Heat blowback coil heater
By designing a heat backblowing coil heater, high temperature control accuracy is achieved using heating rods and temperature-controlled switches. The heating pipes and air conduits ensure the stability and anti-blocking effect inside the heater, solving the problems of large volume, differential insulation and unstable heating of traditional heaters.
Patent Information
- Application Number
- CN202420771184.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-15
AI Technical Summary
The traditional heaters in existing flue gas detection and analysis equipment have problems such as large volume, poor insulation effect, unstable heating effect and extensive appearance, making it difficult to effectively heat the backblowing air to reduce the temperature difference with high-temperature flue gas.
A thermal backflush coil heater is designed, including a fixed base, a protective shell, a temperature-controlled switch, a heating tube and a cast aluminum heating ring, which is heated by a heating rod, and the temperature and airflow are adjusted using a temperature-controlled switch and a gas pipe to improve the temperature control accuracy and stability.
The heating effect with high temperature control accuracy is achieved, the internal temperature can be adjusted for different working conditions, and the internal structure is prevented by timed purge, which improves the stability and anti-blocking effect of the heater.
Smart Images
Figure CN222691881U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heaters, in particular to a hot back-blowing coil heater. Background Art
[0002] In flue gas detection and analysis equipment, a back-blowing device is often provided. The purpose of this device is to remove dust, impurities, particles, etc. from the flue gas on the filter and eliminate blockage on the filter surface. In order to avoid or reduce the temperature difference between the high-temperature flue gas being measured and the back-blowing gas, and to obtain better anti-blocking and anti-crystallization effects, the back-blowing gas needs to be heated. The ideal goal is to raise the temperature of the back-blowing gas to a temperature close to that of the high-temperature flue gas. The smaller the temperature difference, the better the effect. The heaters used in the traditional flue gas sampling process have problems such as large size, poor insulation effect, unstable heating effect, and rough and unsightly appearance. Utility Model Content
[0003] In order to solve some problems existing in the above-mentioned prior art, the utility model provides a hot back-blowing coil heater to solve the deficiencies existing in the prior art.
[0004] To achieve the above-mentioned purpose, the utility model provides a hot backblowing coil heater, including a heater body, the heater body including a fixed base, the fixed base is cooperated with a protective shell, a temperature control switch is arranged inside the protective shell, a temperature control protection cover is arranged at one end of the protective shell, a locking tower buckle is arranged on the outside of the protective shell, a heating tube is arranged inside the protective shell, and a cast aluminum heating ring is arranged at the other end of the protective shell.
[0005] As a further improvement of the utility model, in order to ensure that the heating tube works stably and reliably, the heating tube is provided with several groups and is arranged on both sides of the temperature control switch. Threaded fixing joints are provided at both ends of the heating tube, and the threaded fixing joints are arranged above the heating tube.
[0006] As a further improvement of the utility model, in order to facilitate the discharge of airflow inside the protective shell during heating, the heating tube is provided with an air guide tube, the air guide tube is provided inside the protective shell, the air guide tube is provided in several groups, and the heating tube is provided between the air guide tubes.
[0007] As a further improvement of the present invention, in order to ensure the stability of the heating pipe, a heat pipe connecting line is connected to the heating pipe outside the protective shell, and the other end of the heat pipe connecting line is connected to the temperature control protection cover.
[0008] As a further improvement of the present invention, in order to improve the temperature control effect of the temperature control switch on the inside of the protective shell, the temperature control switch is provided with a heating rod, and the heating rod is extended to the middle section of the protective shell.
[0009] As a further improvement of the present invention, in order to ensure the temperature inside the protective shell is stable, the air guide pipe is spirally arranged inside the protective shell.
[0010] When the utility model is working, the heater body includes a fixed base, which is cooperated with a protective shell, a temperature control switch is arranged inside the protective shell, a temperature control protection cover is arranged at one end of the protective shell, a locking tower buckle is arranged outside the protective shell, a heating tube is arranged inside the protective shell, a cast aluminum heating ring is arranged at the other end of the protective shell, several groups of heating tubes are arranged and arranged on both sides of the temperature control switch, threaded fixing joints are arranged at both ends of the heating tubes, the threaded fixing joints are arranged above the heating tubes, the heating tubes are cooperated with air guide tubes, the air guide tubes are arranged on both sides of the interior of the protective shell, several groups of air guide tubes are arranged, the heating tubes are arranged between the air guide tubes, the temperature control switch is cooperated with a heating rod, and the heating rod is extended to the middle section of the protective shell.
[0011] The beneficial effect of the utility model is that the utility model provides a hot backblowing coil heater, which is heated by a heating rod inside a protective shell, and the internal temperature is adjusted by a temperature control switch. The temperature control accuracy is high, and the internal temperature of the protective shell can be regularly purged through an air duct according to different working conditions, thereby improving the stability of the interior of the heater and avoiding blockage of the internal structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings:
[0013] Figure 1 It is a structural diagram of the utility model.
[0014] Figure 2 This is a bottom structure diagram of the utility model.
[0015] Figure 3 It is a side sectional view of the utility model.
[0016] Figure 4 It is a front view structural diagram of the utility model.
[0017] Among them, 1 fixed base, 2 protective shell, 3 temperature control switch, 4 temperature control protection cover, 5 locking tower buckle, 6 heating tube, 7 cast aluminum heating ring, 8 threaded fixed joint, 9 air guide tube, 10 heat pipe connecting line, 11 heating rod. DETAILED DESCRIPTION
[0018] In order to enable those skilled in the art to better understand the technical solution in this application, Figure 1-4The present invention is further described in the following embodiments, which are only used to more clearly illustrate the technical solution of the present invention and are not intended to limit the protection scope of the present invention.
[0019] like Figure 1-4 A hot back-blowing coil heater shown includes a heater body, which includes a fixed base 1, and the fixed base 1 is cooperated with a protective shell 2. A temperature control switch 3 is arranged inside the protective shell 2, a temperature control protection cover 4 is arranged at one end of the protective shell 2, a locking tower buckle 5 is arranged outside the protective shell 2, a heating tube 6 is arranged inside the protective shell 2, and a cast aluminum heating ring 7 is arranged at the other end of the protective shell 2.
[0020] The heating tubes 6 are provided in several groups and are arranged on both sides of the temperature control switch 3 . Both ends of the heating tubes 6 are provided with threaded fixing joints 8 , and the threaded fixing joints 8 are arranged above the heating tubes 6 .
[0021] The heating tube 6 is provided with an air guide tube 9 , which is provided on both sides of the interior of the protective shell 2 . The air guide tube 9 is provided in a plurality of groups, and the heating tube 6 is provided between the air guide tubes 9 .
[0022] The heating pipe 6 is connected with a heat pipe connecting line 10 outside the protective shell 2 , and the other end of the heat pipe connecting line 10 is connected with the temperature control protective cover 4 .
[0023] The temperature control switch 3 is provided with a heating rod 11 , and the heating rod 11 extends to the middle section of the protective shell 2 .
[0024] The air guide tube 9 is spirally arranged inside the protective shell 2 .
[0025] When the utility model is working, the heater body includes a fixed base 1, the fixed base 1 is equipped with a protective shell 2, a temperature control switch 3 is arranged inside the protective shell 2, a temperature control protective cover 4 is arranged at one end of the protective shell 2, a locking tower buckle 5 is arranged outside the protective shell 2, a heating tube 6 is arranged inside the protective shell 2, a cast aluminum heating ring 7 is arranged at the other end of the protective shell 2, the heating tube 6 is provided with several groups, and is arranged on both sides of the temperature control switch 3, threaded fixing joints 8 are arranged at both ends of the heating tube 6, and the threaded fixing joints 8 are arranged above the heating tube 6, and the heating tube 6 is equipped with an air guide pipe 9, which guides the air guide pipe 9. The air pipe 9 is arranged on both sides of the interior of the protective shell 2, and several groups of air pipes 9 are arranged. The heating pipe 6 is arranged between the air pipes 9. The temperature control switch 3 is equipped with a heating rod 11, and the heating rod 11 extends to the middle section of the protective shell 2. The hot backblowing suction cup heater is heated by the heating rod 11 inside the protective shell 2. The heated gas is transported through the air pipe 9, and the internal temperature is adjusted by the temperature control switch 3. The temperature control accuracy is high, and the internal temperature of the protective shell 2 can be purged regularly through the air pipe 9 according to different working conditions, thereby improving the stability of the heater and avoiding blockage of the internal structure.
[0026] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.
Claims
1. A hot backflush coil heater, comprising a heater body, characterized in that: The heater body comprises a fixed base (1), the fixed base (1) is provided with a protective shell (2), a temperature control switch (3) is provided inside the protective shell (2), a temperature control protective cover (4) is provided at one end of the protective shell (2), a locking buckle (5) is provided outside the protective shell (2), a heating tube (6) is provided inside the protective shell (2), and a cast aluminum heating ring (7) is provided at the other end of the protective shell (2).
2. A hot backflush coil heater according to claim 1, characterized in that: The heating tubes (6) are provided in a plurality of groups and are arranged on both sides of the temperature control switch (3); threaded fixing joints (8) are provided at both ends of the heating tubes (6); and the threaded fixing joints (8) are arranged above the heating tubes (6).
3. The hot backflush coil heater according to claim 1, characterized in that: The heating tube (6) is provided in cooperation with an air guide tube (9), the air guide tube (9) being arranged inside the protective shell (2), the air guide tube (9) being provided in a plurality of groups, and the heating tube (6) being arranged between the air guide tubes (9).
4. The hot backflush coil heater according to claim 1, characterized in that: The heating pipe (6) is connected to a heat pipe connecting line (10) outside the protective shell (2), and the other end of the heat pipe connecting line (10) is connected to the temperature control protective cover (4).
5. The hot backflush coil heater according to claim 1, characterized in that: The temperature control switch (3) is provided in combination with a heating rod (11), and the heating rod (11) is extended to the middle section of the protective housing (2).
6. The hot backflush coil heater according to claim 3, characterized in that: The air guide tube (9) is arranged in a spiral shape inside the protective shell (2).