Cooling mechanism of humidifying tower

Abstract

The utility model discloses a humidifying tower cooling mechanism which comprises a humidifying tower, a temperature sensor, a spray pump station, a water tank, a spray head and an electric control cabinet, the temperature sensor is arranged at an outlet of the humidifying tower, the spray head is arranged inside the humidifying tower, the water tank is connected with the spray head through a pipeline, and the spray pump station is connected with the water tank and the pipeline. And the humidifying tower, the temperature sensor and the spray pump station are all electrically connected with the electric control cabinet. A temperature sensor is used as a detection element to detect a temperature signal from an outlet of a humidifying tower, and the detection signal enters an electric control cabinet to perform frequency conversion automatic speed regulation on the rotating speed of a water pump motor of a spray pump station, so that the dust content of flue gas entering electric dust removal is controlled in an optimal state, the working efficiency of a kiln tail electric dust remover is fully exerted, and the energy consumption is saved; operation is convenient, stability is good, manpower resources are saved, and meanwhile working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to humidification tower spray technical field, specifically, relate to a humidification tower cooling mechanism. BACKGROUND

[0002] At present, in the cement plant rotary kiln dry production system, the kiln tail exhaust gas treatment system adopts humidification tower spray device to keep the flue gas entering the kiln tail electric dust collector certain humidity to improve the dust collection efficiency of the electric dust collector. In the way of using the spray system, the general production manufacturers use the backflow type humidification tower spray device, and the water return valve water return amount is controlled and adjusted to achieve the purpose of controlling the flue gas temperature and humidity entering the humidification tower. In the running process of this kind of spray system, because high pressure nozzles are used, the power of the water pump motor matched is generally large, but the dynamic adjustment process of temperature and humidity is irrelevant to the running state of the motor, so the motor is long-term operated in the state close to the rated load, causing the waste of energy consumption and increasing the cost.

[0003] For the problems in the related art, no effective solution has been proposed so far. SUMMARY

[0004] In view of the problems in the related art, the utility model provides a humidification tower cooling mechanism to overcome the above technical problems existing in the prior art.

[0005] Therefore, the utility model adopts the specific technical scheme as follows:

[0006] A humidification tower cooling mechanism, comprising a humidification tower, a temperature sensor, a spray pump station, a water tank, a spray head and an electrical control cabinet, the temperature sensor is arranged at the outlet of the humidification tower, the spray head is arranged inside the humidification tower, the water tank is connected with the spray head through a pipeline, the spray pump station is connected with the water tank and the pipeline, and the humidification tower, the temperature sensor and the spray pump station are electrically connected with the electrical control cabinet.

[0007] Preferably, an electromagnetic valve is arranged on the pipeline, and a liquid level sensor is arranged in the water tank.

[0008] Preferably, the humidification tower outlet is provided with two groups of temperature sensors, and signals are sent into the electrical control cabinet for temperature value comparison.

[0009] Preferably, the pipeline is an annular pipeline, the pressure of which is adjusted between -MPa, and the connection between the spray head and the pipeline is sealed by polytetrafluoroethylene raw rubber tape or high-temperature resistant glue.

[0010] Preferably, the distance between the pipeline and the outer wall of the humidification tower is within mm, and a high-pressure filter is arranged on the spray head.

[0011] The beneficial effects of the utility model are that: the temperature sensor is used as a detection element to detect the temperature signal from the humidification tower outlet, the detection signal enters the electrical control cabinet to automatically adjust the rotating speed of the water pump motor of the spray pump station through frequency conversion, so that the dust content of the flue gas entering the electric dust collector is controlled in the best state, the working efficiency of the kiln tail electric dust collector is fully utilized, energy consumption is saved, operation is convenient, stability is good, human resources are saved, and the working efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0013] Fig. 1 It is a structural schematic view of a humidification tower cooling mechanism according to an embodiment of the utility model;

[0014] Fig. 2 It is a top view of a pipeline in a humidification tower cooling mechanism according to an embodiment of the utility model.

[0015] In the drawings:

[0016] 1, humidification tower; 2, temperature sensor; 3, spray pump station; 4, water tank; 5, spray head; 6, electrical control cabinet; 7, pipeline; 8, electromagnetic valve. DETAILED DESCRIPTION

[0017] To further illustrate the embodiments, the utility model provides drawings, these drawings are part of the utility model disclosure, mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operation principle of the embodiment, cooperating with reference to these contents, those skilled in the art should understand other possible embodiments and the advantages of the utility model, the components in the drawings are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0018] According to the embodiment of the utility model, a humidification tower cooling mechanism is provided. EMBODIMENT

[0019] As Figs. 1-2As shown, according to the humidification tower cooling mechanism of the embodiment of the utility model, including humidification tower 1, temperature sensor 2, spray pump station 3, water tank 4, spray head 5 and electrical control cabinet 6, temperature sensor 2 is located at the outlet of humidification tower 1, spray head 5 is provided with humidification tower 1 inside, water tank 4 is connected with spray head 5 through pipeline 7, spray pump station 3 is connected with water tank 4 and pipeline 7, humidification tower 1, temperature sensor 2 and spray pump station 3 are electrically connected with electrical control cabinet 6.

[0020] As shown, Figs. 1-2 Pipeline 7 is provided with electromagnetic valve 8, and water tank 4 is provided with liquid level sensor, and two groups of temperature sensors 2 are arranged at the outlet of the humidification tower, and the signals are sent into the electrical control cabinet 6 to compare the temperature values, and the pipeline 7 is an annular pipe, and the pressure is adjusted between 0.8-2.5MPa, and the connection between the spray head 5 and the pipeline 7 is sealed by using polytetrafluoroethylene raw rubber tape or high-temperature resistant glue, and the distance between the pipeline 7 and the outer wall of the humidification tower 1 is within 100-200mm, and the spray head 5 is provided with a high-pressure filter.

[0021] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail.

[0022] In actual application, the water pump is started, the backwater valve on the buffer is adjusted, the pressure at the pipeline 7 is adjusted to 1.5MPa, the spraying condition is good, when the inlet temperature of the humidification tower 1 is greater than 250℃, the spray heads 5 are inserted into the humidification tower 1 one by one, and the interval time of inserting each spray head 5 must be greater than 20 minutes. During debugging, a person should be in charge of the spiral conveyor at the bottom of the humidification tower to ensure that the bottom is not wet; the pressure on the pipeline 7 can be adjusted between 0.8~2.5MPa, and the ground pressure cannot be less than 1.0MPa. When the entering electric precipitator flue gas temperature is greater than 150℃, the small backwater electromagnetic valve 8 should be closed to increase the water injection amount into the humidification tower 1, otherwise, the large backwater electromagnetic valve 8 is opened to reduce the water injection amount into the humidification tower. After debugging, the backwater electromagnetic valve 8 is closed, the rotation frequency of the water pump motor of the spray pump station 3 is adjusted through the electrical automatic control system to automatically adjust the water injection amount into the humidification tower 1, and the detection signal enters the electrical control cabinet 6 to automatically adjust the rotation speed of the water pump motor of the spray pump station 3, so that the dust content of the flue gas entering the electric precipitator is controlled in the best state.

[0023] In summary, according to the above technical scheme of the utility model, the temperature sensor 2 is used as a detection element to detect the temperature signal from the outlet of the humidification tower 1, the detection signal enters the electrical control cabinet 6 to automatically adjust the rotation speed of the water pump motor of the spray pump station 3, so that the dust content of the flue gas entering the electric precipitator is controlled in the best state, the working efficiency of the kiln tail electric precipitator is fully utilized, the energy consumption is saved, the operation is convenient, the stability is good, the human resources are saved, and the working efficiency is greatly improved.

[0024] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cooling mechanism for a humidification tower, comprising: It includes humidification tower (1), temperature sensor (2), spray pump station (3), water tank (4), spray head (5) and electrical control cabinet (6), the temperature sensor (2) is located at the outlet of the humidification tower (1), the spray head (5) is provided with the humidification tower (1) inside, the water tank (4) is connected with the spray head (5) through pipeline (7), the spray pump station (3) is connected with the water tank (4) and the pipeline (7), the humidification tower (1), the temperature sensor (2) and the spray pump station (3) are electrically connected with the electrical control cabinet (6).

2. A humidification tower cooling mechanism according to claim 1, wherein, The pipeline (7) is provided with a solenoid valve (8), and the water tank (4) is provided with a liquid level sensor.

3. The humidification tower cooling mechanism of claim 1, wherein, The humidification tower outlet is provided with two groups of temperature sensors (2), and the signals are sent into the electrical control cabinet (6) for comparing the temperature values.

4. The humidification tower cooling mechanism of claim 1, wherein, The pipeline (7) is a ring-shaped pipe, the pressure is adjusted between 0.8-2.5MPa, the spray head (5) and the pipeline (7) are sealed by using polytetrafluoroethylene raw rubber tape or high-temperature resistant glue.

5. The humidification tower cooling mechanism of claim 1, wherein, The distance between the pipeline (7) and the outer wall of the humidification tower (1) is within 100-200mm, and the spray head (5) is provided with a high-pressure filter.

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