Hot blast stove structure integrated with spark detection module
By integrating a spark detection module into the hot air furnace structure, and using a filter cartridge and spark detector to monitor and prevent spark discharge in real time, the problem of fires caused by sparks in direct-fired hot air furnaces is solved, and filtration efficiency and equipment reliability are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TONGLING MEITIAN NEW ENERGY TECH CO LTD
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-10
AI Technical Summary
Direct-fired hot air ovens can cause sparks to escape from the hot air outlet, leading to the burning of dried products and even fires.
The design integrates a spark detection module, including a filter mechanism and a spark detector inside the hot air duct. The filter cylinder has a conical structure with a bend. The mounting tube is driven to rotate by a motor. Combined with the spark detector, it monitors and filters in real time to prevent sparks and impurities from passing through.
It effectively prevents spark discharge, reduces the risk of combustion and fire in dried products, improves filtration efficiency, reduces the frequency of manual cleaning, and extends equipment life.
Smart Images

Figure CN224108353U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hot -blast stove technical field more specifically, relate to a kind of hot -blast stove structure integrated spark detection module. BACKGROUND
[0002] Direct-fired hot -blast stove is assisted by fuel to burn fully in combustion chamber, directly mixes high-temperature flue gas with fresh air, to obtain hot blast. It is fast in temperature rising speed, can output a large amount of hot blast in short time, and heat efficiency is usually more than 80%, greatly reduces energy consumption. The equipment structure is relatively simple, mainly by combustion chamber, mixing chamber, temperature control system is constituted, not only reduces initial investment, and maintenance is more convenient. In food drying, wood drying, coating curing and other fields, direct-fired hot -blast stove is widely used.
[0003] In agricultural product processing, hot -blast stove is used to provide hot air for drying treatment, and currently direct-fired hot -blast stove will discharge spark from hot air outlet due to some reasons in use, such as internal dust and carbon residue accumulation, dust and carbon accumulation are ignited to form spark under high temperature, and spark is easy to cause drying product combustion, which seriously leads to fire. In view of this, we provide a kind of hot -blast stove structure integrated spark detection module. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the deficiency of prior art, adapting to reality needs, providing a kind of hot -blast stove structure integrated spark detection module to solve the technical problems that current direct-fired hot -blast stove will discharge spark from hot air outlet due to some reasons in use, spark is easy to cause drying product combustion, which seriously leads to fire.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of hot -blast stove structure integrated spark detection module, including hot -blast stove body and the hot -blast stove body rear end setting hot -blast pipe and the filter mechanism being set in hot -blast pipe, the end of hot -blast pipe is provided with variable diameter pipe, the end of variable diameter pipe is provided with rectangular pipe, the outer surface of rectangular pipe is provided with spark detector, the probe of spark detector is located in rectangular pipe, the end of rectangular pipe is provided with variable diameter air outlet pipe, the filter mechanism includes installation pipe being rotatably arranged in hot -blast pipe, the front end of installation pipe is provided with filter cartridge.
[0006] Preferably, the side end of the hot -blast pipe is provided with a maintenance access, and a cover plate is installed at the side end of the hot -blast pipe at the maintenance access.
[0007] Preferably, the outer surface of the installation pipe is provided with a rotating ring, the inner wall of the hot -blast pipe is provided with an annular limiting groove, the rotating ring is located in the annular limiting groove, and the outer surface of the rotating ring is provided with a ball.
[0008] Preferably, the upper end of the hot air pipe is provided with a communication port, and a motor is arranged at the upper end of the hot air pipe, and a friction wheel is arranged at the output shaft end of the motor and located in the communication port and in contact with the outer surface of the mounting pipe.
[0009] Preferably, the rear end of the hot air furnace body is provided with a hot air outlet, and a screw hole is arranged outside the rear end of the hot air furnace body at the hot air outlet, and the hot air pipe is mounted at the hot air outlet of the rear end of the hot air furnace body by bolts and is in communication with the hot air outlet.
[0010] Preferably, the filter cartridge comprises a cartridge portion and a bent portion, the bent portion is formed by several times of bending of the cartridge portion, the cartridge portion is provided in a conical shape, the bent portion is provided in a blade shape, the cross section of the bent portion is V-shaped, and the cartridge portion and the bent portion are both provided with filter holes.
[0011] Compared with the prior art, the hot air furnace has the advantages that:
[0012] 1. The filter cartridge structure is designed, the filter cartridge comprises a cartridge portion and a bent portion, the cartridge portion is provided in a conical shape to increase the filtering area, ensure the air flow speed and improve the filtering efficiency, the bent portion is provided in a blade shape to preliminarily filter the impurity particles before the impurity particles contact the cartridge portion, reduce the filtering burden of the cartridge portion, and the bent portion can also impact, scatter and extinguish sparks, more effectively prevent the sparks and impurities from passing through, effectively reduce the risk of burning of the dried products and the risk of causing a fire due to the sparks discharged from the hot air outlet, and solve the problem that the direct-fired hot air furnace may discharge sparks from the hot air outlet due to some reasons in use, the sparks are easy to cause the dried products to burn, and the problem of a serious fire is caused.
[0013] 2. The mounting pipe structure is designed, the mounting pipe is driven to rotate in the hot air pipe by the motor, so that the filter cartridge can continuously rotate, on the one hand, the surface of the filter cartridge can uniformly receive the hot air washing and impurity adhesion, local excessive blockage is avoided, the stability of the filtering effect is ensured, and on the other hand, the impurities on the surface of the filter cartridge may fall off due to the centrifugal force in the rotating process, a self-cleaning effect is achieved, and the frequency of manual cleaning is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is a rear view structural schematic diagram of the utility model;
[0016] Figure 3 It is a hot air pipe structural schematic diagram of the utility model;
[0017] Figure 4 It is a hot air pipe cover plate dismounting structural schematic diagram of the utility model;
[0018] Figure 5 It is the cover plate structure schematic view of the utility model;
[0019] Figure 6 It is the cross section structure schematic view of the hot air pipe of the utility model;
[0020] Figure 7 It is the filter cartridge structure schematic view of the utility model.
[0021] Mark explanation in drawing: 101, hot blast furnace body;102, hot air pipe;103, reducing pipe;104, rectangular pipe;105, reducing air outlet pipe;106, cover plate;107, motor;108, friction wheel;109, communication port;110, spark detector;200, filter mechanism;201, installation pipe;202, rotating ring;203, ball;204, filter cartridge;2041, barrel part;2042, bending part. DETAILED DESCRIPTION
[0022] As Figures 1 to 7 shown, the utility model relates to a kind of hot blast furnace structure of integrated spark detection module, including hot blast furnace body 101 and the hot air pipe 102 of hot blast furnace body 101 rear end setting and the filter mechanism 200 of setting in hot air pipe 102, the end of hot air pipe 102 is provided with reducing pipe 103, the end of reducing pipe 103 is provided with rectangular pipe 104, the outer surface of rectangular pipe 104 is provided with spark detector 110, the probe of spark detector 110 is located in rectangular pipe 104, the end of rectangular pipe 104 is provided with reducing air outlet pipe 105, filter mechanism 200 includes installation pipe 201 rotationally arranged in hot air pipe 102, the front end of installation pipe 201 is provided with filter cartridge 204.The utility model can filter impurity particles, when spark is generated, it can also impact and scatter, beat spark, more effectively prevent spark and impurity pass, cooperate spark detection, can effectively reduce the risk of drying product combustion and fire caused by spark discharge.
[0023] Specifically, the side end of hot air pipe 102 is provided with maintenance access, the side end of hot air pipe 102 is installed with cover plate 106 at maintenance access, cover plate 106 is arc-shaped arrangement.When the internal components such as filter mechanism 200 need to be maintained, disassemble bolt to open cover plate 106, it is convenient and fast, beneficial to timely cleaning impurities intercepted by filter mechanism 200, guarantee filtering effect, prolong equipment service life, also reduce maintenance cost.
[0024] Further, the outer surface of the mounting pipe 201 is provided with a rotating ring 202, the inner wall of the hot air pipe 102 is provided with an annular limiting groove, the rotating ring 202 is located in the annular limiting groove, and the outer surface of the rotating ring 202 is provided with a ball 203. The rotating ring 202 can be positioned to position the mounting pipe 201, and the ball 203 can reduce the friction between the rotating ring 202 and the hot air pipe 102 when rotating.
[0025] It is worth noting that the upper end of the hot air pipe 102 is provided with a communication port 109, and the upper end of the hot air pipe 102 is provided with a motor 107. The output shaft of the motor 107 is provided with a friction wheel 108, and the lower part of the friction wheel 108 is located in the communication port 109 and in contact with the outer surface of the mounting pipe 201. The motor 107 can make the friction wheel 108 rotate, and the friction wheel 108 can rub the mounting pipe 201, and under the action of friction, the mounting pipe 201 can rotate.
[0026] It is worth mentioning that the rear end of the hot blast furnace body 101 is provided with a hot blast outlet, and the rear end of the hot blast furnace body 101 is provided with a threaded hole outside the hot blast outlet. The hot air pipe 102 is installed on the rear end of the hot blast furnace body 101 through bolts, and the hot air pipe 102 is in communication with the hot blast outlet. The hot air generated by the operation of the hot blast furnace body 101 can flow into the hot air pipe 102 through the hot blast outlet.
[0027] It is worth noting that the filter cylinder 204 includes a cylinder portion 2041 and a bent portion 2042, the bent portion 2042 is composed of several times of bending of the cylinder portion 2041, the cylinder portion 2041 is conical, the bent portion 2042 is in the shape of a blade, the cross section of the bent portion 2042 is V-shaped, and the cylinder portion 2041 and the bent portion 2042 are provided with filter holes. The conical cylinder portion 2041 can increase the filtering area, ensure the air flow speed, and improve the filtering efficiency, the bent portion 2042 is in the shape of a blade, can preliminarily filter the impurity particles before contacting the cylinder portion 2041, reduce the filtering burden of the cylinder portion 2041, and the bent portion 2042 can also impact, scatter and extinguish sparks, more effectively prevent sparks and impurities from passing through.
[0028] Working principle: the embodiment provides a kind of hot blast stove structure of integrated spark detection module, when using, hot blast stove body 101 work generated hot air, into hot blast pipe 102 in hot air outlet, in hot blast pipe 102, hot air first passes through filter mechanism 200, start motor 107, its output shaft drives friction wheel 108 rotation, because friction wheel 108 and the outer surface of mounting pipe 201 contact, mounting pipe 201 is rotated in hot blast pipe 102, in turn drive filter cartridge 204 rotation, hot air passes through rotating filter cartridge 204, the filter hole on the cylinder portion 2041 and bending portion 2042 can intercept spark and impurity in air flow, the area of filtering can be effectively increased by the conical setting of cylinder portion 2041, guarantee the air circulation speed, while bending portion 2042 is in the shape of blade, can intercept impurity particles, so that these particles are filtered before contacting cylinder portion 2041, reduce the filtering burden of cylinder portion 2041, improve overall filtering efficiency, when spark, bending portion 2042 can also impact spark, and the spark is scattered and is beaten out, more effectively prevent spark and impurity pass, hot air is filtered and successively flows through reducing pipe 103, rectangular pipe 104 and reducing air outlet pipe 105, in rectangular pipe 104, spark detector 110 continuously monitors whether there is spark, if detecting spark, staff can take countermeasures in time, when needing to maintain filter mechanism 200, remove bolt and open the cover plate 106 of the side end of hot blast pipe 102, can clean and maintain inside.
[0029] The embodiments of the present application disclose are preferred embodiments, but are not limited to this, and the ordinary skilled in the art can easily understand the spirit of the present application according to the above embodiments, and make different inferences and changes, but as long as it does not deviate from the spirit of the present application, it is within the protection scope of the present application.
Claims
1. A hot blast furnace structure integrating a spark detection module, characterized in that, The system includes a hot air furnace body (101), a hot air duct (102) located at the rear end of the hot air furnace body (101), and a filter mechanism (200) located inside the hot air duct (102). A reducing pipe (103) is provided at the end of the hot air duct (102), and a rectangular pipe (104) is provided at the end of the reducing pipe (103). A spark detector (110) is provided on the outer surface of the rectangular pipe (104), and the probe of the spark detector (110) is located inside the rectangular pipe (104). A reducing air outlet pipe (105) is provided at the end of the rectangular pipe (104). The filter mechanism (200) includes an installation pipe (201) rotatably installed inside the hot air duct (102), and a filter cylinder (204) is provided at the front end of the installation pipe (201).
2. The hot blast furnace structure with an integrated spark detection module according to claim 1, characterized in that, The hot air duct (102) has a maintenance and inspection port on its side end. A cover plate (106) is installed on the side end of the hot air duct (102) at the maintenance and inspection port. The cover plate (106) is arc-shaped.
3. The hot blast furnace structure with an integrated spark detection module according to claim 2, characterized in that, The outer surface of the mounting pipe (201) is provided with a rotating ring (202), the inner wall of the hot air pipe (102) is provided with an annular limiting groove, the rotating ring (202) is located in the annular limiting groove, and the outer surface of the rotating ring (202) is provided with balls (203).
4. The hot blast furnace structure with an integrated spark detection module according to claim 3, characterized in that, The upper end of the hot air pipe (102) is provided with a connecting port (109), and a motor (107) is provided at the upper end of the hot air pipe (102). A friction wheel (108) is installed at the end of the output shaft of the motor (107), and the lower part of the friction wheel (108) is located inside the connecting port (109) and contacts the outer surface of the mounting pipe (201).
5. The hot blast furnace structure with an integrated spark detection module according to claim 4, characterized in that, The hot air furnace body (101) has a hot air outlet at its rear end. The hot air furnace body (101) has a screw hole on the outside of the hot air outlet at its rear end. The hot air pipe (102) is installed at the hot air outlet at the rear end of the hot air furnace body (101) by bolts, and the hot air pipe (102) is connected to the hot air outlet.
6. The hot blast furnace structure with an integrated spark detection module according to claim 5, characterized in that, The filter cartridge (204) includes a cylindrical part (2041) and a bent part (2042). The bent part (2042) is formed by bending the cylindrical part (2041) several times. The cylindrical part (2041) is conical, and the bent part (2042) is blade-shaped. The cross-section of the bent part (2042) is V-shaped. Both the cylindrical part (2041) and the bent part (2042) are provided with filter holes.