CN111543845B - Steam box with function of removing condensed water at top of steam chamber - Google Patents
Steam box with function of removing condensed water at top of steam chamber Download PDFInfo
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- CN111543845B CN111543845B CN202010340331.5A CN202010340331A CN111543845B CN 111543845 B CN111543845 B CN 111543845B CN 202010340331 A CN202010340331 A CN 202010340331A CN 111543845 B CN111543845 B CN 111543845B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/14—Cooking-vessels for use in hotels, restaurants, or canteens
- A47J27/16—Cooking-vessels for use in hotels, restaurants, or canteens heated by steam
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Food Science & Technology (AREA)
- Commercial Cooking Devices (AREA)
Abstract
The invention discloses a steam box with a function of removing condensed water at the top of a steam chamber, and relates to the technical field of cooking equipment. The steam box comprises a box body, a box door, a steam chamber and a steam generating device, wherein a first U-shaped clamping block and a second U-shaped clamping block are horizontally arranged on two sides of the top end of the steam chamber, a water absorption pad is arranged between the first U-shaped clamping block and the second U-shaped clamping block, and a negative pressure water pumping device communicated with the water absorption pad is arranged outside the box body. The negative pressure pumping device comprises a closed pumping cavity, a pumping pipe, a negative pressure pumping pipe and a pumping valve, wherein the central axis of the pumping cavity is located in the horizontal direction, the bottom end of the pumping cavity is communicated with a drain pipe, a rotating shaft is rotatably connected to the front end faces of the two end faces of the pumping cavity, the side wall of the rotating shaft is connected with a plurality of baffles, the baffles are arranged in the axial direction of the rotating shaft and are radial, a closed cavity is formed between every two adjacent baffles and the pumping cavity, and the pumping pipe and the pipe orifice of the negative pressure pumping pipe can be located in. The steam treatment device can treat steam generated at the top end of the steaming chamber in time, and prevent liquefied water drops from falling on raw materials to influence further processing of subsequent procedures.
Description
Technical Field
The invention relates to the technical field of cooking equipment, in particular to a steam box with a function of removing condensed water at the top of a steam chamber.
Background
Whole wheat flour is primary-color original-taste flour without adding whitening agent and gluten fortifier, that is, wheat flour containing wheat bran with a certain weight. The main preparation process comprises collecting endosperm, embryo bud and testa Tritici, stabilizing testa Tritici and embryo bud by steaming and heat treatment, and mixing wheat flour, testa Tritici and embryo bud at a certain ratio. The steaming treatment of the germ and bran is mainly to place the germ and bran in a steam box for cooking.
Referring to fig. 8, in the prior art, a steam box is disclosed, which comprises a box body 1, a box door 2 and a rectangular steam chamber 3 arranged inside the box body, wherein a steam generating device 4 is arranged at the bottom of the steam chamber 3, a plurality of brackets 30 are arranged in the steam chamber 3, and trays are placed on the brackets 30. During operation, the raw materials are placed on the tray, then the box door 2 is closed, the steam generating device 4 is opened, and the steam generating device 4 enables the temperature and the pressure in the steaming chamber 3 to be increased, so that the raw materials are cooked.
The above prior art solutions have the following drawbacks: because the steam generating device is arranged at the bottom end of the steaming chamber, the temperature of the steam can be continuously reduced in the rising process. This results in a temperature differential between the bottom and top ends of the chamber, causing the vapor at the top end to liquefy into small droplets. These small droplets fall on the topmost raw material during the descending process, so that the moisture content of the raw material is high, and the further processing of the subsequent process is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a steam box which can timely treat steam generated at the top end of a steam chamber and prevent liquefied small water drops from falling on raw materials to influence the further processing of the subsequent processes.
The above object of the present invention is achieved by the following technical solutions:
a steam box comprises a box body, a box door and a rectangular steam chamber arranged in the box body, wherein a steam generating device is arranged at the bottom end of the steam chamber, a first U-shaped clamping block and a second U-shaped clamping block are respectively and horizontally arranged on two vertical side walls at the top end of the steam chamber, which are positioned on two sides of the box door, the open ends of the first U-shaped clamping block and the second U-shaped clamping block are oppositely arranged, a water absorption pad is arranged between the first U-shaped clamping block and the second U-shaped clamping block, two ends of the water absorption pad are respectively clamped in the first U-shaped clamping block and the second U-shaped clamping block, a negative pressure water pumping device communicated with the water absorption pad is arranged outside the box body, the negative pressure water pumping device comprises a disc-shaped closed water pumping cavity, a water pumping pipe communicated between the first U-shaped clamping block and the water pumping cavity, a negative pressure air pumping pipe communicated with the water pumping cavity and an air pumping valve arranged, rotate before the both ends face in chamber of drawing water and be connected with the pivot, the pivot is equipped with its pivoted motor of drive, the circumference lateral wall of pivot is connected with a plurality of baffles that laminate completely with the chamber of drawing water, the baffle sets up and is radially along the axis direction of pivot, and two adjacent baffles and the chamber of drawing water between form airtight chamber, the pivot rotates the in-process, the mouth of pipe of drinking-water pipe and negative pressure exhaust tube can be located same airtight intracavity.
By adopting the technical scheme, after the steam box works for a period of time, the motor can be opened, the baffle plate rotates in the water pumping cavity, and the air extraction valve is opened. When the steam in the steaming chamber rises to the top end of the steaming chamber to be liquefied, the steam is firstly absorbed in the water absorption pad; in the rotating process of the baffle, when the water pumping pipe and the pipe orifice of the negative pressure exhaust pipe are positioned in the same closed cavity, at the moment, under the action of the negative pressure exhaust pipe, negative pressure is formed in the water pumping pipe, water in the water absorption pad is sucked into the closed cavity, and in the rotating process continuing along with the baffle, the water can enter the water drainage pipe by means of self gravity. Therefore, under the action of the negative pressure water pumping device, condensed water contained in the water absorption pad can be pumped out in time, and the condensed water is prevented from falling on the raw material at the topmost layer to influence the further processing of the subsequent procedures. Adopt indirect pumping mode, can avoid hot steam constantly to get into the intracavity that pumps water, help keeping the culinary art efficiency of raw materials.
The present invention in a preferred example may be further configured to: the bottom end of the negative pressure exhaust pipe is vertically provided with a fixed cylinder communicated with the water pumping cavity, the side wall of the fixed cylinder is provided with a first opening and a second opening from top to bottom, the first opening and the second opening are communicated through a pipeline arranged outside the fixed cylinder, an opening communicating column moving along the vertical direction is connected in the fixed cylinder in a sliding way, a third opening is arranged on one side wall of the opening communicating column, the bottom surface of the fixing cylinder is provided with a fourth opening communicated with the third opening, a first pressure spring is connected between the top surface of the opening communicating column and the end surface of the top end of the fixing cylinder, when the first pressure spring is in a natural state, one end of the open pore communicating column extends into the water pumping cavity, the opening communicating column is provided with a pushing assembly which enables the opening communicating column to be completely positioned in the fixed cylinder, and when the opening communicating column is completely positioned in the fixed cylinder, the third opening is communicated with the second opening; the one end that trompil intercommunication post stretched into the chamber of drawing water is the isosceles trapezoid that the topside was greater than the base along the cross-section of vertical direction, the promotion subassembly includes that the butt plate of pivot one end is kept away from to the baffle along anticlockwise connection and sets up the waist shape hole on the butt plate, the butt plate is the arc that suits with the chamber of drawing water all sides, the butt plate rotates the in-process, its waist shape hole and fourth aperture intercommunication.
By adopting the technical scheme, in the rotation process of the butt plate, when the butt plate is in mutual contact with the opening communicating column, the opening communicating column is pressed into the fixed cylinder, the waist-shaped hole is communicated with the fourth opening, the third opening, the second opening and the first opening, and the negative pressure exhaust tube can normally exhaust air from the water pumping cavity; when the butt plate rotates the in-process not with trompil intercommunication post contact, at this moment, under first pressure spring's effect, the one end of trompil intercommunication post is stretched out the solid fixed cylinder and is located the intracavity that draws water, and the third trompil is not communicateing with the second trompil, and the negative pressure exhaust tube can't be followed the intracavity that draws water and is bled. Through the mode, in the rotation process of the baffle, indirect air exhaust of the negative pressure exhaust pipe to the water pumping cavity can be realized, the design can enable the exhaust valve to be normally opened, the work and the non-work of the negative pressure exhaust pipe are realized only through the rotation of the baffle, the trouble that the exhaust valve needs to be frequently opened is avoided, and the labor intensity of workers is reduced. Meanwhile, the design can prevent the condensed water entering the sealed cavity from being directly sucked into the negative pressure air exhaust pipe to a certain degree, so that the water pumping efficiency of the water absorption pad is influenced.
The present invention in a preferred example may be further configured to: the baffle is provided with threely, and the contained angle is 120 between two adjacent baffles, the axis of drinking-water pipe is 60 with the axis contained angle of fourth trompil, waist shape hole sets up and the central angle that its arc length corresponds is 60 along the arc length direction of butt joint board.
By adopting the technical scheme, when the waist-shaped hole of the abutting plate is communicated with the fourth hole of the perforated communicating column in the rotation process of the baffle, the pipe orifices of the water pumping pipe and the negative pressure exhaust pipe are positioned in the same closed cavity, and the negative pressure exhaust pipe can suck water in the water absorption pad into the closed cavity; when the waist-shaped hole of the abutting plate is just separated from the fourth opening of the opening communicating column, at the moment, the pipe orifice of the water pumping pipe and the pipe orifice of the negative pressure pumping pipe are just positioned in different closed cavities. This design makes the negative pressure exhaust tube when intermittent type is bled, and the drinking-water pipe has the longest time of drawing water to the water absorption pad, has guaranteed that the hydroenergy of water absorption pad in time gets into in the drain pipe, can not fall on the raw materials.
The present invention in a preferred example may be further configured to: the baffle is formed by two sides and is gradually sunken towards the abutting plate towards the middle.
Through adopting above-mentioned technical scheme, the sunken department in the middle of the baffle can be concentrated to the water of taking out in the pad that absorbs water, compares the form that adopts the straight board, and its rotation in-process can not lead to these comdenstion waters to get into the pumping pipe again because of the effect of centrifugal force, influences the dewatering effect of the pad that absorbs water.
The present invention in a preferred example may be further configured to: the top of the water pumping cavity is provided with a pressure relief pipe, and a pressure relief valve is installed on the pressure relief pipe.
Through adopting above-mentioned technical scheme, at negative pressure exhaust tube during operation, the steam in the steam chamber probably gets into the intracavity that draws water, if the intracavity pressure that draws water is too high, can have certain potential safety hazard, leads to the suction pipe can't play the effect even. When the pressure in the pumping cavity is higher than the set value of the pressure release valve, the pressure release valve is automatically opened, so that the problem is effectively solved.
The present invention in a preferred example may be further configured to: the water absorption pad is parallel to the vertical section of the box door and is in an inverted V shape, and a bypass pipe is communicated between the vertical side wall of the second U-shaped clamping block and the water pumping pipe.
Through adopting above-mentioned technical scheme, when the last production comdenstion water that absorbs water, because the pad that absorbs water is "V" font, consequently, these water can be preferentially removed to the both sides bottom of the pad that absorbs water through gravity, can effectually avoid because the comdenstion water constantly gathers, the problem that directly drips from the middle part position of the pad that absorbs water. The setting up of bypass pipe makes the condensate water that absorbs water the both ends gathering of pad all in time taken out, has promoted the dewatering effect that absorbs water the pad.
The present invention in a preferred example may be further configured to: form the cavity between the both ends of absorbent pad and the top surface of steaming chamber, be provided with heating coil in the cavity, the top of steaming chamber is provided with first temperature sensor, the bottom of steaming chamber is provided with second temperature sensor, first temperature sensor and second temperature sensor all are connected with the controller electricity of steam ager, the temperature of heating coil is controlled to the controller.
Through adopting above-mentioned technical scheme, first temperature sensor and second temperature sensor can in time feed back the controller with the temperature feedback of the steam chamber different positions, and when the great setting value that reaches the controller of the difference in temperature at steam chamber both ends, the controller can make heating coil's temperature rise to reduce the temperature difference at steam chamber both ends. This design can prevent to a certain extent that the steam that rises from appearing the liquefaction, weakens the formation of comdenstion water, consequently, can solve the problem that the steam chamber top can drip owing to there is the difference in temperature in the root.
The present invention in a preferred example may be further configured to: the water draining pipe comprises a vertically arranged water level control pipe and a water draining pipe communicated with the bottom end of the water level control pipe, the bottom end of the water level control pipe is connected with a water level control block in a sliding mode, the water level control block is completely attached to the inner wall of the water level control pipe and slides in the vertical direction, a second pressure spring is connected between the bottom surface of the water level control block and the bottom surface of the water level control pipe, when the second pressure spring is in a natural state, the bottom end of the water level control block completely covers the communication position of the water draining pipe and the water level control pipe, and when the second pressure spring is in a compressed state, the water level control can be completely located below the communication position of the water draining pipe.
Through adopting above-mentioned technical scheme, can store the water column of certain liquid level height in the water level control pipe, when the liquid in the water level control pipe is more, can push down the water level control block to make unnecessary water directly discharge from the honeycomb duct. When the liquid in the water level control pipe is less, the water level control block moves upwards, so that the liquid is blocked from flowing out of the flow guide pipe. Therefore, the water discharge pipes have a water level control function, the water level in the water discharge pipes can form a liquid seal, and the steam entering the water pumping cavity can be prevented from being directly discharged from the water discharge pipes to influence the cooking efficiency of raw materials.
In conclusion, the beneficial technical effects of the invention are as follows:
1. by arranging the water absorption pad, the negative pressure water pumping device and the drain pipe, condensed water contained at the top end of the steaming chamber can be pumped out in time, and the condensed water is prevented from falling on the raw material at the topmost layer to influence the further processing of the subsequent procedures;
2. through the arrangement of the fixed cylinder, the first pressure spring, the opening communication column and the abutting plate with the waist-shaped hole, the air exhaust valve can be normally opened, the work and the non-work of the negative pressure air exhaust pipe can be realized only through the rotation of the baffle, and the labor intensity of workers is reduced; meanwhile, the condensed water entering the closed cavity can be prevented from being directly sucked into the negative pressure exhaust pipe to a certain extent, so that the water pumping efficiency of the water absorption pad is influenced;
3. the water absorption pad is arranged in an inverted V shape, and the bypass pipe is arranged, so that the problem that condensed water directly drips from the middle position of the water absorption pad due to continuous accumulation can be effectively avoided;
4. through setting up heating coil, first temperature sensor and second temperature sensor, can solve the problem that the steam chamber top can drip owing to there is the difference in temperature from the root to a certain extent.
Drawings
FIG. 1 is a schematic structural view of a steam box with a function of removing condensed water at the top of a steam chamber, which is disclosed in the embodiment;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged partial schematic view of portion B of FIG. 1;
FIG. 4 is a partial perspective cross-sectional view taken along plane C-C of FIG. 1;
FIG. 5 is an enlarged partial schematic view of portion D of FIG. 4;
FIG. 6 is an enlarged partial schematic view of section E of FIG. 4;
FIG. 7 is a schematic structural view of a baffle and an abutting plate;
fig. 8 is a schematic structural view of a steam box disclosed in the prior art.
Reference numerals: 1. a box body; 2. a box door; 3. a steaming chamber; 4. a steam generating device; 5. a first U-shaped clamp block; 6. a second U-shaped clamp block; 7. a water absorbent pad; 8. a negative pressure water pumping device; 81. a water pumping cavity; 82. a water pumping pipe; 83. a negative pressure exhaust pipe; 84. an air extraction valve; 9. a drain pipe; 91. a water level control pipe; 92. a flow guide pipe; 10. a rotating shaft; 11. a motor; 12. a baffle plate; 13. a closed cavity; 14. a fixed cylinder; 15. a first opening; 16. a second opening; 17. opening a hole to communicate with the column; 18. a third opening; 19. a fourth opening; 20. a first pressure spring; 21. a pushing assembly; 211. a butt joint plate; 212. a waist-shaped hole; 22. a pressure relief pipe; 23. a pressure relief valve; 24. a bypass pipe; 25. a heating coil; 26. a first temperature sensor; 27. a second temperature sensor; 28. a water level control block; 29. a second pressure spring; 30. a bracket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the steam box with the function of removing the condensed water at the top of the steam chamber disclosed by the invention comprises a box body 1, a box door 2 and a rectangular steam chamber 3 arranged in the box body 1, wherein a steam generating device 4 is arranged at the bottom end of the steam chamber 3, in the invention, the steam generating device 4 is mainly a steam pipe arranged at the bottom of the steam chamber 3, and steam is introduced into the steam pipe. The two vertical side walls of the top end of the steaming chamber 3, which are positioned at the two sides of the box door 2, are respectively and horizontally welded with a first U-shaped clamping block 5 (refer to FIG. 5) and a second U-shaped clamping block (refer to FIG. 2), the open ends of the first U-shaped clamping block 5 and the second U-shaped clamping block 6 are oppositely arranged, a water absorption pad 7 made of polyurethane is arranged between the first U-shaped clamping block 5 and the second U-shaped clamping block 6, and the two ends of the water absorption pad 7 are respectively clamped in the first U-shaped clamping block 5 and the second U. Referring to fig. 3 and 5, a negative pressure pumping device 8 communicated with the water absorption pad 7 is arranged outside the box body 1, the negative pressure pumping device 8 comprises a disc-shaped closed pumping cavity 81, a steel pumping pipe 82 communicated between the first U-shaped clamp block 5 and the pumping cavity 81, a negative pressure pumping pipe 83 communicated with the pumping cavity 81, and a pumping valve 84 installed on the negative pressure pumping pipe 83, and the pumping valve 84 is a gate valve. The central axis of the water pumping cavity 81 is located in the horizontal direction and the bottom end of the water pumping cavity is communicated with a water discharge pipe 9, a rotating shaft 10 is rotatably connected in front of two end faces of the water pumping cavity 81, the rotating shaft 10 is provided with a low-power motor 11 for driving the rotating shaft to rotate, and in the embodiment, the motor 11 is welded with the box body 1 of the steam box through a connecting block. The circumferential side wall of the rotating shaft 10 is connected with three baffles 12 completely attached to the water pumping cavity 81, the baffles 12 are arranged along the axial direction of the rotating shaft 10 and are radial, a sealed cavity 13 is formed between each two adjacent baffles 12 and the water pumping cavity 81, and in the rotating process of the rotating shaft 10, the water pumping pipe 82 and the pipe orifice of the negative pressure air pumping pipe 83 can be located in the same sealed cavity 13. After the steam box is operated for a period of time, the motor 11 can be turned on, the baffle plate 12 can be rotated in the pumping chamber 81, and the pumping valve 84 can be opened. When the steam in the steaming chamber 3 rises to the top end to be liquefied, the steam is firstly absorbed in the water absorption pad 7; when the pumping pipe 82 and the negative pressure pumping pipe 83 are located in the same sealed cavity 13 during the rotation of the baffle 12, at this time, under the action of the negative pressure pumping pipe 83, negative pressure is formed in the pumping pipe 82, water in the water absorption pad 7 is sucked into the sealed cavity 13, and during the continuous rotation along with the baffle 12, the water enters the water discharge pipe 9 by virtue of the self gravity. Therefore, under the action of the negative pressure water pumping device 8, the condensed water contained in the water absorption pad 7 can be pumped out in time, and the condensed water is prevented from falling on the raw material at the topmost layer to influence the further processing of the subsequent procedures. Adopt indirect pumping mode, can avoid in the continuous entering pumping chamber 81 of hot steam, help keeping the culinary art efficiency of raw materials.
Referring to fig. 1, 4 and 5, when condensed water is generated on the suction pad 7, due to the intermittent operation of the negative pressure pumping device 8, if the generation speed of the condensed water is too high, the condensed water may directly drop from the middle position of the suction pad 7, so that the suction pad 7 is arranged in an inverted "V" shape parallel to the vertical section of the box door 2, and a bypass pipe 24 is communicated between the vertical side wall of the second U-shaped block 6 and the pumping pipe 82. When the absorbent pad 7 generates condensed water, the absorbent pad 7 is inverted V-shaped, so that the water can preferentially move to the bottom ends of the two sides of the absorbent pad 7 through gravity, and the problem that the condensed water is gathered in the middle of the absorbent pad 7 and directly drips from the middle of the absorbent pad 7 can be effectively avoided. Preferably, a cavity is formed between the two ends of the water absorption pad 7 and the top surface of the steaming chamber 3, a heating coil 25 is arranged in the cavity, a first temperature sensor 26 is installed at the top end of the steaming chamber 3, a second temperature sensor 27 is installed at the bottom end of the steaming chamber 3, the first temperature sensor 26 and the second temperature sensor 27 are both electrically connected with a controller of the steaming box, and the controller controls the temperature of the heating coil 25. In this embodiment, the heating coil 25 is mainly a heating wire, and the heating principle is electric heating. The first temperature sensor 26 and the second temperature sensor 27 can feed back the temperatures of different positions of the steaming chamber 3 to the controller in time, and when the temperature difference between two ends of the steaming chamber 3 is large and reaches the set value of the controller, the controller can increase the temperature of the heating coil 25, thereby reducing the temperature difference between two ends of the steaming chamber 3. This design can prevent to a certain extent that the steam that rises from appearing the liquefaction, weakens the formation of comdenstion water, consequently, can solve the 3 tops of steaming chamber in the root because there is the problem that the difference in temperature can drip.
Referring to fig. 5 and 7, when the negative pressure pumping pipe 83 is operated, the pumping valve 84 needs to be opened to enable the negative pressure pumping pipe to normally operate, and frequent opening of the pumping valve 84 is troublesome, so in this embodiment, the following optimization is made: the bottom end of the negative pressure air exhaust pipe 83 is vertically provided with a cylindrical fixed cylinder 14 communicated with the water pumping cavity 81, the side wall of the fixed cylinder 14 is provided with a first opening 15 and a second opening 16 from top to bottom, the first opening 15 and the second opening 16 are communicated through a pipeline arranged outside the fixed cylinder 14, and the pipeline is in a U shape. The fixed cylinder 14 is connected with an open pore communicating column 17 which moves along the vertical direction in a sliding mode, a third open pore 18 is formed in one side wall of the open pore communicating column 17, a fourth open pore 19 communicated with the third open pore 18 is formed in the bottom surface of the open pore communicating column 17, a first pressure spring 20 is welded between the top surface of the open pore communicating column 17 and the top end face of the fixed cylinder 14, when the first pressure spring 20 is in a natural state, one end of the open pore communicating column 17 extends into the water pumping cavity 81, the open pore communicating column 17 is provided with a pushing assembly 21 which enables the open pore communicating column 17 to be completely located in the fixed cylinder 14, and when the open pore communicating column 17 is completely located in the fixed cylinder 14, the third open pore 18 is communicated with the second open. The cross section of the one end of the trompil communicating column 17 extending into the water pumping cavity 81 along the vertical direction is an isosceles trapezoid with the top edge larger than the bottom edge, the pushing assembly 21 comprises an abutting plate 211 which is integrally made along the anticlockwise direction and is far away from one end of the rotating shaft 10 on the baffle plate 12 and a kidney-shaped hole 212 which is arranged on the abutting plate 211, the abutting plate 211 is in an arc shape which is suitable for the circumferential side wall of the water pumping cavity 81, and the abutting plate 211 rotates, and the kidney-shaped hole 212 is communicated with the fourth opening 19.
Referring to fig. 5 and 7, during the rotation of the abutting plate 211, when the abutting plate is in contact with the hole communicating column 17, the hole communicating column 17 is pressed into the fixed cylinder 14, at this time, the waist-shaped hole 212 is communicated with the fourth opening 19, the third opening 18, the second opening 16 and the first opening 15, and the negative pressure air suction pipe 83 can normally suck air from the water suction cavity 81; when the abutting plate 211 does not contact the through hole communicating column 17 in the rotating process, at this time, under the action of the first pressure spring 20, one end of the through hole communicating column 17 extends out of the fixed cylinder 14 and is located in the water pumping cavity 81, the third through hole 18 is not communicated with the second through hole 16, and the negative pressure air pumping pipe 83 cannot pump air from the water pumping cavity 81. By the mode, in the rotating process of the baffle plate 12, indirect air suction of the negative pressure suction pipe 83 to the water pumping cavity 81 can be realized, the design can enable the suction valve 84 to be normally open, the work and the non-work of the negative pressure suction pipe 83 are realized only through the rotation of the baffle plate 12, the trouble that the suction valve 84 needs to be frequently opened is avoided, and the labor intensity of workers is reduced. Meanwhile, the first opening 15 and the second opening 16 are communicated through a U-shaped pipeline arranged outside the fixed cylinder 14, so that condensed water entering the sealed cavity 13 can be prevented from being directly sucked into the negative pressure exhaust pipe 83 to a certain degree, and the water pumping efficiency of the water suction pad 7 is influenced. Preferably, the baffle 12 is formed by gradually recessing towards the abutting plate 211 from both sides to the middle, and this design makes the water pumped out from the water absorption pad 7 concentrate at the center of the baffle 12, compared with the straight plate, the rotation of the baffle will not cause the condensed water to re-enter the water suction pipe 82 due to the centrifugal force, and the water removal effect of the water absorption pad 7 will not be affected.
Referring to fig. 5, further, an included angle between two adjacent baffles 12 is 120 °, an included angle between an axis of the pumping pipe 82 and an axis of the fourth opening 19 is 60 °, and the kidney-shaped opening 212 is arranged along the arc length direction of the abutting plate 211 and a central angle corresponding to the arc length is 60 °. During the rotation of the baffle 12, when the waist-shaped hole 212 of the abutting plate 211 is communicated with the fourth opening 19 of the opening communication column 17, at this time, the water pumping pipe 82 and the nozzle of the negative pressure air pumping pipe 83 are located in the same sealed cavity 13, and the negative pressure air pumping pipe 83 can suck the water in the water absorbing pad 7 into the sealed cavity 13; when the waist-shaped hole 212 of the abutting plate 211 is just separated from the fourth opening 19 of the opening communication column 17, the nozzle of the pumping pipe 82 and the nozzle of the negative pressure pumping pipe 83 are just positioned in different closed cavities 13. This design makes negative pressure exhaust tube 83 when intermittent type is bled, and drinking-water pipe 82 has the longest time of drawing water to water absorption pad 7, has guaranteed that the hydroenergy of water absorption pad 7 can not fall on the raw materials in time in flowing into drain pipe 9.
Referring to fig. 3, 4 and 5, when the negative pressure pumping pipe 83 works, water vapor in the steaming chamber 3 may enter the pumping cavity 81, and if the pressure in the pumping cavity 81 is too high, there is a certain safety hazard, even the pumping pipe 82 cannot function. Therefore, a pressure relief pipe 22 is attached to the tip of the pumping chamber 81, and a pressure relief valve 23 is attached to the pressure relief pipe 22. When the pressure in the pumping chamber 81 is higher than the set value of the pressure release valve 23, the pressure release valve 23 is automatically opened, thereby effectively solving the problem.
Referring to fig. 4 and 6, during the operation of the negative pressure water pumping device 8, a part of steam may enter the water pumping cavity 81 and be directly discharged from the water discharge pipe 9, which may cause the heat steam in the steaming chamber 3 to be dissipated, and the pressure is reduced, thereby affecting the cooking efficiency of the raw materials. Therefore, the drain pipe 9 is further optimized to have a liquid sealing function inside to prevent the direct discharge of steam, and the main design is as follows: the water discharge pipe 9 comprises a vertically arranged water level control pipe 91 and a guide pipe 92 welded and communicated with the bottom end of the water level control pipe 91, the bottom end of the water level control pipe 91 is connected with a cylindrical water level control block 28 in a sliding mode, the water level control block 28 is completely attached to the inner wall of the water level control pipe 91 and slides in the vertical direction, a second pressure spring 29 is welded between the bottom surface of the water level control block 28 and the bottom surface of the water level control pipe 91, when the second pressure spring 29 is in a natural state, the bottom end of the water level control block 28 completely covers the communication position of the guide pipe 92 and the water level control pipe 91, and when the second pressure spring 29 is in a compressed state, the water level control can be completely located below the communication position of. When the liquid in the water level control pipe 91 is large, the water level control block 28 is pressed down, so that the excessive water is directly discharged from the guide pipe 92. When the liquid in the water level control pipe 91 is small, the water level control block 28 moves upward, thereby blocking the liquid from flowing out of the flow guide pipe 92. It can be seen that the water discharge pipes 9 have a water level control function, and the water level in these water discharge pipes 9 forms a liquid seal, thereby solving the above-mentioned problems.
The implementation principle of the embodiment is as follows: when the cooking device works, raw materials are placed on the tray, the box door 2 is closed, the steam generating device 4 is opened, the temperature and the pressure in the steaming chamber 3 are increased through the steam generating device 4, and the raw materials are cooked. When the steam box is operated, the air suction valve 84 is firstly ensured to be in an open state, and after the steam box is operated for a period of time, the motor 11 is turned on, so that the baffle plate 12 rotates in the water pumping cavity 81. When the steam in the steaming chamber 3 rises to the top end to be liquefied, the steam is firstly absorbed in the water absorption pad 7; when the abutting plate 211 rotates along with the motor 11 and contacts the open-pore communicating column 17, the open-pore communicating column 17 is pressed into the fixed cylinder 14, at this time, the waist-shaped hole 212 is communicated with the fourth opening 19, the third opening 18, the second opening 16 and the first opening 15, the negative-pressure air suction pipe 83 can normally suck air from the water suction cavity 81, negative pressure is formed in the water suction pipe 82 under the action of the negative-pressure air suction pipe 83, and water in the water absorption pad 7 is sucked into the closed cavity 13. When the abutting plate 211 is not in contact with the through-hole communication post 17 during the rotation of the motor 11, the negative pressure air-extracting pipe 83 cannot extract air from the water-extracting chamber 81, and then the water enters the water-discharging pipe 9 by its own weight. Therefore, under the action of the negative pressure water pumping device 8, the condensed water contained in the water absorption pad 7 can be pumped out in time, and the condensed water is prevented from falling on the raw material at the topmost layer to influence the further processing of the subsequent procedures. When the amount of the condensed water in the water level control pipe 91 is large, the condensed water introduced into the water discharge pipe 9 presses the water level control block 28 downward, so that the excessive water is directly discharged from the water guide pipe 92. When the liquid in the water level control pipe 91 is small, the water level control block 28 moves upward, thereby blocking the liquid from flowing out of the flow guide pipe 92.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The steam box with the function of removing condensed water at the top of the steam chamber (3) comprises a box body (1), a box door (2) and a rectangular steam chamber (3) arranged in the box body (1), wherein a steam generating device (4) is arranged at the bottom end of the steam chamber (3), the steam box is characterized in that two vertical side walls, located at two sides of the box door (2), at the top end of the steam chamber (3) are respectively and horizontally provided with a first U-shaped clamping block (5) and a second U-shaped clamping block (6), open ends of the first U-shaped clamping block (5) and the second U-shaped clamping block (6) are oppositely arranged, a water absorbing pad (7) is arranged between the first U-shaped clamping block and the second U-shaped clamping block, two ends of the water absorbing pad (7) are respectively clamped in the first U-shaped clamping block (5) and the second U-shaped clamping block (6), a negative-pressure water pumping device (8) communicated with the water absorbing pad (7) is arranged outside the box body (1), and the negative-pressure, The water pumping pipe (82) communicated between the first U-shaped clamping block (5) and the water pumping cavity (81), the negative pressure air pumping pipe (83) communicated with the water pumping cavity (81) and the air pumping valve (84) installed on the negative pressure air pumping pipe (83), wherein the central axis of the water pumping cavity (81) is positioned in the horizontal direction, the bottom end of the water pumping cavity is communicated with a drain pipe (9), a rotating shaft (10) is rotationally connected in front of the two end faces of the water pumping cavity (81), the rotating shaft (10) is provided with a motor (11) for driving the rotating shaft to rotate, the circumferential side wall of the rotating shaft (10) is connected with a plurality of baffles (12) completely attached to the water pumping cavity (81), the baffles (12) are arranged in a radial shape along the axial direction of the rotating shaft (10), a sealed cavity (13) is formed between the two adjacent baffles (12) and the water pumping cavity (81), the rotating shaft (10) rotates, and the water pumping pipe orifice of the water pumping pipe (82) and the negative pressure air pumping pipe (83, the negative pressure air suction pipe (83) is characterized in that a fixed cylinder (14) communicated with a water suction cavity (81) is vertically arranged at the bottom end of the negative pressure air suction pipe (83), a first opening (15) and a second opening (16) are arranged on the side wall of the fixed cylinder (14) from top to bottom, the first opening (15) and the second opening (16) are communicated through a pipeline arranged outside the fixed cylinder (14), an opening communicating column (17) moving along the vertical direction is connected in the fixed cylinder (14) in a sliding mode, a third opening (18) is arranged on one side wall of the opening communicating column (17), a fourth opening (19) communicated with the third opening (18) is formed in the bottom surface of the third opening (19), a first pressure spring (20) is connected between the top surface of the opening communicating column (17) and the top end face of the fixed cylinder (14), and when the first pressure spring (20) is in a natural state, one end of the opening communicating column (17) extends into the water suction cavity (81), the open pore communication column (17) is provided with a pushing assembly (21) which enables the open pore communication column to be completely positioned in the fixed cylinder (14), and when the open pore communication column (17) is completely positioned in the fixed cylinder (14), the third open pore (18) is communicated with the second open pore (16); trompil intercommunication post (17) stretch into the one end of taking out water cavity (81) and are the isosceles trapezoid that the topside is greater than the base along the cross-section of vertical direction, promote subassembly (21) including connecting butt plate (211) of keeping away from pivot (10) one end and seting up waist shape hole (212) on butt plate (211) at baffle (12) along counter clockwise, butt plate (211) are the arc that suits with water cavity (81) circumference lateral wall, butt plate (211) rotate the in-process, its waist shape hole (212) and fourth trompil (19) intercommunication.
2. The steam box with the function of removing the condensed water at the top of the steam chamber as claimed in claim 1, wherein the number of the baffles (12) is three, the included angle between two adjacent baffles (12) is 120 °, the included angle between the axis of the water pumping pipe (82) and the axis of the fourth opening (19) is 60 °, the waist-shaped hole (212) is arranged along the arc length direction of the abutting plate (211), and the central angle corresponding to the arc length is 60 °.
3. A steam box with the function of removing the top condensate of a steam chamber as claimed in claim 2, characterized in that the baffle (12) is formed by two sides gradually sinking towards the middle towards the abutting plate (211).
4. A steam box with the function of removing the condensed water at the top of the steam chamber according to claim 3, characterized in that the top end of the water pumping cavity (81) is provided with a pressure relief pipe (22), and a pressure relief valve (23) is arranged on the pressure relief pipe (22).
5. The steam box with the function of removing the condensed water at the top of the steam chamber as claimed in claim 1, characterized in that the water absorption pad (7) is in an inverted V shape parallel to the vertical section of the box door (2), and a bypass pipe (24) is communicated between the vertical side wall of the second U-shaped clamping block (6) and the pumping pipe (82).
6. The steam box with the function of removing the condensed water at the top of the steam chamber as claimed in claim 4, wherein a cavity is formed between the two ends of the absorbent pad (7) and the top surface of the steam chamber (3), a heating coil (25) is arranged in the cavity, a first temperature sensor (26) is arranged at the top end of the steam chamber (3), a second temperature sensor (27) is arranged at the bottom end of the steam chamber (3), the first temperature sensor (26) and the second temperature sensor (27) are both electrically connected with a controller of the steam box, and the controller controls the temperature of the heating coil (25).
7. The steam box with the function of removing the condensed water at the top of the steam chamber as claimed in claim 1, wherein the drain pipe (9) comprises a vertically disposed water level control pipe (91) and a flow guide pipe (92) connected to the bottom end of the water level control pipe (91), the bottom end of the water level control pipe (91) is slidably connected to a water level control block (28), the water level control block (28) is completely attached to the inner wall of the water level control pipe (91) and slides in the vertical direction, a second pressure spring (29) is connected between the bottom surface of the water level control block (28) and the bottom surface of the water level control pipe (91), when the second pressure spring (29) is in the natural state, the bottom end of the water level control block (28) completely covers the connection between the flow guide pipe (92) and the water level control pipe (91), and when the second pressure spring (29) is in the compressed state, the water level control can be completely located below the connection between the flow guide pipe (92) and the water level control pipe .
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CN112254437B (en) * | 2020-09-30 | 2022-04-15 | 金陵科技学院 | Air exhaust mechanism for vacuum drying oven, vacuum drying oven and vacuum drying method |
CN113729486B (en) * | 2021-09-30 | 2022-04-29 | 广东美的厨房电器制造有限公司 | Steam cooking apparatus |
CN116102250A (en) * | 2023-02-17 | 2023-05-12 | 南京迈通光电科技有限公司 | Optical fiber drawing cooling device |
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CN106377169A (en) * | 2016-10-31 | 2017-02-08 | 宁波方太厨具有限公司 | Accumulated water treatment structure of electric steaming box |
CN210227796U (en) * | 2019-06-15 | 2020-04-03 | 北京东方圣厨厨房设备有限公司 | Quick energy-saving low-noise steam box |
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EP0641165A1 (en) * | 1992-03-17 | 1995-03-08 | TIPPMANN, Eugene R. | Subatmospheric pressure cook-and-hold steaming oven |
CN103925238A (en) * | 2014-05-09 | 2014-07-16 | 重庆大学 | Epicycloid centrifugal pump impeller |
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