell is provided with a soybean milk feeding hole, and the pipe wall of the premixing shell is sequentially provided with a first coagulant feeding hole and a second coagulant feeding hole; the soybean milk storage tank is communicated with the soybean milk feeding hole through a soybean milk conveying pipe, and a soybean milk dosing pump is arranged on the soybean milk conveying pipe; the first coagulant stirring and storing tank is communicated with the first coagulant feeding hole through a first coagulant conveying pipe, and a first coagulant dosing pump is arranged on the first coagulant conveying pipe; and the second coagulant stirring and storing tank is communicated with the second coagulant feeding hole through a second coagulant conveying pipe, and a second coagulant dosing pump is arranged on the second coagulant conveying pipe.

Preferably, the turbulence core comprises a plurality of groups of left-handed turbulence plates and right-handed turbulence plates which are alternately connected; the left-handed spoiler and the right-handed spoiler twist spirally, the central axes of the left-handed spoiler and the right-handed spoiler are overlapped, and the twisting directions are opposite.

Preferably, the torsion angles of the left-handed spoiler and the right-handed spoiler are the same.

Preferably, the left-handed spoiler and the right-handed spoiler have the same pitch.

Preferably, the material of vortex core is food level stainless steel.

Preferably, a return pipe is further arranged between the second coagulant conveying pipe and the second coagulant stirring storage tank, and a three-way regulating valve is arranged between the return pipe and the second coagulant conveying pipe.

Preferably, a soybean milk on-off valve is arranged between the soybean milk feeding hole and the first coagulant feeding hole; a first coagulant on-off valve is arranged between the first coagulant feed inlet and the first coagulant conveying pipe; and a second coagulant on-off valve is arranged between the second coagulant feeding hole and the second coagulant conveying pipe.

Compared with the prior art, the invention has the beneficial effects that: (1) the cooked soybean milk and the coagulant are automatically and quantitatively added, the process is stable, and the quality of the finished product of the uncongealed tofu is stable; (2) the static mixer is adopted, the shearing force is extremely small in the mixing process, the mixture is not damaged, the cooked soybean milk and the coagulator can be mixed, the curdling and the jellied bean curd forming can be simultaneously completed, and the quality and the state of the jellied bean curd are not damaged due to excessive stirring; (3) the whole mixing and pulping process is continuously carried out; (4) the mixing distance and the installation space are very small, and the static mixer is a part of the mixing channel, so that the occupied space is small, and the operation is convenient.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a continuous coagulating device according to the present invention;

FIG. 2 is a schematic structural diagram of the turbulent flow core in the embodiment shown in FIG. 1.

In the figure: 1. a soybean milk storage tank; 2. a first coagulant stirring storage tank; 3. a second coagulant stirring storage tank; 4. a soybean milk constant delivery pump; 5. a first coagulant dosing pump; 6. a second coagulant dosing pump; 7. a soybean milk conveying pipe; 8. a first coagulant transport tube; 9. a second coagulant delivery pipe; 10. a return pipe; 11. A three-way regulating valve; 12. a soybean milk feeding port; 13. a soybean milk on-off valve; 14. a premix housing; 15. a turbulent flow core; 15-1, a left-handed spoiler; 15-2, a right-handed spoiler; 16. a premix housing; 17. a pulp outlet pipe; 18. a first coagulant feed port; 19. a second coagulant feed port; 20. a first coagulant make-and-break valve; 21. the second coagulant on-off valve.

Detailed Description

The following describes a preferred embodiment of the present invention with reference to the drawings, and the technical solution in a preferred embodiment of the present invention is clearly and completely described.

Referring to fig. 1 and 2, the present invention includes a feeding unit and a slurry discharging unit.

The feeding unit comprises a soybean milk storage tank 1, a first coagulant stirring storage tank 2 and a second coagulant stirring storage tank 3.

The curdling unit comprises a static mixer, the static mixer comprises a tubular mixer shell 16, a turbulence core 15 is detachably mounted in the mixer shell 16, and a mixing channel is formed between the turbulence core 15 and the mixer shell 16; the upper end of the mixer shell 16 is connected with a tubular premixing shell 14, and the lower end of the mixer shell 16 is connected with a slurry outlet pipe 17; the upper end of the premixing shell 14 is provided with a soybean milk inlet 12, and the pipe wall of the premixing shell 16 is sequentially provided with a first coagulant inlet 18 and a second coagulant inlet 19.

The soybean milk storage tank 1 is communicated with the soybean milk feeding hole 12 through a soybean milk conveying pipe 7, and a soybean milk dosing pump 4 is arranged on the soybean milk conveying pipe 7; the first coagulant stirring and storing tank 2 is communicated with the first coagulant feeding hole 18 through a first coagulant conveying pipe 8, and a first coagulant dosing pump 5 is arranged on the first coagulant conveying pipe 8; and the second coagulant stirring and storing tank 3 is communicated with the second coagulant feeding hole 19 through a second coagulant conveying pipe 9, and a second coagulant dosing pump 6 is arranged on the second coagulant conveying pipe 9.

In this embodiment, the spoiler core 15 includes a plurality of groups of left-handed spoilers 15-1 and right-handed spoilers 15-2 alternately connected; the left-handed spoiler 15-1 and the right-handed spoiler 15-2 are twisted spirally, the central axes of the left-handed spoiler and the right-handed spoiler are overlapped, and the twisting directions are opposite.

In this embodiment, the torsion angles of the left-handed spoiler 15-1 and the right-handed spoiler 15-2 are the same; the left-handed spoiler 15-1 and the right-handed spoiler 15-2 have the same pitch.

In this embodiment, the material of vortex core 15 is food level stainless steel, also can choose other food level materials for use.

In this embodiment, a return pipe 10 is further disposed between the second coagulant conveying pipe 9 and the second coagulant stirring and storing tank 2, and a three-way adjusting valve 11 is disposed between the return pipe 10 and the second coagulant conveying pipe 9. When the second coagulant selects gypsum, a return pipeline is needed, and the gypsum is prevented from precipitating in the pipeline to cause equipment damage when the equipment is stopped due to failure by controlling the three-way regulating valve 11.

In this embodiment, a soybean milk on-off valve 13 is disposed between the soybean milk feed port 12 and the first coagulant feed port 18; a first coagulant on-off valve 20 is arranged between the first coagulant feed inlet 18 and the first coagulant conveying pipe 8; a second coagulant on-off valve 21 is arranged between the second coagulant feed inlet 19 and the second coagulant conveying pipe 9.

The working principle of the invention is as follows:

A premixing shell 14 above the static mixer is respectively provided with three feed inlets of a soybean milk feed inlet 13, a first coagulant feed inlet 18 and a second coagulant feed inlet 19, cooked soybean milk and two different coagulants are respectively quantitatively pumped into the three feed inlets through a soybean milk quantitative pump 4, a first coagulant quantitative pump 5 and a second coagulant quantitative pump 6, and different coagulants are selected according to different requirements of bean curd production; then the cooked soybean milk and two coagulants of different types enter a static mixer to be mixed and simultaneously finish the curdling process, and the jellied bean curd formed by curdling is continuously output from a soybean milk outlet pipe 17 and falls into a container arranged below the soybean milk outlet pipe 17.

The invention adopts the static mixer, the static mixing unit is fixedly arranged in the mixing channel, and the left-handed spoiler 15-1 and the right-handed spoiler 15-2 of the mixing unit which are alternately arranged make the fluid rotate left and right constantly, and constantly change the mixing direction of the fluid, thereby not only pushing the central fluid to the periphery, but also pushing the peripheral fluid to the center, and further causing good radial mixing effect. Compared with a stirring mixer, the static mixer has the advantages that the shearing force is extremely small in the mixing process and does not damage the mixture, so that the cooked soybean milk and the two coagulants can be mixed and simultaneously curdled to form the jellied bean curd, and the quality and the state of the jellied bean curd cannot be damaged due to excessive stirring; meanwhile, the whole mixing process is continuously carried out; in addition, the mixing distance and the installation space are very small, and the static mixer itself is part of the mixing channel, avoiding the drawbacks of conventional stirrers.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A continuous curdling device is characterized in that: comprises a feeding unit and a slurry mixing unit;

The feeding unit comprises a soybean milk storage tank (1), a first coagulant stirring storage tank (2) and a second coagulant stirring storage tank (3);

The curdling unit comprises a static mixer, the static mixer comprises a tubular mixer shell (16), a turbulence core (15) is detachably mounted in the mixer shell (16), and a mixing channel is formed between the turbulence core (15) and the mixer shell (16); the upper end of the mixer shell (16) is connected with a tubular premixing shell (14), and the lower end of the mixer shell (16) is connected with a slurry outlet pipe (17); the upper end of the premixing shell (14) is provided with a soybean milk inlet (12), and the pipe wall of the premixing shell (14) is sequentially provided with a first coagulant inlet (18) and a second coagulant inlet (19);

The soybean milk storage tank (1) is communicated with the soybean milk feeding hole (12) through a soybean milk conveying pipe (7), and a soybean milk dosing pump (4) is arranged on the soybean milk conveying pipe (7); the first coagulant stirring and storing tank (2) is communicated with the first coagulant feeding hole (18) through a first coagulant conveying pipe (8), and a first coagulant dosing pump (5) is arranged on the first coagulant conveying pipe (8); and the second coagulant stirring and storing tank (3) is communicated with the second coagulant feeding hole (19) through a second coagulant conveying pipe (9), and a second coagulant dosing pump (6) is arranged on the second coagulant conveying pipe (9).

2. The continuous coagulating device according to claim 1, wherein: the turbulence core (15) comprises a plurality of groups of left-handed spoilers (15-1) and right-handed spoilers (15-2) which are alternately connected; the left-handed spoiler (15-1) and the right-handed spoiler (15-2) are twisted spirally, the central axes of the left-handed spoiler and the right-handed spoiler are overlapped, and the twisting directions are opposite.

3. The continuous coagulating device according to claim 2, wherein: the torsion angles of the left-handed spoiler (15-1) and the right-handed spoiler (15-2) are the same.

4. The continuous coagulating device of claim 3, wherein: the left-handed spoiler (15-1) and the right-handed spoiler (15-2) have the same pitch.

5. The continuous coagulating device according to claim 4, wherein: the material of vortex core (15) is food level stainless steel.

6. The continuous coagulating device according to claim 1, wherein: a return pipe (10) is further arranged between the second coagulant conveying pipe (9) and the second coagulant stirring storage tank (3), and a three-way regulating valve (11) is arranged between the return pipe (10) and the second coagulant conveying pipe (9).

7. The continuous coagulating device according to claim 1, wherein: a soybean milk on-off valve (13) is arranged between the soybean milk feeding hole (12) and the first coagulant feeding hole (18); a first coagulant on-off valve (20) is arranged between the first coagulant feed port (18) and the first coagulant conveying pipe (8); and a second coagulant on-off valve (21) is arranged between the second coagulant feeding hole (19) and the second coagulant conveying pipe (9).