Temperature and humidity control system of fermentation chamber

Abstract

A temperature and humidity control system of a fermentation room comprises a room body, the top of the room body is fixedly connected with an air bellow circulating air device, the top wall in the room body is fixedly connected with three air pipes, the three air pipes are communicated with the air bellow circulating air device, air supply main pipes are arranged on the two sides of the three air pipes, an air return main pipe is arranged in the middle of the three air pipes, and air return openings are formed in the two sides of the air return main pipe. A temperature and humidity sensor is mounted at one air return opening; air supply branch pipes and air guide pipes are fixedly connected to the inner side walls of the two sides of the room body, one ends of the air supply branch pipes communicate with the air supply main pipe, and the other ends of the air supply branch pipes are inserted into the air guide pipes. According to the utility model, the problem of deviation caused by non-uniform heating of dough is solved, so that the bread is thoroughly fermented, the texture is uniform and fine, and the taste is good; by arranging the heat exchanger, the humidifying pipe and the cold water pipe for cooling steam in the humidifying pipe, the influence of humidifying on the temperature can be avoided, and the fermentation temperature and humidity can be accurately controlled.

Description

Technical Field

[0001] The utility model belongs to the technical field of pastry food processing, in particular to a temperature and humidity control system of a proofing room. Background Art

[0002] Proofing is an important process in pastry food processing. The proofing time is generally 30-60 minutes, the temperature is about 35℃-40℃, and the relative humidity is 80-90%. How to accurately control the temperature and humidity of the proofing plays a vital role in the quality of the dough proofing. The volume after proofing should increase to twice that before proofing.

[0003] At present, pastry food production enterprises generally put the pastries into the proofing room, and then send steam into the proofing room through the air duct for humidification and heating, so as to proof the pastries. However, the temperature and humidity near the air supply port of the existing proofing room are high, and the temperature and humidity away from the air supply port are low, which will lead to uneven distribution of temperature and humidity in the proofing room, causing uneven heating of the dough, thereby causing uneven dough rising. Therefore, there are still shortcomings and deficiencies in the prior art. Utility Model Content

[0004] The utility model provides a temperature and humidity control system for a proofing room to solve the problems raised in the background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a temperature and humidity control system of a proofing room, comprising a room body, a heat-insulating door is arranged on the side wall of the room body, a bellows circulating air device for adjusting the temperature and humidity of the air is fixedly connected to the top of the room body, three horizontally arranged air ducts are fixedly connected to the top wall inside the room body, the three air ducts are all connected to the bellows circulating air device, two of the three air ducts are air supply main pipes on both sides, the middle is a return air main pipe, a number of return air ports are opened on both sides of the return air main pipe, a temperature and humidity sensor is installed at one of the return air ports; a number of vertically arranged air supply branch pipes and air guide pipes are fixedly connected to the inner side walls on both sides of the room body, the air supply branch pipes and the air guide pipes correspond to each other one by one, one end of the air supply branch pipe is connected to the air supply main pipe, and the other end of the air supply branch pipe is inserted into the air guide pipe.

[0006] Preferably, the bellows circulating air device includes a bellows, which is fixedly connected to the top of the room, with an electric heater installed in the bellows, and a heat exchanger, a humidifying tube and a fan are installed on both sides of the electric heater in the bellows in sequence, and the outlet end of the fan is connected to the air supply main pipe through a first connecting pipe; air inlets are opened on the front and rear sides of the bellows, the air inlets are located between the two heat exchangers, and the air inlets are connected to the return air main pipe through a second connecting pipe.

[0007] Preferably, a first steam pipe is provided outside the bellows, a first control valve is installed on the first steam pipe, one end of the first steam pipe extends into the bellows and is connected to the humidifying pipe, and a plurality of nozzles are installed on the humidifying pipe.

[0008] Preferably, a cold water pipe is provided outside the bellows, a second control valve is installed on the cold water pipe, and one end of the cold water pipe extends into the bellows and is connected to the humidification pipe.

[0009] Preferably, a second steam pipe is provided outside the bellows, a third control valve is installed on the second steam pipe, one end of the second steam pipe extends into the bellows and is connected to the heat exchanger, the outlet of the heat exchanger is connected to the first drain pipe, and a steam trap is installed on the first drain pipe.

[0010] Preferably, a partition plate is fixedly connected to the outer side of the heat exchanger, and the partition plate is fixedly and sealingly connected to the inner side wall of the wind box.

[0011] Preferably, a drainage ditch is provided at the bottom of the bellows, and a water outlet of the drainage ditch is connected to a second drainage pipe.

[0012] Preferably, the return air main pipe is connected to a third drain pipe.

[0013] The beneficial effects of the utility model are as follows: (1) the utility model optimizes the arrangement of the supply and return air ducts to achieve air convection circulation in the room and uniform temperature and humidity distribution, and arranges air supply ducts on both sides of the room to facilitate alternating air supply by the air supply ducts on both sides, thereby avoiding the phenomenon of high temperature and humidity near the air supply port, thereby solving the problem of uneven dough rise caused by uneven heating, and thus making the bread rise transparently, with uniform and delicate texture and good taste; (2) by arranging a heat exchanger and a humidifying tube, the temperature and humidity can be controlled independently, and by arranging a cold water pipe to cool the steam in the humidifying tube, the influence of humidification on temperature can be avoided, thereby accurately controlling the fermentation temperature and humidity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the room body of the utility model;

[0016] Figure 3 This is a structural schematic diagram of the bellows circulating air device of the utility model;

[0017] Figure 4 This is a schematic diagram of air flow in a room in the first mode of the utility model;

[0018] Figure 5 This is a schematic diagram of the air flow in the room in the second mode of the utility model.

[0019] In the figure: 1, room body, 2, control system, 3, insulation door, 4, air supply pipe, 5, return air pipe, 6, return air outlet, 7, temperature and humidity sensor, 8, air supply branch pipe, 9, air guide pipe, 10, bellows, 11, electric heater, 12, heat exchanger, 13, humidification pipe, 14, fan, 15, first connecting pipe, 16, air inlet, 17, second connecting pipe, 18, first steam pipe, 19, first control valve, 20, nozzle, 21, cold water pipe, 22, second control valve, 23, second steam pipe, 24, third control valve, 25, first drain pipe, 26, steam trap, 27, partition plate, 28, drain ditch, 29, second drain pipe, 30, third drain pipe. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings. Figure 1 The direction in shall prevail.

[0021] like Figure 1-5 As shown, the utility model provides a temperature and humidity control system for a proofing room, comprising a room body 1, a control system 2 for controlling the entire process flow is installed on the outer wall of the room body 1, the control system 2 can be a PLC programmable control system 2, an intelligent advanced instrument, etc., a heat preservation door 3 is arranged on the side wall of the room body 1, a bellows 10 circulating air device for adjusting the temperature and humidity of the air is fixedly connected to the top of the room body 1, three horizontally arranged air ducts are fixedly connected to the top wall inside the room body 1, and the three air ducts are all connected to the bellows 10 circulating air device, both sides of the three air ducts are air supply pipes 4, the middle is a return air pipe 5, and a plurality of return air ports 6 are opened on both sides of the return air pipe 5, a temperature and humidity sensor 7 is installed at one of the return air ports 6 for monitoring the return air temperature and humidity, the temperature and humidity sensor 7 is located at a return air port 6 close to the heat preservation door 3, when the heat preservation door 3 is opened, the temperature and humidity sensor 7 can quickly sense the temperature and humidity changes, and the temperature sensor is electrically connected to the control system 2, and in this embodiment, the temperature and humidity sensor 7 adopts a high-precision temperature and humidity sensor 7. Several vertically arranged air supply branch pipes 8 and air guide pipes 9 are fixedly connected to the inner walls on both sides of the room body 1. The air supply branch pipes 8 and the air guide pipes 9 correspond to each other one by one. One end of the air supply branch pipe 8 is connected to the air supply main pipe 4, and the other end of the air supply branch pipe 8 is inserted into the air guide pipe 9. A gap is left between the inner wall of the air guide pipe 9 and the outer wall of the air supply branch pipe 8.

[0022] Specifically, when in use, the utility model has two operating modes: Mode 1, the air supply pipes 4 on the left and right sides supply air at the same time, and the return air ports 6 on both sides of the return air pipe 5 return air. At this time, the humidified and heated air enters the room body 1 through the air supply pipe 4, the air supply branch pipe 8, and the air guide pipe 9 in sequence, and then flows to the return air ports 6 on both sides of the return air pipe in the room body 1 (such as Figure 4As shown), the air in the room 1 circulates quickly, thereby causing the temperature and humidity in the room 1 to rise quickly; Mode 2, first the left air supply main 4 supplies air, and the return air ports 6 on both sides of the air duct, the opening at the top of the right air duct 9, and the opening at the bottom of the right air duct 9 return air. At this time, the humidified and heated air enters the room 1 through the left air supply main 4, the air supply branch 8, and the air duct 9 in turn, and then flows to the return air ports 6 on both sides of the air duct, the opening at the top of the right air duct 9, and the opening at the bottom of the right air duct 9 in the room 1 (as shown Figure 5 As shown), this can make the air in the room 1 circulate evenly through convection, so that the heat and moisture are evenly dispersed in the room 1. After the left air duct supplies air for a certain period of time, the left air supply pipe 4 stops supplying air, and then the right air supply pipe 4 supplies air. The return air ports 6 on both sides of the air duct, the opening at the top of the left air guide pipe 9, and the opening at the bottom of the left air guide pipe 9 return air. In this way, the air supply pipes 4 on the left and right sides supply air alternately, which can avoid the phenomenon of high temperature and humidity near the air supply ports, so that the temperature and humidity in the room 1 are evenly distributed.

[0023] The utility model optimizes the arrangement of the supply and return air ducts to achieve air convection circulation in the room body 1, and uniform temperature and humidity distribution, and arranges air supply ducts on both sides of the room body 1 so that the air supply ducts on both sides supply air alternately, which can avoid the phenomenon of high temperature and humidity near the air supply port, thereby solving the problem of uneven dough rising due to uneven heating, and making the bread rise transparently, with uniform and delicate texture and good taste.

[0024] In some embodiments, the bellows 10 circulating air device includes a bellows 10, which is fixedly connected to the top of the room body 1, and an electric heater 11 is installed in the bellows 10. Heat exchangers 12, humidification tubes 13, and fans 14 are installed on both sides of the electric heater 11 in the bellows 10 in sequence, and the outlet end of the fan 14 is connected to the air supply main pipe 4 through a first connecting pipe 15; air inlets 16 are opened on the front and rear sides of the bellows 10, and the air inlets 16 are located between the two heat exchangers 12. The air inlets 16 are connected to the return air main pipe 5 through a second connecting pipe 17, and the electric heater 11 and the fan 14 are electrically connected to the control system 2. Specifically, when in use, the electric heater 11 is used to assist in heating the air under extreme conditions. High-temperature steam flows in the heat exchanger 12 to heat the air passing through the bellows 10. The main function of the humidifying tube 13 is to adjust the humidity of the air. The air with adjusted temperature and humidity enters the room 1 through the first connecting tube 15, the air supply main pipe 4, the air supply branch pipe 8, and the air guide pipe 9 in sequence under the action of the fan 14.

[0025] In some embodiments, a first steam pipe 18 is provided outside the wind box 10, a first control valve 19 is installed on the first steam pipe 18, the first control valve 19 is electrically connected to the control system 2, one end of the first steam pipe 18 extends into the wind box 10 and is connected to the humidification pipe 13, and a plurality of nozzles 20 are installed on the humidification pipe 13. Specifically, the steam pipelines of the steam generator, boiler room, etc. are connected to the inlet of the first steam pipe 18. When the air needs to be humidified, the control system 2 opens the first control valve 19, and the steam is ejected from the nozzle 20 after passing through the first steam pipe 18 and the humidification pipe 13 in sequence, so that the air in the wind box 10 can be humidified.

[0026] In some embodiments, a cold water pipe 21 is provided outside the bellows 10, a second control valve 22 is installed on the cold water pipe 21, the second control valve 22 is electrically connected to the control system 2, and one end of the cold water pipe 21 extends into the bellows 10 and is connected to the humidification pipe 13. Specifically, the domestic water supply pipe, the pressurized pure water pipe, etc. are connected to the inlet of the cold water pipe 21. When humidifying the air, the control system 2 opens the second control valve 22, and the cold water enters the humidification pipe 13 after passing through the cold water pipe 21. The cold water can reduce the temperature of the steam in the humidification pipe 13, thereby avoiding the situation where the humidification process affects the air temperature.

[0027] In some embodiments, a second steam pipe 23 is further provided outside the wind box 10, and a third control valve 24 is installed on the second steam pipe 23. The third control valve 24 is electrically connected to the control system 2. One end of the second steam pipe 23 extends into the wind box 10 and is connected to the heat exchanger 12. The outlet of the heat exchanger 12 is connected to the first drain pipe 25, and a steam trap 26 is installed on the first drain pipe 25. Specifically, the steam pipelines of the steam generator, boiler room, etc. are connected to the inlet of the second steam pipe 23. When the air needs to be heated, the control system 2 opens the third control valve 24, and the steam enters the heat exchanger 12 through the second steam pipe 23. The steam exchanges heat with the air in the wind box 10 through the heat exchanger 12, thereby heating the air in the wind box 10. The steam after heat exchange is cooled down and condensed into condensed water. The condensed water is discharged into the drainage network after passing through the steam trap 26 and the first drain pipe 25 in sequence.

[0028] In some embodiments, a partition plate 27 is fixedly connected to the outside of the heat exchanger 12, and the partition plate 27 is fixedly and sealedly connected to the inner wall of the wind box 10. Specifically, the partition plate 27 is provided to facilitate air flow through the heat exchanger 12, thereby ensuring the normal operation of the heat exchanger 12.

[0029] In some embodiments, a drainage ditch 28 is provided at the bottom of the wind box 10, and the outlet of the drainage ditch 28 is connected to a second drainage pipe 29. Specifically, the drainage ditch 28 is provided to collect waste water in the wind box 10, and the waste water in the drainage ditch 28 is discharged into the drainage network through the second drainage pipe 29.

[0030] In some embodiments, the return air main pipe 5 is connected to a third drain pipe 30. Specifically, the condensed water in the return air pipe can be discharged into the drainage network through the third drain pipe 30.

[0031] The specific use process of the utility model is as follows: when in use, when the temperature and humidity in the room 1 differ greatly from the set value, the temperature and humidity sensor 7 transmits a signal to the control system 2, and the control system 2 judges to execute mode 1 operation. At this time, the control system 2 starts two fans 14 at the same time, and the air after heating and humidification passes through the fan 14, the first connecting pipe 15, the air supply main pipe 4, the air supply branch pipe 8, and the air guide pipe 9 in turn into the room 1, and then the air in the room 1 passes through the return air port 6, the return air pipe, the second connecting pipe 17, and the air inlet 16 in turn into the wind box 10, so that the temperature and humidity in the room 1 rise rapidly; when the temperature and humidity in the room 1 differ little from the set value, the temperature and humidity sensor 7 transmits a signal to the control system 2, and the control system 2 judges to execute mode 1 operation. At this time, the control system 2 starts two fans 14 at the same time, and the air after heating and humidification passes through the fan 14, the first connecting pipe 15, the air supply main pipe 4, the air supply branch pipe 8, and the air guide pipe 9 in turn into the room 1. Then, the air in the room 1 passes through the return air port 6, the return air pipe, the second connecting pipe 17, and the air inlet 16 in turn into the wind box 10, so that the temperature and humidity in the room 1 rise rapidly. The signal is transmitted to the control system 2, and the control system 2 determines to execute the mode 2 operation. At this time, the control system 2 starts the two fans 14 alternately. When the left fan 14 is started, the heated and humidified air enters the room 1 from the left air duct 9, and then flows to the return air ports 6 on both sides of the return air duct and the openings at the top and bottom of the right air duct 9 for return air. After the left fan 14 has run for a certain period of time, the left fan 14 is turned off and the right fan 14 is started, then the right air duct 9 supplies air, and the return air ports 6 on both sides of the return air duct and the openings at the top and bottom of the left air duct 9 return air. In this way, the fans 14 on the left and right sides operate alternately, so that the air convection circulates in the room 1 and the temperature and humidity are evenly distributed.

[0032] In the above embodiments, the connection method between the control system 2 and the temperature and humidity sensor 7, the electric heater 11, the fan 14, the first control valve 19, the second control valve 22, and the third control valve 24 is the existing technology and will not be repeated here.

[0033] The above embodiments can be combined with each other.

[0034] The above embodiments do not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the protection scope of the technical solution of the utility model.

Claims

1. A temperature and humidity control system for a proofing room, comprising a room body, a heat preservation door is arranged on the side wall of the room body, and the characteristics are: The top of the room is fixedly connected to a bellows circulating air device for adjusting the temperature and humidity of the air, and the top wall inside the room is fixedly connected to three horizontally arranged air ducts, all of which are connected to the bellows circulating air device. Both sides of the three air ducts are air supply pipes, and the middle is a return air pipe. Both sides of the return air pipe are provided with a number of return air ports, and a temperature and humidity sensor is installed at one of the return air ports; Several vertically arranged air supply branch pipes and air guide pipes are fixedly connected to the inner walls on both sides of the room body. The air supply branch pipes and the air guide pipes correspond to each other one by one. One end of the air supply branch pipe is connected to the air supply main pipe, and the other end of the air supply branch pipe is inserted into the air guide pipe.

2. A temperature and humidity control system for a proofing room according to claim 1, characterized in that: The bellows circulating air device comprises a bellows, which is fixedly connected to the top of the room, an electric heater is installed in the bellows, a heat exchanger, a humidifying pipe and a fan are installed on both sides of the electric heater in the bellows in sequence, and the outlet end of the fan is connected to the air supply main pipe through a first connecting pipe; air inlets are opened on the front and rear sides of the bellows, the air inlets are located between the two heat exchangers, and the air inlets are connected to the return air main pipe through a second connecting pipe.

3. A temperature and humidity control system for a proofing room according to claim 2, characterized in that: A first steam pipe is arranged outside the wind box, a first control valve is installed on the first steam pipe, one end of the first steam pipe extends into the wind box and is connected with a humidifying pipe, and a plurality of nozzles are installed on the humidifying pipe.

4. A temperature and humidity control system for a proofing room according to claim 2, characterized in that: A cold water pipe is arranged outside the bellows, a second control valve is installed on the cold water pipe, and one end of the cold water pipe extends into the bellows and is connected with the humidifying pipe.

5. The temperature and humidity control system of a proofing room according to claim 2, characterized in that: A second steam pipe is also provided outside the wind box, a third control valve is installed on the second steam pipe, one end of the second steam pipe extends into the wind box and is connected to the heat exchanger, the outlet of the heat exchanger is connected to the first drain pipe, and a steam trap is installed on the first drain pipe.

6. A temperature and humidity control system for a proofing room according to claim 2, characterized in that: A partition plate is fixedly connected to the outer side of the heat exchanger, and the partition plate is fixedly and sealingly connected to the inner side wall of the wind box.

7. The temperature and humidity control system of a proofing room according to claim 2, characterized in that: A drainage ditch is provided at the bottom of the wind box, and a water outlet of the drainage ditch is connected to a second drainage pipe.

8. The temperature and humidity control system of a proofing room according to claim 1, characterized in that: The return air main pipe is connected with a third drain pipe.

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