Thermal insulation layer pressurization anti-corrosion chimney

Abstract

The utility model provides a thermal insulation layer pressurized anti-corrosion chimney, which relates to the technical field of anti-corrosion chimneys and comprises a chimney body, a chimney cap and a chassis, the chimney cap is arranged at the top of the chimney body, the chassis is fixedly connected to the bottom end of the chimney body, an air inlet is arranged on one side of the bottom end of the chimney body, and an air outlet is arranged on the other side of the chimney body. An air supply mechanism is arranged on one side of the air inlet, a noise elimination mechanism is arranged between the air supply mechanism and the air inlet, and the chimney body comprises an outer cylinder, a heat insulation layer and a lining; the fan is communicated with the connecting cover through the ventilation pipe, the connecting cover is installed at one end of the fixing sleeve, the fan conveys air pressure into the fixing sleeve through the ventilation pipe, and the silencing cylinder is clamped into the fixing sleeve through the clamping ring. The sound waves can excite air molecules in countless small holes in the silencing cylinder and the sound absorption sleeve to vibrate, and part of sound energy is consumed to overcome friction force and viscous force, so that silencing is achieved, and noise generated by conveying air pressure is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anticorrosive chimney, especially relates to a heat insulation layer pressurization anticorrosive chimney. BACKGROUND

[0002] The anticorrosive chimney is a chimney that is subjected to special anticorrosive treatment, and is mainly used for discharging flue gas containing corrosive gas. The anticorrosive chimney is made of high-quality materials and advanced anticorrosive technology, and has the characteristics of high strength, corrosion resistance, long service life, etc. The inner wall of the anticorrosive chimney is usually made of anticorrosive materials such as glass flake, vinyl ester resin and epoxy resin, which can effectively prevent the penetration of corrosive medium and withstand the erosion of high temperature and acidic gas. The chimney is widely used in industrial production in the chemical, pharmaceutical, food and energy industries, and is a key maintenance measure in the flue gas discharge system.

[0003] A heat insulation layer pressurization anticorrosive chimney is disclosed in Chinese Patent No. CN 104406181 A, which proposes that the air supply and pressure supply device 1 fills gas into the heat insulation layer 3, and the gas direction is from bottom to top, providing pressure and air volume to the heat insulation layer 3. The air volume provided by the air supply and pressure supply device 1 per unit time should be greater than or equal to the air leakage volume of the heat insulation layer 3 per unit time. However, during the process of supplying air from the inside of the air supply and pressure supply device to the inside of the anticorrosive chimney, air friction will produce a large amount of noise, which will affect the working environment of people and easily affect the physical and mental health of people in the long run. Therefore, the utility model proposes a heat insulation layer pressurization anticorrosive chimney to solve the above problems. SUMMARY

[0004] In view of the above problems, the utility model proposes a heat insulation layer pressurization anticorrosive chimney to solve the problem that during the process of supplying air from the inside of the air supply and pressure supply device to the inside of the anticorrosive chimney, air friction will produce a large amount of noise, which will affect the working environment of people.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a heat insulation layer pressurization anticorrosive chimney, comprising a chimney body, a chimney cap and a bottom disc, the top of the chimney body is provided with the chimney cap, the bottom end of the chimney body is fixedly connected with the bottom disc, one side of the bottom end of the chimney body is provided with an air inlet, one side of the air inlet is provided with an air supply mechanism, a sound absorbing mechanism is arranged between the air supply mechanism and the air inlet, and the chimney body comprises an outer cylinder, a heat insulation layer and an inner lining.

[0006] Further improvement lies in that the sound absorbing mechanism comprises a fixing sleeve, a clamping ring, a sound absorbing cylinder and a sound absorbing sleeve, one side of the air inlet is provided with the fixing sleeve, one end of the fixing sleeve is fixedly connected with the clamping ring, the clamping ring is clamped with the sound absorbing cylinder in the inside, and the sound absorbing sleeve is sleeved with the sound absorbing cylinder on the outside.

[0007] Further improvement lies in that the fixed sleeve and one end of the air inlet are both provided with flanges, the inside of the flanges is provided with connecting holes, the inside of the connecting holes is provided with bolts, and the two ends of the bolts are threadedly connected with nuts.

[0008] Further improvement lies in that the air feeding mechanism comprises a connecting cover, a fan and a ventilation pipe, one side of the air inlet is provided with the fan, the output end of the fan is communicated with the ventilation pipe, one end of the ventilation pipe is communicated with the connecting cover, the connecting cover is fixedly connected with one end of the fixed sleeve, and the input end of the fan is communicated with a filter core.

[0009] Further improvement lies in that the inside of the outer cylinder is wrapped with a heat insulation layer, the inside of the heat insulation layer is wrapped with an inner lining, the two sides of the inner lining are symmetrically provided with clamping blocks, the two sides of the heat insulation layer are symmetrically provided with clamping grooves, and the outer wall of the clamping blocks is clamped and connected with the inner wall of the clamping grooves.

[0010] Further improvement lies in that the bottom end of the chimney cap is symmetrically fixedly connected with supporting rods, the bottom end of the supporting rods is symmetrically provided with bolts, and the bottom end of the supporting rods is detachably connected with the top of the chimney body through the bolts.

[0011] . The heat insulation layer pressurized anti-corrosion chimney according to claim 1, wherein the top of the bottom disc is equidistantly annularly provided with a plurality of reinforcing plates, mounting holes are arranged between adjacent reinforcing plates, and the reinforcing plates are triangular in shape.

[0012] The fan is communicated with the connecting cover through the ventilation pipe, the connecting cover is installed at one end of the fixed sleeve, the fan transports air pressure to the inside of the fixed sleeve through the ventilation pipe, the sound attenuation cylinder is clamped in the inside of the fixed sleeve through the clamping ring, when sound waves pass through the sound attenuation cylinder with the porous sound absorbing sleeve, the sound waves can excite the vibration of air molecules in the sound attenuation cylinder and the sound absorbing sleeve, part of sound energy is consumed to overcome friction and viscous force, so that sound attenuation is realized, and the noise generated by the air pressure is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a front view of the utility model;

[0014] Figure 2 is a schematic view of the sound attenuation mechanism of the utility model;

[0015] Figure 3 is a top view of the chimney of the utility model;

[0016] Figure 4 is a schematic view of the chimney cap structure of the utility model.

[0017] Wherein: 1, chimney body; 2, chimney cap; 3, bottom disc; 4, fixed sleeve; 5, clamping ring; 6, muffler; 7, sound absorbing sleeve; 8, air inlet; 9, flange plate; 10, connecting cover; 11, fan; 12, ventilation pipe; 13, outer cylinder; 14, heat insulation layer; 15, inner lining; 16, support rod; 17, clamping block; 18, clamping groove. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the utility model, the utility model will be further described below in conjunction with examples, and the examples are only used to explain the utility model and do not constitute a limitation on the protection scope of the utility model.

[0019] According to Figure 1 , 2 , 3, 4, the embodiment proposes a heat insulation layer pressurized anticorrosion chimney, comprising chimney body 1, chimney cap 2 and bottom disc 3, the top of the chimney body 1 is equipped with the chimney cap 2, the bottom end of the chimney body 1 is fixedly connected with the bottom disc 3, one side of the bottom end of the chimney body 1 is equipped with the air inlet 8, one side of the air inlet 8 is equipped with the air supply mechanism, the air supply mechanism and the air inlet 8 are equipped with the muffling mechanism, the chimney body 1 comprises outer cylinder 13, heat insulation layer 14 and inner lining 15, the bottom disc 3 is installed at the top of the smoke outlet, to communicate the smoke outlet with the inside of the chimney body 1, the air supply mechanism transports the required wind pressure to the inside of the chimney body 1, to assist the chimney body 1 to exhaust smoke to the top end, wherein the muffling mechanism can reduce the noise generated by the wind pressure transportation, to ensure the normal working environment of people and maintain the physical and mental health of people.

[0020] The muffling mechanism comprises fixed sleeve 4, clamping ring 5, muffler 6 and sound absorbing sleeve 7, one side of the air inlet 8 is equipped with the fixed sleeve 4, one end of the fixed sleeve 4 is fixedly connected with the clamping ring 5, the inside of the clamping ring 5 is clamped with the muffler 6, the outer side of the muffler 6 is sleeved with the sound absorbing sleeve 7, when the sound wave passes through the muffler 6 lined with the porous sound absorbing sleeve 7, the sound wave will excite the air molecules in the countless small holes in the muffler 6 and the sound absorbing sleeve 7 to vibrate, part of the sound energy is consumed to overcome the friction and viscous force, so as to realize the muffling, to reduce the noise generated by the wind pressure transportation.

[0021] One end of the fixed sleeve 4 and the air inlet 8 is equipped with the flange plate 9, the inside of the flange plate 9 is equipped with the connecting hole, the inside of the connecting hole is inserted with the bolt, the both ends of the bolt are threadedly connected with the nut, the muffler 6 is clamped in the inside of the fixed sleeve 4 through the clamping ring 5, after the fixed sleeve 4 and the flange plate 9 at one end of the air inlet 8 are mutually butted, the bolt is inserted into the inside of the connecting hole, and then the nut is tightened on the both ends of the bolt, to connect the two flange plates 9 into one, so that the fixed sleeve 4 is fixed at one end of the air inlet 8, so that the wind force transported by the air supply mechanism passes through the inside of the muffling mechanism after being reduced in noise.

[0022] The air supply mechanism comprises a connecting cover 10, a fan 11 and a ventilation pipe 12, one side of the air inlet 8 is provided with the fan 11, the output end of the fan 11 is communicated with the ventilation pipe 12, one end of the ventilation pipe 12 is communicated with the connecting cover 10, the connecting cover 10 is fixedly connected with one end of the fixed sleeve 4, the input end of the fan 11 is communicated with a filter element, the fan 11 is communicated with the connecting cover 10 through the ventilation pipe 12, the connecting cover 10 is installed at one end of the fixed sleeve 4, the fan 11 transports air pressure to the inside of the fixed sleeve 4 through the ventilation pipe 12, and the filter element at the input end of the fan 11 can purify the input air, so that dust is prevented from entering the inside of the ventilation pipe 12 and causing blockage.

[0023] The inside of the outer cylinder 13 is wrapped with a heat insulation layer 14, the inside of the heat insulation layer 14 is wrapped with an inner liner 15, the two sides of the inner liner 15 are symmetrically provided with clamping blocks 17, the two sides of the heat insulation layer 14 are symmetrically provided with clamping grooves 18, the outer wall of the clamping block 17 is clamped and connected with the inner wall of the clamping groove 18, the heat insulation layer 14 is arranged between the outer cylinder 13 and the inner liner 15, the adjacent heat insulation layers 14 are communicated through first communication pipes or punching, the heat insulation layer 14 is filled with gas, the pressure in the heat insulation layer 14 is P1, the inside of the inner liner 15 is flue gas, the maximum pressure of the flue gas is P2, P1 is greater than or equal to P2, the principle that gas cannot diffuse against pressure is utilized, so that the flue gas in the inside of the inner liner 15 cannot enter the heat insulation layer 14 through the inner liner 15, the purpose of preventing corrosion and leakage of the outer cylinder 13 on the chimney body 1 is achieved, the service life is long, and the clamping blocks 17 on the two sides of the inner liner 15 are clamped in the inside of the heat insulation layer 14, so as to fix the inner liner 15 in the inside of the heat insulation layer 14.

[0024] The bottom end of the chimney cap 2 is symmetrically fixedly connected with support rods 16, the bottom end of the support rod 16 is symmetrically provided with bolts, the bottom end of the support rod 16 is detachably connected with the top of the chimney body 1 through the bolts, the support rods 16 at the bottom end of the chimney cap 2 are attached to the two sides of the top end of the chimney body 1, the bolts are inserted into the bottom end of the support rod 16 and screwed into the top end of the chimney body 1, so as to fix the chimney cap 2 at the top end of the chimney body 1, the chimney cap 2 shields the top end of the chimney body 1, and rainwater is prevented from entering the inside of the chimney body 1.

[0025] A plurality of reinforcing plates are equidistantly and annularly distributed on the top of the bottom disc 3, mounting holes are arranged between adjacent reinforcing plates, and the reinforcing plates are triangular in shape, a plurality of reinforcing plates are equidistantly and annularly distributed on the top of the bottom disc 3, mounting holes are arranged between adjacent reinforcing plates, and the reinforcing plates are triangular in shape, the bolts are inserted into the mounting holes, and the bolts are screwed into the top of the smoke outlet, so as to fix the chimney cap 2 and the smoke outlet as a whole, the inside of the chimney body 1 is communicated with the smoke outlet, the triangular reinforcing plate structure is stable, and the support capacity of the chimney cap 2 on the chimney body 1 can be increased.

[0026] The anti-corrosion chimney, the fan 11 is communicated with the connecting cover 10 through the ventilation pipe 12, the connecting cover 10 is installed at one end of the fixed sleeve 4, the fan 11 transports the air pressure to the inside of the fixed sleeve 4 through the ventilation pipe 12, the sound attenuation cylinder 6 is clamped in the inside of the fixed sleeve 4 through the clamping ring 5, when the sound wave passes through the sound attenuation cylinder 6 with the porous sound absorption sleeve 7, the sound wave will excite the air molecule vibration in the countless small holes of the sound attenuation cylinder 6 and the sound absorption sleeve 7, part of sound energy is consumed in overcoming friction and viscous force, so that the sound attenuation is realized, to reduce the noise generated by the air pressure.

[0027] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A thermally insulated pressurized anticorrosive chimney comprising a chimney body (1), a chimney cap (2) and a base plate (3), characterized in that: The chimney body (1) is provided with a chimney cap (2) at the top, and is fixedly connected with a bottom disc (3) at the bottom end, and is provided with an air inlet (8) on one side of the bottom end, and is provided with a blower mechanism on one side of the air inlet (8), and is provided with a sound attenuation mechanism between the blower mechanism and the air inlet (8), and the chimney body (1) comprises an outer cylinder (13), a heat insulation layer (14) and an inner lining (15); The sound attenuation mechanism comprises a fixing sleeve (4), a clamping ring (5), a sound attenuation cylinder (6) and a sound absorption sleeve (7), one side of the air inlet (8) is provided with a fixing sleeve (4), one end of the fixing sleeve (4) is fixedly connected with a clamping ring (5), the clamping ring (5) is clamped with a sound attenuation cylinder (6), and the sound attenuation cylinder (6) is sleeved with a sound absorption sleeve (7) on the outside.

2. A thermally insulated pressurized corrosion-proof chimney according to claim 1, characterized in that: The fixing sleeve (4) and the air inlet (8) are provided with a flange plate (9) at one end, the inside of the flange plate (9) is provided with a connecting hole, the inside of the connecting hole is provided with a bolt, and the both ends of the bolt are threadedly connected with nuts.

3. A thermally insulated pressurized corrosion-resistant chimney according to claim 1, characterized in that: The blower mechanism comprises a connecting cover (10), a fan (11) and a ventilation pipe (12), the fan (11) is provided on one side of the air inlet (8), the output end of the fan (11) is communicated with the ventilation pipe (12), one end of the ventilation pipe (12) is communicated with the connecting cover (10), the connecting cover (10) is fixedly connected with one end of the fixing sleeve (4), and the input end of the fan (11) is communicated with a filter element.

4. A thermally insulated pressurized corrosion-resistant chimney according to claim 1, characterized in that: The inside of the outer cylinder (13) is wrapped with a heat insulation layer (14), the inside of the heat insulation layer (14) is wrapped with an inner lining (15), the both sides of the inner lining (15) are symmetrically provided with clamping blocks (17), the both sides of the heat insulation layer (14) are symmetrically provided with clamping grooves (18), and the outer wall of the clamping block (17) is clamped and connected with the inner wall of the clamping groove (18).

5. A thermally insulated pressurized corrosion-resistant chimney according to claim 1, characterized in that: The bottom end of the chimney cap (2) is fixedly connected with a support rod (16) symmetrically, the bottom end of the support rod (16) is symmetrically provided with a bolt, and the bottom end of the support rod (16) is detachably connected with the top of the chimney body (1) through the bolt.

6. A thermally insulated pressurized corrosion-resistant chimney according to claim 1, characterized in that: The top of the bottom disc (3) is equally spaced annularly distributed with a plurality of reinforcing plates, mounting holes are arranged between adjacent reinforcing plates, and the reinforcing plates are triangular in shape.

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