Constant-temperature water circulation system

Abstract

The utility model discloses a constant-temperature water circulation system, belongs to the field of water circulation equipment, and solves the problems that in the prior art, the energy consumption is large, and the temperature control stability is insufficient to a certain extent. A heat exchange water outlet end of a heat exchanger is connected with a water tank body through a water pipe; the interior of the water tank body is divided into a constant-temperature water tank and a water mixing water tank through a partition plate, and the constant-temperature water tank and the water mixing water tank are isolated. The scalding pool is connected with a hot water supply pipeline communicated with the interior of the scalding pool; the lower section in the constant-temperature water tank is communicated with a hot water supply pipeline through a water pipe; and a circulating water return pipeline is arranged between the upper section in the water mixing tank and the hot water supply pipeline of the scalding pool. The constant-temperature water circulation system is simple in structure, preheating of a slaughter system can be recycled, heat compensation is carried out on the scalding pool after heat exchange, the energy recycling rate is high, and good temperature control stability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a constant temperature water circulation system belongs to water circulation equipment field. BACKGROUND

[0002] In poultry meat processing, need to use the scalding pool to the poultry after slaughtering, bloodletting to carry out scalding processing, and through the dehairing machine to pull out the feather on it. The hot water in the scalding pool needs to maintain a certain liquid level and a certain temperature. In the production process, the water level of the scalding pool requires to maintain relatively stable, and the water temperature also requires relatively constant, so as to realize sufficient and uniform scalding. In the production process, the heat supplement of the scalding pool is large, and the water quantity taken away by the product is relatively small, and accordingly the water quantity required to be supplemented is also relatively small.

[0003] In the prior art, the water in the scalding pool is mainly supplemented by water vapor, and the heat supplement steam of the scalding pool is mainly provided by the steam generator. This kind of mode is widely applied, but the energy consumption is large, and the temperature control stability also has certain deficiency. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a constant temperature water circulation system, simple structure can recycle the preheating of the slaughtering system and carry out heat compensation to the scalding pool, the energy recycling rate is high, and has good temperature control stability.

[0005] The utility model adopts the technical scheme of a constant temperature water circulation system, which comprises a heat exchanger and a water tank body.

[0006] The constant temperature water circulation system of the application further comprises a scalding pool.

[0007] The inside of the water tank body is divided into a constant temperature water tank and a mixed water tank by a partition plate, and the constant temperature water tank and the mixed water tank are isolated.

[0008] The scalding pool is connected with a hot water supply pipeline in communication with the inside of the scalding pool.

[0009] The inside upper section of the mixed water tank and the hot water supply pipeline of the scalding pool have a circulating backwater pipeline.

[0010] The middle section of the flow guide pipe has a flow guide pump.

[0011] The circulating backwater pipeline has a water collecting pool and a filter in the middle section.

[0012] The water in the scalding pool is sequentially guided into the mixed water tank through the collecting pool and the filter.

[0013] The optimized constant-temperature water circulation system further comprises a three-way proportional valve; the heat exchanger is a wide-channel plate heat exchanger; the heat exchanger has a heat source water inlet end and a heat source water outlet end, and the heat source water inlet end and the heat source water outlet end are respectively connected with a heat source pipeline;

[0014] One of the heat source pipelines is connected with the inlet end of the three-way proportional valve, and the two outlet ends of the three-way proportional valve are respectively communicated with the heat source water inlet end and the heat source water outlet end.

[0015] The optimized constant-temperature water circulation system is further provided with a TH temperature sensor in the middle and lower section of the mixed water tank, and the signal output end of the TH temperature sensor is electrically connected with the signal input end of the three-way proportional valve.

[0016] The optimized constant-temperature water circulation system is further provided with a heat exchange water inlet end and a heat exchange water outlet end of the heat exchanger, the lower section of the constant-temperature water tank and the mixed water tank is communicated with the heat exchange water inlet end and water is guided into the heat exchanger through the water pump I, and the heat exchange water outlet end of the heat exchanger is communicated with the upper section of the constant-temperature water tank and the mixed water tank.

[0017] The optimized constant-temperature water circulation system is further provided with a tap water pipeline connected with the mixed water tank, and the tap water pipeline is communicated with the inside of the mixed water tank.

[0018] The technical scheme of the present application has the advantages that the heat source water is heat-exchanged by the heat exchanger, the heat source water can use the boiler cooling waste water and other recycled heat sources, and the energy consumption can be saved to a certain extent. In the present application, the hot water used in the scalding pool is recycled to the mixed water tank, mixed with the heat-exchanged hot water of the heat exchanger, and then guided back to the scalding pool through the constant-temperature water tank. In this way, the resources can be recycled, and the water temperature of the scalding pool can be maintained within a specified range, thereby effectively reducing the energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The accompanying drawings are provided for the structural schematic diagram of the present application. DETAILED DESCRIPTION

[0020] The technical features of the present application will be further described below in combination with the accompanying drawings and specific embodiments.

[0021] As shown in the drawings, the present application is a constant-temperature water circulation system, which comprises a heat exchanger 1 and a water tank body 2.

[0022] In the present application, the heat exchanger 1 can adopt a wide channel plate heat exchanger. The water tank body 2 is a closed upper tank body, and the inside of the water tank body 2 is separated into a constant temperature water tank 201 and a mixed water tank 202 by a partition plate, and the constant temperature water tank 201 and the mixed water tank 202 are mutually isolated.

[0023] The heat source inlet end of the heat exchanger 1 is connected with a heat source pipeline, and the heat exchange outlet end of the heat exchanger 1 is connected with the water tank body 2 through a water pipeline.

[0024] The heat exchanger 1 has two heat exchange inlet ends, and the two heat exchange inlet ends are respectively connected with a heat source pipeline. One of the heat source pipelines is connected with the inlet end of the three-way proportional valve 7, and the two outlet ends of the three-way proportional valve 7 are respectively communicated with the two heat exchange inlet ends of the heat exchanger 1. The inside of the middle and lower segment of the mixed water tank 202 is provided with a TH temperature sensor 203, and the signal output end of the TH temperature sensor 203 is electrically connected with the signal input end of the three-way proportional valve 7.

[0025] The three-way proportional valve 7 is explained as follows:

[0026] When the TH temperature is detected to be close to the set temperature, the three-way proportional valve 7 starts to be started, and gradually closes to the opening degree of the heat exchanger 1, and the adjustment is at a speed of 0.5℃ / min. When the TH temperature sensor 203 detects that the temperature is far away from the set temperature (2℃), the three-way proportional valve 7 gradually opens to the opening degree of the plate heat exchanger.

[0027] The ironing pool 3 is connected with a hot water supply pipeline 301 which is communicated with the inside of the ironing pool 3. The lower segment of the inside of the constant temperature water tank 201 is communicated with the hot water supply pipeline 301 through an ironing pool water supply pipeline one 2011. The middle segment of the ironing pool water supply pipeline one 2011 is provided with a water pump Pd, and the water pump Pd supplies the hot water in the constant temperature water tank 201 to the ironing pool 3.

[0028] The inside of the upper segment of the mixed water tank 202 and the hot water supply pipeline 301 of the ironing pool 3 are provided with a circulating backwater pipeline 302. The middle segment of the circulating backwater pipeline 302 is provided with a water collecting pool 5 and a filter machine 6, and the water in the ironing pool 3 enters the mixed water tank 202 in sequence through the water collecting pool 5 and the filter machine 6. The middle segment of the circulating backwater pipeline 302 is provided with a water pump Pb, and the water pump Pb guides the water in the ironing pool 3 into the mixed water tank 202.

[0029] The constant temperature water tank 201 and the mixed water tank 202 are provided with a flow guide pipe 4, one end of the flow guide pipe 4 is communicated with the inside of the upper segment of the constant temperature water tank 201, and the other end of the flow guide pipe 4 is communicated with the inside of the lower segment of the mixed water tank 202. The middle segment of the flow guide pipe 4 is provided with a flow guide pump. The flow guide pump guides the mixed hot water in the mixed water tank 202 into the constant temperature water tank 201.

[0030] The heat exchanger 1 has a heat exchange inlet end and a heat exchange outlet end. The inner lower section of the constant temperature water tank 201 and the mixing water tank 202 is communicated with the heat exchange inlet end and water is guided into the heat exchanger 1 through the water pump Pc. The heat exchange outlet end of the heat exchanger 1 is communicated with the inner upper section of the constant temperature water tank 201 and the mixing water tank 202.

[0031] The mixing water tank 202 is connected with a tap water pipeline 205 which is communicated with the inner section of the mixing water tank 202.

[0032] In the application, the selection of the water pumps Pa, Pb, Pc and Pd can use the following examples:

[0033] The water pump Pa can be selected as a water pump with a lift of 15 m, a flow of 50 m3 / h and a power of 5.0Kw.

[0034] The water pumps Pb, Pc and Pd can be selected as a water pump with a lift of 20 m, a flow of 80 m3 / h and a power of 7.5Kw.

[0035] The filter 6 is provided with a high water level control detection sensor and a low water level control detection sensor. The mixing water tank 202 is provided with a high water level control detection sensor and a low water level control detection sensor. The constant temperature water tank 201 is provided with a high water level control detection sensor and a low water level control detection sensor. The water collecting pool 5 is provided with a high water level control detection sensor and a low water level control detection sensor. The constant temperature water tank 201 is provided with a temperature control sensor.

[0036] In the application, the operation mode of the water pumps Pa, Pb, Pc and Pd is as follows:

[0037] The water pump Pa is started and stopped as follows:

[0038] When the high water level control detection sensor of the filter 6 does not act or the low water level control detection sensor of the water collecting pool 5 does not act, the water pump Pa is started. When the high water level control detection sensor of the filter 6 acts or the low water level control detection sensor of the water collecting pool 5 acts, the water pump Pa is not started.

[0039] The water pump Pb is started and stopped as follows:

[0040] When the low water level control detection sensor of the filter 6 does not act or the high water level control detection sensor of the mixing water tank 202 does not act, the water pump Pb is started. When the low water level control detection sensor of the filter 6 acts or the high water level control detection sensor of the mixing water tank 202 acts, the water pump Pb is not started.

[0041] The high and low water level control is in the raw water pump control box

[0042] The water pump Pc is started and stopped as follows:

[0043] The water pump Pc is started when the low water level control detection sensor of the mixing water tank 202 and the constant temperature water tank 201 is not actuated. The water pump Pc is not started when the low water level control detection sensor of the mixing water tank 202 and the constant temperature water tank 201 or the high water level control detection sensor of the mixing water tank 202 is actuated.

[0044] The water pump Pd is started when the low water level control detection sensor of the constant temperature water tank 201 is not actuated or the temperature control sensor of the constant temperature water tank 201 is not actuated. The water pump Pd is not started when the low water level control detection sensor of the constant temperature water tank 201 is actuated or the temperature control sensor of the constant temperature water tank 201 is actuated. The temperature of the temperature control sensor of the constant temperature water tank 201 can be set to 60-80 DEG C.

[0045] The water tank inlet and outlet valve usage instruction is as follows: the first use, close D2 / D3, through the mixing water tank 202, the water pump Pc is used to fill the constant temperature water tank 201 with water, open D2, close D4. Open the heat exchange, heat the constant temperature water tank 201 to the required temperature. Open D3 / D4 valve, close D1 / D2 valve, heat the mixing water tank 202, and attention is paid to the fact that the water level of the mixing water tank cannot exceed 1 / 2 of the water level of the water tank.

[0046] The water pump Pd is started when the low water level control detection sensor of the constant temperature water tank 201 is not actuated or the temperature control sensor of the constant temperature water tank 201 is not actuated. The water pump Pd is not started when the low water level control detection sensor of the constant temperature water tank 201 is actuated or the temperature control sensor of the constant temperature water tank 201 is actuated. The temperature of the temperature control sensor of the constant temperature water tank 201 can be set to 60-80 DEG C.

[0047] The water pump Pd is started when the low water level control detection sensor of the constant temperature water tank 201 is not actuated or the temperature control sensor of the constant temperature water tank 201 is not actuated. The water pump Pd is not started when the low water level control detection sensor of the constant temperature water tank 201 is actuated or the temperature control sensor of the constant temperature water tank 201 is actuated. The temperature of the temperature control sensor of the constant temperature water tank 201 can be set to 60-80 DEG C.

[0048] The water pump Pd is started when the low water level control detection sensor of the constant temperature water tank 201 is not actuated or the temperature control sensor of the constant temperature water tank 201 is not actuated. The water pump Pd is not started when the low water level control detection sensor of the constant temperature water tank 201 is actuated or the temperature control sensor of the constant temperature water tank 201 is actuated. The temperature of the temperature control sensor of the constant temperature water tank 201 can be set to 60-80 DEG C.

[0049] Of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or replacements made by ordinary skilled in the art within the essential scope of the utility model shall belong to the protection scope of the utility model.

Claims

1. A constant temperature water circulation system, comprising a heat exchanger (1) and a water tank body (2); the heat source water inlet end of the heat exchanger (1) is connected with a heat source pipeline, and the heat exchange water outlet end of the heat exchanger (1) is connected with the water tank body (2) through a water pipeline; characterized in that: The tank (3) is further provided; The water tank (2) is divided into a constant temperature water tank (201) and a mixed water tank (202) by a partition plate, and the constant temperature water tank (201) and the mixed water tank (202) are isolated from each other; The tank (3) is connected with a hot water supply pipeline (301) in communication with the inside of the tank (3); the lower section of the inside of the constant temperature water tank (201) is in communication with the hot water supply pipeline (301) through a water pipe; The upper section of the inside of the mixed water tank (202) is provided with a circulating backwater pipeline (302) in communication with the hot water supply pipeline (301) of the tank (3).

2. The constant temperature water circulation system of claim 1, wherein: The constant temperature water tank (201) and the mixed water tank (202) are provided with a flow guide pipe (4) in communication with the upper section of the inside of the constant temperature water tank (201) at one end and the lower section of the inside of the mixed water tank (202) at the other end; The flow guide pipe (4) is provided with a flow guide pump in the middle section.

3. The constant temperature water circulation system of claim 1, wherein: The circulating backwater pipeline (302) is provided with a water collecting tank (5) and a filter (6) in the middle section; The water in the tank (3) is sequentially introduced into the mixed water tank (202) through the water collecting tank (5) and the filter (6).

4. The constant temperature water circulation system of claim 1, wherein: The heat exchanger (1) is a wide channel plate heat exchanger; the heat exchanger (1) is provided with a heat source water inlet end and a heat source water outlet end, and the heat source water inlet end and the heat source water outlet end are respectively connected with a heat source pipeline; One of the heat source pipelines is connected with the inlet end of the three-way proportional valve (7), and the two outlet ends of the three-way proportional valve (7) are respectively in communication with the heat source water inlet end and the heat source water outlet end.

5. The constant temperature water circulation system of claim 4, wherein: The middle and lower section of the inside of the mixed water tank (202) is provided with a TH temperature sensor (203), and the signal output end of the TH temperature sensor (203) is electrically connected with the signal input end of the three-way proportional valve (7).

6. The constant temperature water circulation system of claim 4, wherein: The heat exchanger (1) is provided with a heat exchange water inlet end and a heat exchange water outlet end; the lower section of the inside of the constant temperature water tank (201) and the mixed water tank (202) is in communication with the heat exchange water inlet end, and the water is introduced into the heat exchanger (1) through a water pump (Pc); the heat exchange water outlet end of the heat exchanger (1) is in communication with the upper section of the inside of the constant temperature water tank (201) and the mixed water tank (202).

7. The constant temperature water circulation system of claim 1, wherein: The mixed water tank (202) is connected with a tap water pipeline (205) in communication with the inside of the mixed water tank (202).

Images