CN210157936U

CN210157936U - Bean curd production equipment

Info

Publication number: CN210157936U
Application number: CN201920813405.5U
Authority: CN
Inventors: 孟庆东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-03-20
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses bean curd production equipment, wherein a curdling cavity is arranged in a pressure container, a pressure cover is arranged above the curdling cavity, a soybean milk discharging pipe is arranged above the curdling cavity, the soybean milk discharging pipe is connected with a soybean milk containing device arranged outside the pressure container, the soybean milk containing device is used for boiling raw soybean milk and mixing subsequent soybean milk with a defoaming agent, or mixing the soybean milk, the defoaming agent and other coagulants; the carbon dioxide gas adding device comprises a carbon dioxide reaction terminal extending into the slurry dropping cavity, and the carbon dioxide reaction terminal is connected with a carbon dioxide gas storage device; the soybean milk curdling device comprises a box, a soybean milk curdling cavity, a pressure adjusting device and other coagulator adding pipes, wherein the pressure adjusting device enables the pressure difference between the inside and the outside of the soybean milk curdling cavity to reach the degree of easy opening, and the other coagulators are added into the soybean milk before the box is sealed or the head of a user squats when the other coagulators are needed. The utility model discloses can realize making one kind and can directly adorn the box and eliminate the carbon dioxide of gas pocket or cooperate the bean curd that other coagulants were made a little, also can squeeze, plastic envelope after some brains.

Description

Bean curd production equipment

Technical Field

The utility model relates to a bean curd production field, especially a bean curd production facility.

Background

The existing boxed bean curd generally refers to lactone bean curd, soybean milk and gluconic acid-delta-lactone are directly boxed, plastically packaged and solidified, the boxed bean curd has the excellent characteristics of isolation from the outside and long quality guarantee period, and the boxed bean curd is often high in industrialization degree, so that the labor cost is reduced. The flavor characteristics of tofu often have a direct relationship with coagulants. Different coagulants exhibit different flavor profiles. The utility model discloses making a box-packed bean curd production facility that uses carbon dioxide as coagulant, for example patent 200710039362.1, 200810036211.5, 200920075547.2, 201510561912.0 etc. have related to the equipment or the method that uses carbon dioxide to make soybean milk coagulate, but only rely on above-mentioned bean curd preparation method can't directly make box-packed bean curd, this is mainly determined by the characteristic of this coagulant of carbon dioxide, because carbon dioxide gas can't be dissolved in the soybean milk completely under the pressure environment, so the overhead tank is in the malleation state after the point brain, must release the pressure in the overhead tank before opening the lid, produce the suction phenomenon of negative pressure when releasing pressure, the uncongealed beancurd produces the bubble, some uncongealed beancurd or uncongealed beancurd are along with the bubble runs off, this is that technical personnel in this field are in the face of this more new technology very puzzled, the problem of headache; when the carbon dioxide is used for preparing the bean curd, direct boxing and plastic packaging are not suitable if technical improvement is not carried out. The utility model discloses it is this bottleneck to break through.

For example, 200920075547.2 is to carbonate water and then use carbonated water to coagulate soybean milk, but this increases water consumption, and the molded tofu pudding has many pores, which may cause too many pores to be easily squeezed and cooked, and thus the taste of the tofu pudding is impaired. 201510561912.0 it is thought that some consumers do not feel good in taste because of the expansion of gas and the formation of many pores during cooking after squeezing because of no use of a defoaming agent during jellied bean curd or no extraction of residual gas after jellied bean curd. The utility model discloses this problem has just been solved. In the industry, different varieties of tofu have different recognized quality standards, and most of them do not want to have too many pores.

The utility model is to improve the bean curd making method and the processing equipment thereof, thereby making the bean curd which can be directly packed into a box, or can be squeezed, cut into pieces, sealed (or bagged) or packed into a box after the curdling, and basically eliminate the carbon dioxide of air holes or be matched with an additional coagulant for curdling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bean curd production facility to make one kind and can directly adorn the box, also can press after some brain, stripping off, plastic envelope (or bagging) or dress the box, and eliminate the carbon dioxide of gas pocket or cooperate the bean curd of other coagulants point system.

In order to realize the purpose, the technical scheme of the utility model is as follows: a bean curd production apparatus, characterized in that the apparatus comprises:

the pressure vessel is internally provided with a curdling cavity, and a pressure cover is arranged above the curdling cavity;

the slurry discharging device comprises a slurry discharging pipe, and the slurry discharging pipe is connected with the slurry containing container;

the carbon dioxide gas adding device comprises a carbon dioxide reaction terminal extending into the slurry dropping cavity, and the carbon dioxide reaction terminal is connected with the gas storage device through a gas inlet pipe;

the pressure adjusting device is arranged on the pressure container, so that the pressure difference between the inside and the outside of the pressure container reaches the degree that the pressure container is easy to open.

Further, the gas storage device can be a carbon dioxide gas storage tank, and a carbon dioxide gas inlet pipe is connected with the control panel and the gas pump and is connected with the carbon dioxide gas cylinder. The gas storage device can also be a gas cylinder and is directly connected with the carbon dioxide gas inlet pipe through the control panel.

Further, the pressure regulating device may be a release valve, or may be a structure for increasing the effective volume of the pressure vessel, such as a pleated expansion structure of the pressure vessel or a regulating piston in the pressure vessel. The pressure regulating device can also comprise an exhaust pipe, or a combination of the exhaust pipe, a vacuum pump and an air inlet pipe.

According to the preferred embodiment of the utility model, the device further comprises a vacuum pumping device, the exhaust pipe passes through the pressure cover and is connected with an exhaust pipeline arranged outside the pressure container, the exhaust pipe is provided with a vacuum pump, and the pressure container is vacuumized after the soybean milk is put into the pressure container; and the gas inlet pipe is connected with a carbon dioxide gas source, and carbon dioxide is injected into the pressure container to complete gas replacement.

According to the utility model discloses a preferred embodiment, pressure adjusting device includes exhaust apparatus, and exhaust apparatus is including stretching into the exhaust and the evacuation pipe of some thick liquid intracavity, and the evacuation pipe of exhaust and the evacuation pipe pass the pressure lid and establish the vacuum pump connection outside pressure vessel, and the output termination exhaust duct of vacuum pump, blast pipe are equipped with the vacuum pump to for the inside negative pressure environment that creates of pressure vessel, in order to do benefit to the gaseous discharge in the carbon dioxide gas replacement or do benefit to the beancurd jelly after some brains before some brains.

Furthermore, the exhaust pipe is provided with a vacuum pump, so that a negative pressure environment is created inside the pressure container, and the discharge of gas in the uncongealed beancurd after the uncongealed beancurd is ignited is facilitated.

Furthermore, a filter screen is arranged at the inlet of the vacuum tube pipeline.

Furthermore, the bean curd production equipment is also provided with an air blowing pipe, the air blowing pipe comprises an air blowing horizontal pipe, the air blowing horizontal pipe is positioned above the curdling cavity, the air blowing horizontal pipe is connected to an air source outside the pressure container through an air inlet and air blowing air passage and can be used for filtering air, and the air blowing horizontal pipe is provided with small holes for eliminating liquid level bubbles.

Further, bean curd production facility still is equipped with the filter screen, the filter screen sets up in the top of some thick liquid chamber, the filter screen passes through the filter screen jib and sets up in pressure lid below, can prevent that bean albumen from getting into exhaust duct.

Further, the pressure vessel is also provided with a safety valve, and a filter screen is usually arranged at an exhaust inlet of the safety valve.

Further, according to the utility model discloses an embodiment, pressure vessel includes pressure cylinder base and pressure lid, and some thick liquid chamber is the bean curd box, and the bean curd box is placed on the pressure cylinder base.

Furthermore, the side wall of the bean curd box is provided with a pleated extension, and the pleated extension of the bean curd box is fixed through a fixed pressure bearing pad.

Further, the bean curd production apparatus further comprises a flattening filter screen and a pneumatic rod for driving the flattening filter screen.

Furthermore, the bean curd production equipment is also provided with a vibrator matched with the pressure container, and after the curdling is finished, the vacuumizing device and the vibrator below the pressure container work in a cooperative mode to promote bubbles in the uncongealed beancurd to escape.

Further, the bean curd production equipment is also provided with other coagulant adding pipes, and when the additional coagulant is needed, the additional coagulant is added into the soybean milk before the box is sealed.

Furthermore, the curdling pressure container can also use a piston type pressure barrel (tank), the pneumatic rod pulls the pressure cover outwards to increase the volume of the pressure kettle, and the soybean milk is decompressed after the reaction with the carbon dioxide is finished, so that the cover can be opened conveniently.

Furthermore, the soybean milk coagulating pressure container can also use a pressure barrel (tank) with a pleated expansion, after the reaction of the soybean milk and the carbon dioxide is finished, the pleated expansion is released, so that the volume of the pressure kettle can be increased, and the cover can be opened conveniently.

Further, according to another embodiment of the present invention, the pressure vessel includes a pressure barrel or a pressure tank, and a pressure cover, and the slurry dispensing chamber is the pressure barrel or the pressure tank.

Further, according to another embodiment of the present invention, when the additional coagulant is needed, the additional coagulant is added to the soybean milk through the other coagulant adding pipe before the squatting.

The utility model adopts the pressure container as the curdling cavity, and replaces the air in the curdling cavity with the carbon dioxide before curdling, thereby preventing the air from mixing into the soybean milk and influencing the taste of the bean curd, because the granular feeling of the bean curd can be increased if too much air is mixed into the bean curd; after the curdling is finished, opening an exhaust valve to release pressure, and then vacuumizing by using a vacuum pump, so that a negative pressure environment is formed in the curdling barrel, and removing residual carbon dioxide gas in the uncongealed beancurd (or adjusting the pressure difference inside and outside the pressure kettle by using a method of adjusting the volume of a pressure container); the mixing device is utilized to add the defoaming agent into the soybean milk, so that the soybean milk is prevented from generating foam under the negative pressure suction effect in the decompression process, and the loss of the tofu pudding is prevented; the vibrator arranged on the pressure container (or in the cavity) promotes the gas in the beancurd jelly to escape outwards. When the additional coagulant is needed, the additional coagulant is added into the soybean milk through the other coagulant adding pipe. The utility model discloses can realize making one kind and can directly adorn the box, also can press after some brain, stripping and slicing, plastic envelope (or bagging) or dress the box to eliminate the carbon dioxide of gas pocket basically or cooperate the bean curd of other coagulants point system.

In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the present invention, other technical features included in the technical solutions, and advantages brought by the technical features of the present invention will be further described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a schematic view of the fixing pressure pad and the bean curd box close to the fixing pressure pad in a pleated and telescopic structure.

Fig. 3 is a schematic structural view of the filter screen.

Fig. 4 is a schematic structural view of a bean curd box according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a bean curd box according to another embodiment of the present invention.

Fig. 6 is a schematic sectional view of a bean curd box according to the present invention.

Fig. 7 is a schematic structural diagram of another embodiment of the present invention.

Fig. 8 is a schematic structural view of the pleated telescopic pressure barrel (tank) of the present invention.

Fig. 9 is a schematic structural view of the piston-type pressure barrel (tank) of the present invention.

The figure includes: 1. the bean curd machine comprises a gas cylinder, 2 parts of a gas storage tank, 3 parts of an air pump, 4 parts of a control panel, 5 parts of a pressure cylinder, 6 parts of a nozzle, 7 parts of a bean curd box, 8 parts of a pulp containing container, 9 parts of a pulp discharging pipe, 10 parts of a safety valve, 11 parts of an exhaust and vacuum pumping pipe, 12 parts of a vacuum pump, 13 parts of an exhaust pipeline, 14 parts of a filter screen, 15 parts of a pressure cover, 16 parts of a filter screen suspender, 17 parts of a pressure cylinder base, 18 parts of a vibrator, 19 parts of a fixed pressure bearing pad, 20 parts of an air inlet and air blowing air passage, 21 parts of a transverse pipe with a small hole, 22 parts of a positive and negative pressure gauge, 23 parts of a pneumatic rod, 24 parts of a leveling filter screen, 25 parts of a pressure barrel (tank), 26 parts of a side wall of the bean curd box, 27 parts of a pleated expansion.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Example one

As shown in fig. 1: a bean curd production apparatus, characterized in that the apparatus comprises

The pressure container comprises a pressure cylinder base 17 and a pressure cover 15, the bean curd box 7 is placed on the pressure cylinder base 17, the bean curd box 7 is arranged in the curdling cavity, the pressure cover is arranged above the curdling cavity, the bean curd box 7 is fixed through a fixed pressure bearing pad, and the vibrator is arranged below the curdling cavity and is arranged on the tray;

the pressure adjusting device comprises an exhaust and vacuumizing pipe 11 extending into the grout dripping cavity, the exhaust and vacuumizing pipe 11 penetrates through a pressure cover 15 to be connected with a vacuum pump 12 arranged outside the pressure container, and the output end of the vacuum pump 12 is connected with an exhaust pipeline 13; after residual carbon dioxide in the tofu pudding is removed in a negative pressure environment caused by the vacuum pump, the air inlet and blowing air passage is opened to balance the air pressure inside and outside the pressure container. When the system is not provided with a vacuum pump or an exhaust pipeline, namely only the exhaust and vacuum pipe is arranged, the system is also regarded as an independent pressure regulating device.

The slurry discharging device comprises a slurry discharging pipe 9, wherein the slurry discharging pipe 9 is usually arranged above the pressure container, can extend into the pressure container, can also be arranged on the side wall and is connected with the slurry containing container 8;

the carbon dioxide gas adding device comprises a carbon dioxide reaction terminal, namely a nozzle 6 in the figure, which extends into the curdling cavity, wherein the nozzle 6 is connected with a gas storage tank 2 through a gas inlet pipe and a gas pump 3, and the carbon dioxide is used for curdling the soybean milk;

the filter screen 14 is arranged above the curdling cavity groove, and the filter screen 14 is arranged below the pressure cover 15 through a filter screen suspender 16;

the gas blow pipe, the gas blow pipe includes the violently pipe 21 of taking the aperture, the violently pipe 21 of taking the aperture is located the filter screen below (the filter screen top also can set up the gas blow pipe), generally sets up in the position that is a little higher than the liquid level, violently the pipe is connected to outside the pressure vessel through the air inlet and air blowing air flue 20 (the air blowing pipeline can set up respectively with carbon dioxide replacement air inlet pipe).

The utility model discloses a utility model process does:

the raw soybean milk is cooked in the soybean milk container 8, the cooked soybean milk or the soybean milk to be jellied is mixed with the defoaming agent in the soybean milk container 8 (the bean curd box can also be used as a mixing container of the soybean milk and the defoaming agent, or can be additionally arranged), and is guided into the bean curd box 7 through the soybean milk discharging pipe 9, the bean curd box 7 is positioned on the base 17 at the lower half part of the pressure cylinder 5 of the pressure cylinder, and the soybean milk and the defoaming agent can also be mixed in the bean curd box 7; then the pressure cylinder is vacuumized by a vacuum pump 12, air is exhausted by an exhaust and vacuumizing pipe 11 and an exhaust pipeline 13, a carbon dioxide gas source is connected with an air inlet and blowing air passage 20, and carbon dioxide is injected into the pressure cylinder, so that the gas replacement in the pressure cylinder is completed; carbon dioxide puts into gas holder 2 after the evacuation through gas cylinder 1 in, in 3 leading-in bean curd box 7 of air pump, make carbon dioxide and soybean milk quick homogeneous mixing (of course, whether soybean milk and carbon dioxide mix and adopt the nozzle the utility model discloses do not do the injecion, because the hybrid mode can have a great variety, all should regard as carbon dioxide reaction terminal), bean curd box and corresponding nozzle can be that the multirow is a plurality of, the process of leading-in carbon dioxide is controlled by control panel 4, control panel is behind factors such as the number of degrees of inputing thick liquid, volume or weight, temperature, the leading-in time of automatic control carbon dioxide and leading-in volume, leading-in pressure can be set for in advance, give leading-in carbon dioxide ration easily like this, of course, control panel can have multiple design, the utility model discloses do not limit. The control panel can control the pressure of the pipeline (or control the pipeline by arranging other devices) to prevent the pressure in the pressure kettle from being too high. The relief valve 10 of the pressure cylinder should ensure that the pressure in the pressure cylinder is controlled within a safe range. After the reaction of the carbon dioxide and the soybean milk is finished, the air release valve is opened to release the pressure, the vacuum pump 12 is used for secondary vacuum pumping (or the air is directly pumped without the air release valve), the vibrator 18 can be started subsequently or simultaneously, so that the residual carbon dioxide in the beancurd jelly is removed, and bubbles generated when the carbon dioxide gas is flushed into the soybean milk can be broken due to negative pressure caused by vacuum pumping. When the gas passes through the filter screen 14 during vacuum pumping, part of the soy protein is prevented from entering the exhaust duct, and the filter screen 14 is suspended below the pressure cap by a screen hanger 16. During the vacuum pumping, the vacuum pumping degree can be controlled according to different varieties of bean curd, and the gas is exhausted to the outside through the exhaust pipeline 13. When the vacuum pumping is carried out, the valve of the air inlet and blowing air passage is matched with the vacuum pumping process, and the air inlet flow is closed or the air inlet flow is smaller than the exhaust flow of the exhaust pipeline. The vibration or flutter of the vibrator 18 below the drip chamber promotes the escape of air bubbles and works in conjunction with the vacuum system to facilitate the removal of air bubbles from the uncongealed beancurd. The vibration or the vibration is also beneficial to the flattening of the boxed bean curd. When the pressure cylinder is opened, air is introduced through the air inlet and blowing air passage 20, so that the balance of the air pressure inside and outside the pressure cylinder is achieved. After the pressure cylinder is opened, the fixed pressure bearing pad 19 is removed, the fixed pressure bearing pad 19 is roughly sawtooth-shaped according to the folding telescopic design of the bean curd box, so that the bean curd box can be temporarily fixed and keep the folding telescopic structure not to deform, and the folding telescopic upper edge 29 of the bean curd box can be firmly attached to the pressure cylinder and is airtight. Before and after the soybean milk is curdled, the soybean milk or the uncongealed beancurd should be prevented from foaming or being sucked out due to excessive vacuum pumping, the degree of vacuum pumping is determined according to different bean curd varieties and should not be greater than the gravity of the soybean milk or the uncongealed beancurd, and the positive and negative pressure meter 22 shows the degree of vacuum pumping. When using additional coagulant simultaneously, after uncapping, additional coagulant can add the pipe 32 from other coagulants and add in bean curd box 7, to the order of adding of additional coagulant (can be multiple) and carbon dioxide, additional coagulant can add bean curd box in advance of carbon dioxide promptly, the utility model discloses do not restrict. Other coagulant adding pipes can be arranged independently without passing through the leveling filter screen.

The pre-plastic sealing process is completed next, and the process may include two steps (of course, the direct plastic sealing after the pressure cylinder is opened, i.e. the upper opening of the bean curd box is not designed to be wrinkled, should be regarded as the scope of the claims of the present invention): 1. laminate many layers of the bellows type upper mouth of bean curd box into the one deck, 2, make flattening filter screen 24 act on the bean curd through pneumatic rod 23 transmission, gently press the flattening (or to the coagulant of different combinations, extrude partial yellow serofluid etc.), the flattening filter screen should have certain intensity, level and have filtration pore etc. the utility model discloses do not do the restriction, then the plastic envelope. The outward flanging of the upper opening of the bean curd box is in a single-layer or multi-layer corrugated pipe shape, the use condition of the mixture of carbon dioxide and other coagulants can be determined, a certain space is left to enable gas to be easily flushed into solution due to the curdling in a closed environment, and the space can be enlarged due to the expansion of the folds or the corrugated folds. A pneumatic rod is fixed to the hanger above and operates to lift and push down the levelling screen.

In order to blow bubbles and solve the problems of negative pressure suction and capillary drainage during air exhaust, an air blowing pipe is arranged in a pressure cylinder, a valve of the air blowing pipe can be controlled by a valve of an air inlet and blowing air passage 20 and can also be independently arranged, the air blowing pipe penetrates through the upper part of a pressure cover 15 (and can also penetrate through the side wall of a cylinder cover), an air blowing transverse pipe is suspended below the air inlet and blowing air passage, small holes are formed in the pipe wall, the small holes are arranged in a multidirectional horizontal plane and upwards, and disturbance of air flow to beancurd jelly during air blowing is avoided as much as. The safety valve 10 should ensure that the air can be discharged outwards to release the pressure while blowing air, thereby ensuring the safe operation of the pressure cylinder. The blowing is preferably carried out in the gap after the carbon dioxide is applied to the brain, and can be carried out simultaneously with the vacuumizing process after the carbon dioxide is applied to the brain, so that the bubbles are broken by the airflow instead of being sucked, and the capillary drainage degree is reduced. The vibrating plate 18 operates simultaneously or in conjunction with the secondary vacuum pumping to facilitate the removal of bubbles deep in the uncongealed tofu, to make the surface of the boxed tofu smoother, or to facilitate the precipitation of yellow serofluid, etc.

As shown in figure 3, the filter screen 14 of the utility model is composed of three layers of air permeable filter screens, and the filtering holes of each layer of filter screen are staggered and not on the same vertical line, thereby increasing the resistance of capillary drainage. The utility model discloses do not injure situations such as the number of piles, material, hole of filter screen, can adjust by oneself according to actual conditions, for example can design into ventilative waterproof filter screen and so on. The filter screen 14 comprises a side wall matched with the shape of the curdling cavity, and three layers of filter screens arranged in parallel, wherein the side wall is arranged close to the side wall of the curdling cavity.

In a sealed state, a certain space is left to make the gas more easily flush into the solution, and the space can be enlarged by the expansion of the accordion or corrugated accordion. The number of folding layers of the bean curd box pleat or corrugated pleat and the shape of the bean curd box are not limited, and as shown in fig. 4, fig. 5 and fig. 6, the bean curd box can be round, oval, square, rectangle, etc., and all should be regarded as the scope of the present invention. The soymilk liquid level can refer to the plastic package liquid level 30 shown in fig. 6. The outer side of the accordion or corrugated accordion 27 is provided with a fixed pressure bearing pad 19 which is matched with the accordion or corrugated accordion 27, the fixed pressure bearing pad is designed to have certain elasticity, thereby increasing the sealing effect, and the material can be a compound of rubber and other materials.

When the upper opening of the bean curd box adopts a corrugated pipe folding form, the bean curd box can be regarded as adopting a secondary plastic compression molding method, namely, after the curdling is finished, the multiple layers of turned edges are compressed into one layer, and then plastic package is carried out. The bean curd boxes in the pressure cylinder are placed in a plurality of ways, and the utility model is not limited; the soybean milk and the carbon dioxide can be mixed in advance in a small pressure barrel (tank), and then the tofu pudding can be placed in a tofu box; the thick square steel cover can be covered on the binding surface of the bean curd box and the lower half base of the pneumatic cylinder to form a bottomless temporary pressure barrel (tank), the soybean milk and the defoaming agent are placed in the tank, and the square steel is lifted to place the bean curd jelly in the bean curd box after the reaction with the carbon dioxide is finished, so that the utility model has no limitation on various design forms; the design of bean curd box, the method of preventing bean curd box warp when receiving pressure impact, soybean milk and carbon dioxide mixed mode, foam blow off method, the method that adopts when reducing pressure differential after carbon dioxide and soybean milk react, plastic envelope method etc. all have a lot of selections, the utility model discloses do not do the restriction, should be the utility model discloses a claim scope.

After the fixed pressure bearing pad 19 is removed, the pressure cylinder base 17 and the pressure cover 15 can have plastic sealing functions respectively.

When the ordinary bean curd box which is not folded by the additional corrugations is used, the fixed pressure bearing pad is not needed, and the scope of the claims of the utility model is also considered.

Example two

When the bean curd box is large enough, the vessel for curdling bean curd becomes a closed curdling barrel, and the curdling device is regarded as a direct derivative device of carbon dioxide box-packed bean curd. As shown in fig. 7, in this apparatus, the pressure vessel is a pressure barrel (tank) 25 and a pressure cover 15 provided on the pressure barrel (tank) 25, and the slurry is directly applied to the pressure barrel (tank) 25.

The production process comprises the following steps: boiling raw soybean milk in a milk container 8, mixing the cooked soybean milk or the soybean milk to be beancurd with a defoaming agent in the milk container 8 (a pressure barrel (tank) can also be used as a mixing container of the soybean milk and the defoaming agent, or can be additionally arranged), introducing the soybean milk or the soybean milk to be beancurd into the pressure barrel (tank) 25, vacuumizing the pressure barrel (tank) through a vacuum pump 12 (removing partial air), exhausting the air through an exhaust and vacuumizing pipe 11 and an exhaust pipeline 13, connecting a carbon dioxide gas source with an air inlet and blowing air passage 20, and injecting carbon dioxide into the pressure barrel (tank) so as to finish gas replacement in the pressure barrel (tank); carbon dioxide is put into a gas storage tank 2 after being vacuumized through a gas bottle 1, is guided into a pressure barrel (tank) 25 through a gas pump 3, and is quickly and uniformly mixed with soybean milk through a spray hole (when various carbon dioxide and liquid mixing forms such as a tower type, a spray type, a film type, a Venturi and the like are used for mixing the carbon dioxide and the soybean milk, the scope of the claims of the utility model is considered, the self-innovation and designed mixing forms are also considered as the scope of the claims of the utility model, the terminal is a carbon dioxide reaction terminal) of a spray nozzle (when various carbon dioxide and liquid mixing forms such as a tower type, a spray type, a film type, a Venturi and the like are used for mixing the carbon dioxide and the soybean milk), the process is controlled by a control panel 4, the carbon dioxide guiding time and the guiding amount are automatically controlled after the factors such as the degree, the volume, the weight, the temperature and the, like this easily for leading-in carbon dioxide ration, of course, control panel can have multiple design, the utility model discloses do not do the restriction. The control panel can control the pressure of the pipeline (or control the pipeline by arranging other devices) to prevent the pressure in the pressure kettle from being too high. The safety valve 10 of the pressure barrel (tank) is used for automatically releasing pressure, and the pressure in the pressure barrel (tank) is controlled within a safety range. After the reaction of the carbon dioxide and the soybean milk is finished, the exhaust valve is used for exhausting pressure, then the vacuum pump 12 is used for secondary air exhaust (or air is directly exhausted without the exhaust valve), part of air is exhausted, the vibrator 18 can be started subsequently or simultaneously, so that the residual carbon dioxide in the soybean curd jelly is exhausted, and a small amount of bubbles generated when the air is flushed into the soybean milk can be broken due to negative pressure caused by vacuum pumping. The gas being drawn through the sieve 14 is effective to prevent the soy protein from entering the exhaust duct, and the sieve 14 may be suspended by a sieve hanger 16. Of course, the degree of vacuum pumping may be controlled according to the variety of bean curd, and then discharged to the outside through the exhaust duct 13. The vibrator 18 below the pressure barrel (tank) 25 generates vibration to promote or accelerate the escape of bubbles in the uncongealed beancurd, and the vibration process is cooperated with the vacuumizing process after the uncongealed beancurd is ignited, so that the bubbles in the deep uncongealed beancurd are removed. When the pressure cylinder is opened, air is fed in advance through an air inlet and blowing air passage 20 (an air blowing pipeline and a carbon dioxide replacement pipeline can be respectively arranged), so that the balance of the internal air pressure and the external air pressure of the pressure cylinder is achieved. When the additional coagulant is used, the additional coagulant can be added into the slurry dropping barrel 31 from other coagulant adding pipes 32 (the slurry dropping barrel 31 and the pressure barrel (tank) 25 can be the same barrel or tank), and the adding sequence of the additional coagulant (which can be various) and the carbon dioxide is not limited by the utility model, namely the additional coagulant can be added into the pressure barrel (tank) before the carbon dioxide; after the squatting pan (the utility model discloses do not injure the squatting pan before uncapping or after uncapping), uncap, squeeze etc..

The utility model has the important characteristics that the pressure release and exhaust pipe is led to outdoors, because carbon dioxide is heavier than air, and because bean products are produced and often in airtight space, unnecessary carbon dioxide gas is discharged outdoors, including the relief valve combustion gas of reation kettle (pneumatic cylinder, pressure vessel (jar) etc.). As the temperature of the workshop such as soybean product cooking and the like is generally higher, the carbon dioxide gas cylinder and the storage tank must keep a safe distance with a heat source, and the position relation with a production area, a living area, an office area and the like meets the relevant standard requirements; and a carbon dioxide alarm device is arranged in each relevant area. The design of the carbon dioxide gas and the pressure container is in accordance with international and domestic standards, and the improvement is made aiming at the production of bean products, and the related operation of the carbon dioxide gas and the pressure container is in accordance with the requirements of related operation regulations. The long-distance transport of gas will bring the loss of pressure to because the reduction gas pressure of gas liquid level also changes in the gas cylinder, the leading-in volume of difficult accurate control carbon dioxide, when the leading-in volume of carbon dioxide is great, should be leading-in a large number fast, otherwise can form the disturbance to the tofu pudding that has formed, so, set up gas holder and air pump. The air storage tank and the air pump can also use the improved air compressor, etc., the utility model discloses do not restrict.

For example, when the fried bean curd is produced, more air holes are expected, the application range or frequency of the vacuum pumping and negative pressure exhaust system of the utility model can be reduced; the utility model discloses do not do the restriction about the degree of evacuation when using carbon dioxide to replace the air in the pressure cylinder (or pressure vessel (jar) etc.) before the point brain to and the degree of evacuation to the pressure cylinder (or pressure vessel (jar) etc.) after the point brain, the degree of evacuation is confirmed according to the requirement in all aspects, and the various negative pressure degree (including the ordinary pressure) that the evacuation produced should be regarded as the utility model discloses a claim scope.

To the distance between soybean milk liquid level and pressure vessel (jar) lid, the utility model discloses do not prescribe a limit to, when the bung hugs closely the liquid level and does not leave the space promptly, can save carbon dioxide replacement step, nevertheless because the reduction of space elasticity for carbon dioxide's the comparatively difficult of impressing, when the pressure release under this condition, can adopt the volumetric decompression mode of fold form telescopic or piston etc. through whole promotion increase pressure vessel, if release the pressure through the exhaust hole then difficult to avoid because do not have buffer space, lack the air current passageway and make the soy protein be taken out.

The utility model discloses a pressure regulating device can have a large number of designs, can reduce the pressure differential inside and outside the pressure vessel through suction, exhaust gas, also can reduce pressure through the volume that changes the pressure vessel, or the combination is used, the utility model discloses not limit, should regard as the utility model discloses a claim scope. When the pressure is reduced by increasing the volume of the pressure container, for example, a part of the pressure container can be designed to be a folding type telescopic type (similar to the folding flanging of the bean curd box of the utility model) in the figure 8, a piston type (similar to the telescopic type and the air cylinder type pneumatic rod mentioned in the utility model) in the figure 9. Airtight space volume increase then pressure reduction, the utility model discloses a figure 8, figure 9 are used for increasing the flexible, pneumatic rod + pressure lid of volumetric fold of pressure vessel possesses the function of bleed valve, regard as the utility model discloses a bleed valve.

The utility model discloses do not injecing, can set up at pressure vessel's base, top cap or lateral wall, the form that the vibration was taken is unlimited, like electromagnetic vibration, sound wave vibration, ultrasonic vibration, mechanical vibration, eccentric vibration, inertial vibration, from centering vibration etc. energy supply mode is unlimited, like manual, electronic etc.

The scope of the claims of the present invention should be considered when various mixing forms of carbon dioxide and liquid such as packed tower, jet, membrane, venturi, home soda machine, etc. are used for mixing carbon dioxide with soybean milk, and the scope of the claims of the present invention should be considered when a self-innovative, designed mixing form is used, and in these carbonation systems, a carbon dioxide end releasing device where soybean milk contacts carbon dioxide is considered as a carbon dioxide reaction terminal.

The carbon dioxide gas source of the utility model can be a plurality of.

When the additional coagulant is used at the same time, the additional coagulant can be added into the curdling container from other coagulant adding pipes, generally added after the pressure container is opened, and the additional coagulant is added before the pressure container is opened (for example, the additional coagulant can be mixed with the soybean milk in the mixing device in advance) or added after the pressure container is opened, or added into other containers, the utility model discloses without limitation, the mixing device can be added after the soybean milk is mixed with the defoaming agent, and the adding mode is not limited; the manner and method of adding the coagulant are not limited, and the coagulant may be added manually.

The total consumption of the antifoaming agent in the production process of the bean products generally does not exceed 1-3 per mill of the weight of the dry beans, and the total consumption of the antifoaming agent used in the process of boiling the soybean milk meets the national standard.

The soybean milk (which can be mixed with a defoaming agent and an additional coagulant) reacts with carbon dioxide in a large container, (or after being squeezed and cut into pieces) is filled into a small bean curd box in a streamline manner, and then plastic package is carried out; alternatively, after the soymilk (which may have been mixed with the antifoaming agent, the additional coagulant, or no additional coagulant is used) is reacted with carbon dioxide in a large container, (or additional coagulant is used again), and then is loaded into a small tofu box in a production line. The coagulation container with various operation modes is matched with the bean curd box for use.

The additional coagulant is brine, gypsum, gluconic acid-delta-lactone and the like, and the utility model does not limit the additional coagulant. Additional coagulants include solid carbon dioxide dry ice particles, which may be coated, such as with a (nano) gas permeable coating. The additional coagulant may also include carbon dioxide gas. The carbon dioxide can also play roles in solidification, corrosion prevention, bacteriostasis and fresh preservation.

When the dry ice is used as a coagulant, a stirrer can be arranged in the pressure container to uniformly mix the dry ice with the soybean milk. Stirrers can be arranged when the defoaming agent is mixed with the soybean milk and when the coagulant is added; the utility model is not limited to the soymilk boiling device and various soymilk boiling processes.

And when the coagulator such as gypsum is used, a slurry flushing method can also be adopted.

It should be pointed out that, relative position relation of pipeline and pressure vessel such as grout pipe, carbon dioxide intake pipe (carbon dioxide replacement intake pipe, carbon dioxide reaction intake pipe) the utility model discloses not inject, confirm according to actual need, for example carbon dioxide intake pipe, grout pipe all can pass the pressure vessel lateral wall, and grout pipe can not pass pressure vessel.

The utility model discloses a mixing arrangement is including flourishing thick liquid container, pressure vessel (the reaction vessel of carbon dioxide and soybean milk), the mixing vessel who sets up alone in addition and so on, the utility model discloses it is not restricted. The milk container can be a milk boiling container.

The present invention is not limited to the materials used for the respective devices, and the present invention is not limited to the materials and the manufacturing processes for the pleated extension 27 of the bean curd box and the pleated extension 27 of the pressure barrel (can) with the pleated extension in fig. 8, and the pneumatic rod 23 for leveling the filter net and the pneumatic rod 23 for the pressure cover of the piston pressure barrel (can) in fig. 9 have different specifications and models.

The pressure regulating device of the utility model can be a deflation valve, and also can be a structure for increasing the effective volume of the pressure container, such as a pleated telescopic structure of the pressure container or a regulating piston in the pressure container. The pressure regulating device can also comprise an exhaust pipe, or a combination of the exhaust pipe, the vacuum pump and the intake pipe, and can be used independently, also can be used in combination, and can be regarded as the pressure regulating device, the utility model discloses it is not limited. Such as: after the reaction of the uncongealed beancurd is finished, directly using an exhaust valve to release pressure and deflate, reducing the pressure difference inside and outside the pressure container, and then opening the pressure container; or, after the vacuum pump is used for vacuumizing, the air inlet valve is opened to feed air, the pressure difference between the inside and the outside of the pressure container is reduced, and then the pressure container is opened; the pressure difference between the inside and the outside can be adjusted by adjusting the volume of the pressure barrel (except the pressure barrel (tank) with the fold expansion and the piston pressure barrel (tank), an air bag can be arranged in the pressure container for inflating, pressurizing, exhausting and depressurizing, etc.).

The air inlet and blowing air passage can be separately arranged, namely a carbon dioxide air inlet pipeline and an air blowing air passage are respectively arranged, the utility model is not limited; the amount of carbon dioxide injected when the carbon dioxide replaces the air in the pressure container is not limited by the utility model; for example, 0.1-0.4MPA is selected. Generally, the pressure can be higher than atmospheric pressure and lower than the pressure when the pressure is released after the completion of the cerebellation.

The dry ice can be completely and independently used as a bean curd coagulant for bean product production, the operation is relatively simple and convenient, excessive pipelines do not need to be laid, and the metering is easy. The volume of carbon dioxide gas converted from dry ice can expand by hundreds of times, and explosion is easily caused when the dosage of the closed space exceeds the standard.

The additional coagulant may be a composite coagulant, i.e., a combination of multiple coagulants. The utility model is not limited in the use proportion and the use sequence of various coagulants (including carbon dioxide).

The utility model discloses do not limit to the defoaming agent kind, do not limit physics defoaming or chemical defoaming, including the novel food additive who has similar defoaming, presses down functions such as bubble of innovation development by oneself (or develop the special defoaming agent of pointing at the brain to the soyfood), also should regard as the utility model discloses a claim scope. The utility model discloses it is not restricted to the mixed place of soybean milk and defoaming agent.

The utility model does not limit the characteristics of the soybean milk (such as the degree of cooking, traditional soybean milk, dreg-free whole soybean milk, mixed soybean milk and the like), the temperature, the degree (concentration) and the like; for cerebral application, cooked soybean milk is usually used.

The curdling cavity of the utility model can be a bean curd box, a pressure barrel or a pressure tank, etc.; the utility model discloses not injecing the relative position relation of grout discharging pipe and some thick liquid chamber, for example the grout discharging pipe can hang in the top in some thick liquid chamber, or stretch into some thick liquid chamber, can need not pass the pressure lid. The utility model discloses blast pipe and vacuum pump can independent work separately. The utility model discloses it sets up position, setting method etc. to add the pipe to other coagulants and is not restricted.

The above description is only intended to illustrate embodiments of the present invention, and the description is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A bean curd production apparatus, characterized in that the apparatus comprises

2. The apparatus for producing bean curd according to claim 1, wherein the pressure regulating means comprises an exhaust means including an exhaust and evacuation pipe extending into the curdling chamber, the exhaust and evacuation pipe passing through the pressure cover and being connected to a vacuum pump provided outside the pressure container, an output end of the vacuum pump being connected to an exhaust pipe.

3. A bean curd producing apparatus according to claim 1, wherein a strainer is further provided above the curdling chamber, and the strainer is provided below the pressure cover via a strainer hanger rod to prevent bean proteins from entering the exhaust duct.

4. A soy curd production apparatus as claimed in claim 2, wherein the soy curd production apparatus is further provided with a vibrator which is adapted to cooperate with the pressure vessel, and the vacuum means cooperates with the vibrator under the pressure vessel after the curdling is completed to promote escape of the gas from the soy curd.

5. A bean curd producing apparatus according to claim 1, further comprising a flattening screen and a pneumatic rod for driving the flattening screen.

6. The apparatus for producing tofu according to claim 1, wherein the pressure vessel comprises a pressure cylinder base and a pressure cover, the curdling chamber is a tofu box, and the tofu box is placed on the pressure cylinder base.

7. A tofu producing apparatus according to claim 6, further comprising an additional coagulant addition tube for introducing additional coagulant from the additional coagulant addition tube into the tofu box.

8. The apparatus for producing tofu according to claim 6, wherein the side wall of the tofu box is provided with a concertina, and the concertina of the tofu box is fixed by a fixing pressure pad.

9. The apparatus for producing tofu according to claim 1, wherein the pressure vessel comprises a pressure tank or a pressure tank, and a pressure cover, the curdling chamber is a pressure tank or a pressure tank, and a vibrator is provided at the bottom of the pressure tank or the pressure tank.

10. A bean curd production apparatus according to claim 9, wherein the production apparatus further comprises an additional coagulant addition pipe for introducing an additional coagulant from the additional coagulant addition pipe into the pressure tank or the pressure tank.