CN218349542U

CN218349542U - Device for analyzing dust accumulated on surface of heat pipe exchanger on line

Info

Publication number: CN218349542U
Application number: CN202222628746.XU
Authority: CN
Inventors: 焦海东; 段辉建; 郑峰; 李常平; 郝士勇; 李小刚; 高志新; 杜骏
Original assignee: Zhuhai Huayuan Automation Technology Co ltd; Hebei Construction & Investment Group Renqiu Thermoelectricity Co ltd
Current assignee: Zhuhai Huayuan Automation Technology Co ltd; Hebei Construction & Investment Group Renqiu Thermoelectricity Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-20
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to a device of online analysis heat pipe exchanger heat pipe surface deposition for among the heat pipe exchanger heat transfer system, which comprises a controller, the controller includes microprocessor and display screen, and the flue entry of high temperature flue is equipped with stove cigarette entry flow sensor, stove cigarette entry temperature sensor and stove cigarette entry pressure sensor, and the flue export of high temperature flue is equipped with stove cigarette export flow sensor, stove cigarette export temperature sensor and stove cigarette export pressure sensor, and each sensor all is connected with microprocessor. The utility model discloses can realize carrying out real-time on-line monitoring to heat pipe exchanger's deposition condition, have the beneficial effect that the real-time is high, the detection data prepares.

Description

Device for analyzing dust deposited on surface of heat pipe exchanger on line

Technical Field

The utility model relates to a waste heat recovery technical field especially relates to a device of heat pipe indirect heating equipment work and equipment state, specifically indicates a device of online analysis heat pipe exchanger heat pipe surface deposition.

Background

At present, various coal-fired units, metallurgical chemical industry equipment generally produce a large amount of afterbody high temperature high enthalpy value flue gas, it keeps apart to adopt a high negative pressure axial heat transfer conductor (heat pipe) heat exchanger to realize heat absorption side and heat release side, the heat pipe is an independent operation's high vacuum heat-transfer pipe, the heat absorption end inserts in the flue gas, heat release end is located the cooling water tank, rely on inside evaporation medium, through phase transition heat transfer, the heat pipe absorbs the heat from the high temperature flue gas, gasification inside medium, the inside steam of heat pipe is cooled down the condensation and is released heat by the low temperature circulating water in the water tank, the cold junction and the hot junction of heat pipe pass through the water tank bottom and keep apart.

However, dust and corrosive gas usually exist in high-temperature fluid, the dust can be attached to the surface of the heat pipe on the smoke side to affect the heat exchange efficiency, the corrosive gas can corrode the bottoms of the heat pipe and the water tank to cause leakage, the corrosive gas corrodes the pipe wall of the heat pipe, the heat exchange pipe fails due to penetration, the heat exchange efficiency is reduced, the corrosive gas corrodes the bottom of the water tank to cause the heat exchange system to work abnormally, and secondary disasters are caused due to liquid leakage to smoke.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's is not enough, provides one kind and can carry out real-time on-line measuring so that in time take measures to ensure heat transfer system's normal high-efficient work to the heat pipe deposition condition among the heat pipe exchanger.

The utility model discloses a through following technical scheme realization, provide a device of online analysis heat pipe exchanger heat pipe surface deposition for among the heat pipe exchanger heat transfer system, heat pipe exchanger heat transfer system including the heat exchange tube that has heat transfer medium, the heat absorption end of heat exchange tube and exothermic end arrange high temperature flue and heat absorption water tank in respectively, high temperature flue and heat absorption water tank in be high temperature flue and the cooling water that the flow direction is opposite respectively, still include the controller, the controller include microprocessor and display screen, high temperature flue's flue entry be equipped with stove cigarette entry flow sensor, stove cigarette entry temperature sensor and stove cigarette entry pressure sensor, high temperature flue's flue export be equipped with stove cigarette export flow sensor, stove cigarette export temperature sensor and stove cigarette export pressure sensor, stove cigarette entry flow sensor, stove cigarette entry pressure sensor, stove cigarette export flow sensor, stove cigarette export temperature sensor and stove cigarette export pressure sensor all be connected with microprocessor.

After the scheme above the adoption, the utility model discloses the stove cigarette pressure after utilizing stove cigarette inlet pressure sensor and the stove cigarette export pressure sensor that sets up in high temperature flue to detect the stove cigarette and getting into the flue before and through the flue, can calculate the stove cigarette pressure differential of stove cigarette after through the flue, because stove cigarette pressure differential is linear proportional relation with heat pipe exchanger's deposition degree, can realize the on-line monitoring to heat pipe exchanger deposition degree through the change of on-line monitoring stove cigarette pressure differential, additionally, as supplementary monitoring means, the stove cigarette inlet flow sensor and the stove cigarette export flow sensor that this technical scheme set up can monitor through flue stove cigarette flow, when the deposition increases, the stove cigarette flow through the flue also can corresponding reduction, and the deposition condition of heat exchange tube in the flue can also be assisted through the flue gas temperature difference diminishing condition to passing through the flue to the stove cigarette inlet temperature sensor and the stove cigarette export temperature sensor that set up. Therefore the utility model discloses can realize the on-line monitoring to the heat transfer pipe deposition degree and increase and assist the evidence detection means, have and detect accurate, real-time advantage, can be timely carry out real-time on-line monitoring to the deposition condition of heat transfer pipe to can in time take measures and ensure heat transfer system's normal high-efficient work when the deposition is too much.

Preferably, the controller is further provided with a wireless communication module for data communication with a remote cloud platform or a server side. According to the optimal scheme, the wireless communication module arranged on the controller can be utilized to send the online detection data to the cloud platform or the server end in real time or at regular time, so that remote management of the data is facilitated.

Preferably, the flue gas inlet pressure sensor and the flue gas outlet pressure sensor are respectively installed at the positions close to the outermost heat pipes at the flue inlet and the flue outlet. This preferred scheme can more accurately detect the pressure variation of stove cigarette through the heat exchange tube front and back in the flue with pressure sensor, and it is more accurate to detect data.

Preferably, the flue gas inlet pressure sensor and the flue gas outlet pressure sensor are arranged at the same height of the flue inlet and the flue outlet and form a group. This preferred scheme sets up pressure sensor in the same high position of flue, and it is more accurate reliable to detect data.

Preferably, at least two groups of the furnace smoke inlet pressure sensor and the furnace smoke outlet pressure sensor are arranged. This preferred scheme sets up two sets of or more multiunit pressure sensor and detects the heat pipe exchanger front and back pressure of stove cigarette in through the flue, can obtain more detected data, and the testing result is more even accurate, can discover more data of heat pipe exchanger deposition condition.

To sum up, the utility model discloses a pressure to the flue gas behind getting into the flue through heat pipe exchanger front and back detects to judge heat pipe exchanger's deposition condition, the while monitoring passes through heat pipe exchanger stove smoke flow change and the difference in temperature changes and is used for assisting the certificate, the utility model discloses can realize carrying out real-time on-line monitoring to heat pipe exchanger's deposition condition, have the real-time high, detect the accurate beneficial effect of data.

The beneficial effects of (1).

Drawings

FIG. 1 is a schematic structural diagram of a device for online analysis of dust deposited on the surface of a heat pipe exchanger according to the present invention;

shown in the figure:

1. the heat exchange tube, 1.1, the heat absorption end, 1.2, exothermic end, 2, high temperature flue, 3, the heat absorption water tank, 4, the controller, 4.1, microprocessor, 4.2, the display screen, 4.3, wireless communication module, 5, stove cigarette entry flow sensor, 6, stove cigarette entry temperature sensor, 7, stove cigarette entry pressure sensor, 8, stove cigarette export flow sensor, 9, stove cigarette export temperature sensor, 10, stove cigarette export pressure sensor.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is further illustrated by the following embodiments in combination with the accompanying drawings.

As shown in fig. 1, a device for online analysis of dust deposited on the surface of a heat pipe exchanger is provided, and is used in a heat exchange system of the heat pipe exchanger, the heat exchange system of the heat pipe exchanger comprises a heat exchange pipe 1 with a heat exchange medium therein, a heat absorption end 1.1 and a heat release end 1.2 of the heat exchange pipe 1 are respectively arranged in a high temperature flue 2 and a heat absorption water tank 3, the high temperature flue 2 and the heat absorption water tank 3 are respectively filled with high temperature flue gas and cooling water in opposite flow directions, the device further comprises a controller 4, the controller 4 comprises a microprocessor 4.1 and a display screen 4.2, a flue inlet of the high temperature flue 2 is provided with a furnace smoke inlet flow sensor 5, a furnace smoke inlet temperature sensor 6 and a furnace smoke inlet pressure sensor 7, a furnace smoke outlet flow sensor 8, a furnace smoke outlet temperature sensor 9 and a furnace smoke outlet pressure sensor 10, and the furnace smoke inlet flow sensor 5, the furnace smoke inlet temperature sensor 6, the furnace smoke inlet pressure sensor 7, the furnace smoke outlet flow sensor 8, the furnace smoke outlet temperature sensor 9 and the furnace smoke pressure sensor 10 are all connected with the microprocessor 4.1.

In this embodiment, the controller 4 is further provided with a wireless communication module 4.3 for communicating with a remote cloud platform or a server, the furnace smoke inlet pressure sensor 7 and the furnace smoke outlet pressure sensor 10 are respectively installed at positions, close to the outermost heat pipes, of the flue inlet and the flue outlet, the furnace smoke inlet pressure sensor 7 and the furnace smoke outlet pressure sensor 10 are installed at the same height of the flue inlet and the flue outlet and form one group and are provided with at least two groups.

Finally, it should be further noted that the above examples and illustrations are not limited to the above embodiments, and technical features of the present invention that are not described in the present application can be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should not depart from the spirit of the present invention, and shall also belong to the protection scope of the claims of the present invention.

Claims

1. The utility model provides a device of online analysis heat pipe heat exchanger heat pipe surface deposition for among the heat pipe heat exchanger heat transfer system, heat pipe heat exchanger heat transfer system including heat exchange tube (1) that has heat transfer medium in, heat absorption end (1.1) and exothermic end (1.2) of heat exchange tube (1) arrange high temperature flue (2) and heat absorption water tank (3) respectively in, high temperature flue (2) and heat absorption water tank (3) in be high temperature flue gas and cooling water opposite in flow direction respectively, its characterized in that still includes controller (4), controller (4) including microprocessor (4.1) and display screen (4.2), the flue entry of high temperature flue (2) be equipped with stove cigarette entry flow sensor (5), stove cigarette entry temperature sensor (6) and stove cigarette entry pressure sensor (7), the flue exit of high temperature flue (2) be equipped with stove cigarette exit flow sensor (8), stove cigarette exit temperature sensor (9) and stove cigarette exit pressure sensor (10), stove cigarette entry temperature sensor (5), stove cigarette entry temperature sensor (6), stove cigarette exit pressure sensor (7) and stove cigarette exit pressure sensor (8) and microprocessor (4.2) are connected.

2. The device for online analysis of dust on the surface of the heat pipe exchanger as claimed in claim 1, wherein the controller (4) is further provided with a wireless communication module (4.3) for data communication with a remote cloud platform or a server.

3. The device for on-line analysis of ash on the surface of the heat pipe exchanger according to claim 1, wherein the furnace smoke inlet pressure sensor (7) and the furnace smoke outlet pressure sensor (10) are respectively installed at the position of the flue inlet and the flue outlet close to the outermost heat pipe.

4. The device for on-line analysis of ash on the surface of a heat pipe exchanger according to claim 1, wherein the furnace smoke inlet pressure sensor (7) and the furnace smoke outlet pressure sensor (10) are installed at the same height of the flue inlet and the flue outlet and form a group.

5. The device for on-line analysis of ash on the surface of the heat pipe exchanger according to claim 1, wherein at least two groups of the furnace smoke inlet pressure sensor (7) and the furnace smoke outlet pressure sensor (10) are provided.