Furnace gas heat recovery control system

Abstract

The utility model provides a furnace gas heat recovery control system, which relates to the technical field of furnace gas heat recovery, and comprises a furnace body and a heat recovery device, the top of the furnace body is provided with a control valve, the top of the control valve is connected with a first connecting pipe, the top of the first connecting pipe is provided with a first temperature and pressure monitoring assembly, and the top of the first connecting pipe is provided with a second temperature and pressure monitoring assembly. And a first conveying pipeline is arranged at the top of the first temperature and pressure monitoring assembly. Particles in furnace gas can be effectively filtered through the metal filter screen, the particles are prevented from influencing real-time monitoring data of a system, the metal filter screen can be pulled out of the filter bin by grabbing and pulling the first pull ring, and then the metal filter screen can be conveniently cleaned or replaced, so that the use is convenient, and the practicability is high. Harmful substances in the furnace gas can be adsorbed and filtered through the activated carbon filter screen, and the harmful substances are prevented from damaging equipment in the system, so that the adjustment and control precision of the system is improved, the service life of each piece of equipment in the system is prolonged, and the actual use requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a furnace gas heat recovery technical field especially relates to a furnace gas heat recovery control system. BACKGROUND

[0002] Furnace gas heat recovery is a kind of technology that recycles the heat in high-temperature furnace gas generated by industrial furnaces and other equipment, and is widely used in various industrial fields such as steel, metallurgy, chemical industry, building materials, etc. It is an important energy-saving technology that can bring significant economic and environmental benefits to enterprises. When designing and applying a furnace gas heat recovery system, appropriate heat recovery methods and equipment need to be selected based on specific process requirements and furnace gas characteristics, and reasonable system design and control need to be carried out.

[0003] The existing furnace gas heat recovery control system usually monitors the pressure and temperature of the furnace gas in the conveying pipeline and adjusts its flow according to real-time demand to meet diversified use requirements. However, the existing furnace gas heat recovery control system cannot control and filter particulate matter and harmful substances in the furnace gas, which may cause damage to the pipeline, monitoring and adjusting equipment, affect the service life of the entire system, and easily affect the adjustment and control accuracy of the system, making it difficult to meet actual use requirements. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem in the prior art that particulate matter and harmful substances in the furnace gas cannot be controlled and filtered, which may cause damage to the pipeline, monitoring and adjusting equipment, affect the service life of the entire system, and easily affect the adjustment and control accuracy of the system, making it difficult to meet actual use requirements, and proposes a furnace gas heat recovery control system.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a furnace gas heat recovery control system, comprising a furnace body and a heat recovery device, a control valve is arranged at the top of the furnace body, a first connecting pipe is connected to the top of the control valve, a first temperature and pressure monitoring assembly is arranged at the top of the first connecting pipe, a first conveying pipeline is arranged at the top of the first temperature and pressure monitoring assembly, an adjusting assembly is connected to one end of the first conveying pipeline, a check valve is arranged at the top of the heat recovery device, a second connecting pipe is arranged at the top of the check valve, a second temperature and pressure monitoring assembly is arranged at the top of the second connecting pipe, a second conveying pipeline is connected to the top of the second temperature and pressure monitoring assembly, a filter bin is connected to one end of the second conveying pipeline, a metal filter screen is inserted into the inside of the filter bin, a first pull ring is arranged at the top of the metal filter screen, an activated carbon filter screen is inserted into the inside of the filter bin, and a second pull ring is arranged at the top of the activated carbon filter screen.

[0006] Preferably, the first temperature and pressure monitoring assembly comprises an inlet pressure sensor, and an inlet temperature sensor is arranged on the top of the inlet pressure sensor.

[0007] The second temperature and pressure monitoring assembly comprises an outlet pressure sensor, and an outlet temperature sensor is arranged on the top of the outlet pressure sensor.

[0008] Preferably, the top of the filter bin is provided with two sealing rings, and the two sealing rings are arranged outside the metal filter screen and the activated carbon filter screen, respectively.

[0009] Preferably, the adjusting assembly comprises a flow regulating valve, one end of the flow regulating valve is connected with a third connecting pipe, and one end of the third connecting pipe is connected with the filter bin.

[0010] Preferably, the bottom of the filter bin is provided with a support frame, and foot pads are symmetrically arranged at the two ends of the bottom of the support frame.

[0011] Preferably, the top of the foot pad is provided with two fastening bolts, and gaskets are arranged outside the fastening bolts.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1、In the utility model, the metal filter screen can effectively filter the particulate matters in the furnace gas, prevent the particulate matters from affecting the real-time monitoring data of the system, the metal filter screen can be pulled out from the filter bin by gripping and pulling the first pull ring, and then the metal filter screen can be conveniently cleaned or replaced, the activated carbon filter screen can adsorb and filter the harmful substances in the furnace gas, prevent the harmful substances from damaging the equipment in the system, and thus the adjusting and control precision of the system is improved, the service life of each equipment in the system is prolonged, and the actual use requirement is met.

[0014] 2、In the utility model, the inlet pressure sensor and the inlet temperature sensor can monitor the furnace gas just discharged from the furnace body, confirm the pressure and temperature values of the furnace gas, the outlet pressure sensor and the outlet temperature sensor can detect the furnace gas entering the heat recovery device, and the pressure and temperature values of the furnace gas are confirmed again, so that the pressure and temperature of the furnace gas are confirmed, the system is conveniently adjusted in a targeted manner, and the safety of the heat recovery process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of a furnace gas heat recovery control system is provided for the utility model;

[0016] Figure 2 A side view of a furnace gas heat recovery control system is provided for the utility model;

[0017] Figure 3 A partial structural cross-sectional view of a furnace gas heat recovery control system is provided for this utility model;

[0018] Figure 4 This invention presents a partial structural schematic diagram of a furnace gas heat recovery control system.

[0019] Legend: 1. Furnace body; 2. Heat recovery device; 3. Filter chamber; 4. Metal filter screen; 5. First pull ring; 6. Activated carbon filter screen; 7. Second pull ring; 8. Control valve; 9. First connecting pipe; 10. First conveying pipe; 11. Check valve; 12. Second connecting pipe; 13. Second conveying pipe; 14. Inlet pressure sensor; 15. Inlet temperature sensor; 16. Outlet pressure sensor; 17. Outlet temperature sensor; 18. Sealing ring; 19. Flow regulating valve; 20. Third connecting pipe; 21. Support frame; 22. Foot pad; 23. Fastening bolt; 24. Gasket. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: As Figures 1-4 As shown, this utility model provides a technical solution: a furnace gas heat recovery control system, including a furnace body 1 and a heat recovery device 2. A control valve 8 is provided on the top of the furnace body 1, and a first connecting pipe 9 is connected to the top of the control valve 8. A first temperature and pressure monitoring component is provided on the top of the first connecting pipe 9, and a first conveying pipe 10 is provided on the top of the first temperature and pressure monitoring component. One end of the first conveying pipe 10 is connected to an adjusting component. A check valve 11 is provided on the top of the heat recovery device 2, and a second connecting pipe 12 is provided on the top of the check valve 11. A second temperature and pressure monitoring component is provided on the top of the second connecting pipe 12, and a second conveying pipe 13 is connected to the top of the second temperature and pressure monitoring component. One end of the second conveying pipe 13 is connected to a filter chamber 3. A metal filter screen 4 is inserted inside the filter chamber 3, and a first pull ring 5 is provided on the top of the metal filter screen 4. An activated carbon filter screen 6 is inserted inside the filter chamber 3, and a second pull ring 7 is provided on the top of the activated carbon filter screen 6.

[0023] In the embodiment, the metal filter screen 4 can effectively filter the particulate matters in the furnace gas, preventing the particulate matters from affecting the real-time monitoring data of the system. By gripping and pulling the first pull ring 5, the metal filter screen 4 can be pulled out of the filter bin 3, thereby facilitating the cleaning or replacement of the metal filter screen 4. The activated carbon filter screen 6 can adsorb and filter the harmful substances in the furnace gas, preventing the harmful substances from damaging the equipment in the system. In this way, the adjustment and control accuracy of the system is improved, the service life of each equipment in the system is prolonged, the actual use requirements are met, and the heat recovery device 2 is mainly a heat exchanger, including various forms such as pipe type, plate type or rotary type. The existing technology known to those skilled in the art is not improved by the present scheme, so the specific working principle is not described in detail.

[0024] Embodiment 2: As shown in Figures 1-4 The first temperature and pressure monitoring assembly includes an inlet pressure sensor 14, and the top of the inlet pressure sensor 14 is provided with an inlet temperature sensor 15. The second temperature and pressure monitoring assembly includes an outlet pressure sensor 16, and the top of the outlet pressure sensor 16 is provided with an outlet temperature sensor 17. The top of the filter bin 3 is provided with two sealing rings 18, and the two sealing rings 18 are respectively arranged on the outer sides of the metal filter screen 4 and the activated carbon filter screen 6. The adjustment assembly includes a flow regulating valve 19, one end of the flow regulating valve 19 is connected with a third connecting pipe 20, one end of the third connecting pipe 20 is connected with the filter bin 3, the bottom of the filter bin 3 is provided with a support frame 21, and the bottom of the support frame 21 is symmetrically provided with two foot pads 22. The top of each foot pad 22 is provided with two fastening bolts 23, and the outer side of each fastening bolt 23 is sleeved with a gasket 24.

[0025] In the embodiment, the inlet pressure sensor 14 and the inlet temperature sensor 15 can monitor the furnace gas just discharged from the furnace body 1, and confirm the pressure and temperature values of the furnace gas. The outlet pressure sensor 16 and the outlet temperature sensor 17 can detect the furnace gas entering the heat recovery device 2, and confirm the pressure and temperature values of the furnace gas again. In this way, the pressure and temperature of the furnace gas are confirmed, the system is conveniently adjusted, the safety of the heat recovery process is improved, the gaps at the connection between the metal filter screen 4 and the activated carbon filter screen 6 and the filter bin 3 are sealed by the sealing rings 18, thereby improving the sealing performance and preventing the loss of furnace gas. The flow regulating valve 19 can adjust and control the flow of the furnace gas, ensuring the stability of the furnace gas during transportation and improving the safety. The support frame 21 and the foot pad 22 can provide stable support for the filter bin 3. The fastening bolts 23 can fix the foot pads 22 to the ground, and the gaskets 24 can increase the friction to prevent the fastening bolts 23 from loosening, thereby further improving the stability.

[0026] The working principle of the embodiment is as follows: in use, first, the control valve 8 is opened, so that the furnace gas discharged from the furnace body 1 enters the control valve 8, then, the pressure and temperature of the furnace gas are monitored in real time through the inlet pressure sensor 14 and the inlet temperature sensor 15, according to the requirement, the flow regulating valve 19 can be adjusted to control the flow of the furnace gas, then, the furnace gas enters the filtering bin 3 through the third connecting pipe 20, the particulate matters in the furnace gas are filtered through the metal filter screen 4, the harmful substances in the furnace gas are adsorbed through the activated carbon filter screen 6, finally, the filtered and purified furnace gas flows to the heat recovery device 2 through the second connecting pipe 12 from the second conveying pipe 13, in the process, the pressure and temperature of the furnace gas are detected again through the outlet pressure sensor 16 and the outlet temperature sensor 17, so that the pressure of the furnace gas is stable and the temperature of the furnace gas is normal, so that the use of the furnace gas heat recovery control system is completed.

[0027] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the technical scheme of the present application.

Claims

1. A furnace gas heat recovery control system comprising a furnace body (1) and a heat recovery device (2), characterized by: The top of the furnace body (1) is provided with a control valve (8), the top of the control valve (8) is connected with a first connecting pipe (9), the top of the first connecting pipe (9) is provided with a first temperature and pressure monitoring assembly, the top of the first temperature and pressure monitoring assembly is provided with a first conveying pipeline (10), one end of the first conveying pipeline (10) is connected with an adjusting assembly, the top of the heat recovery device (2) is provided with a check valve (11), the top of the check valve (11) is provided with a second connecting pipe (12), the top of the second connecting pipe (12) is provided with a second temperature and pressure monitoring assembly, the top of the second temperature and pressure monitoring assembly is connected with a second conveying pipeline (13), one end of the second conveying pipeline (13) is connected with a filter bin (3), the inside of the filter bin (3) is inserted with a metal filter screen (4), the top of the metal filter screen (4) is provided with a first pull ring (5), the inside of the filter bin (3) is inserted with an activated carbon filter screen (6), the top of the activated carbon filter screen (6) is provided with a second pull ring (7).

2. The furnace gas heat recovery control system of claim 1, wherein: The first temperature and pressure monitoring assembly comprises an inlet pressure sensor (14), the top of the inlet pressure sensor (14) is provided with an inlet temperature sensor (15); The second temperature and pressure monitoring assembly comprises an outlet pressure sensor (16), the top of the outlet pressure sensor (16) is provided with an outlet temperature sensor (17).

3. The furnace gas heat recovery control system of claim 1, wherein: The top of the filter bin (3) is provided with two sealing rings (18), and the two sealing rings (18) are arranged outside the metal filter screen (4) and the activated carbon filter screen (6) respectively.

4. The furnace gas heat recovery control system of claim 1, wherein: The adjusting assembly comprises a flow regulating valve (19), one end of the flow regulating valve (19) is connected with a third connecting pipe (20), and one end of the third connecting pipe (20) is connected with the filter bin (3).

5. The furnace gas heat recovery control system of claim 1, wherein: The bottom of the filter bin (3) is provided with a support frame (21), and the bottom of the support frame (21) is symmetrically provided with foot pads (22) at both ends.

6. The furnace gas heat recovery control system of claim 5, wherein: The top of the foot pad (22) is provided with two fastening bolts (23), and the outside of the fastening bolts (23) is sleeved with a gasket (24).

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