Pulse type bag-type dust collector with cooling function

Abstract

The utility model relates to the field of pulse type bag-type dust removers, and discloses a pulse type bag-type dust remover with a cooling function, which comprises a barrel and a dust chamber, the dust chamber is arranged at the upper part in the barrel, an ash bucket is arranged at the lower part in the barrel, a dust outlet is arranged at the bottom end of the ash bucket, and the barrel is fixed on the ground through a support. A dust inlet is formed in the lower portion of the right side of the barrel, a water tank is arranged on the right side of the barrel, a cooling chamber is arranged above the water tank, and a cooling mechanism is arranged in the cooling chamber. According to the pulse type bag-type dust collector with the cooling function, by arranging the temperature controller, the high-pressure pump machine, the water tank, the mist nozzle, the air guide spiral plate and the cooling pipeline, hot air flow is in a spiral rotating state in the air guide spiral plate, the contact time and path of the hot air flow and cold mist are prolonged, rapid and uniform cooling is achieved, and therefore the gas temperature is reduced to a safe range; the problem that a bag-type dust collector does not have a cooling function, so that the pulse bag-type dust collection effect is not ideal is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pulse type cloth bag dust collector technical field, concretely is a kind of pulse type cloth bag dust collector with cooling function. BACKGROUND

[0002] Pulse type cloth bag dust collector is a kind of high-efficiency dust removal equipment commonly used in industrial waste gas treatment, mainly through the way of compressed air instant backflush, remove dust adhered to cloth bag surface, to realize the efficient filtration and purification of dust-containing gas, widely used in cement, metallurgy, chemical industry, electric power and other industries, with high dust removal efficiency, simple structure, easy maintenance and other advantages.Pulse type cloth bag dust collector on the market is mostly used in high-temperature working condition scene, but generally without independent cooling structure, high-temperature dust-containing gas directly enters cloth bag, easy to cause cloth bag to deform, aging, even burn loss under high-temperature steam or thermal shock, affect service life, at the same time, high-temperature gas can also cause cloth bag internal dew condensation, cause cloth bag to be blocked, blow not smooth, ultimately affect overall dust removal efficiency and running stability.

[0003] Therefore, there is an urgent need for a pulse type cloth bag dust collector with cooling function to solve the above technical defects. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of pulse type cloth bag dust collector with cooling function to solve the problem that cloth bag dust collector does not have cooling function, resulting in that pulse cloth bag dust removal effect is not ideal as described in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of pulse type cloth bag dust collector with cooling function, including cylinder and dust chamber, the upper part in the cylinder is dust chamber, the lower part is ash bucket, the ash bucket bottom end is provided with dust outlet, the cylinder is fixed on the ground by support, the cylinder right side lower portion is equipped with dust inlet, the cylinder right side is provided with water tank, the water tank upper portion is provided with cooling chamber, cooling mechanism is arranged in the cooling chamber, cooling mechanism includes a group of temperature controller installed in pipeline input end, cooling pipeline is fixedly equipped in the inside top of cooling chamber, air guide spiral plate is fixedly equipped in the cooling pipeline, the air guide spiral plate is hollow cylindrical structure, a plurality of fine mist nozzles are fixed on the outer wall of cooling pipeline, high-pressure pump machine is fixedly connected on the outer wall of water tank, the output pipeline of high-pressure pump machine is connected with the input end of fine mist nozzle.

[0006] As a further technical scheme of the utility model, the air guide spiral plate is spirally arranged with a plurality of blades along the outer wall of cylinder, the blades are equidistantly spirally upward, and the cylinder wall is uniformly distributed with a plurality of circular through holes.

[0007] As a further technical scheme of the utility model, the top end and the bottom end of the air guide spiral plate are fixed in the cooling pipeline through flanges.

[0008] As a further technical scheme of the utility model, a drainage groove is arranged at the inner bottom end of the cooling chamber, a condensation waste pipe is mounted at the output end of the drainage groove, and the condensation waste pipe leads to an external condensate water recovery device.

[0009] As a further technical scheme of the utility model, a dust-containing pipeline is connected between the cooling chamber and the dust inlet, and a plurality of annularly distributed dehumidification filter cartridges are mounted in the dust inlet.

[0010] As a further technical scheme of the utility model, a blowpipe is fixedly connected to the inner top end of the dust removal chamber, a plurality of blowholes are arranged at the bottom end of the blowpipe, each group of blowholes is communicated with a pulse cloth bag, and the pulse cloth bag is fixed in the dust removal chamber through a fixing member and is distributed at equal intervals.

[0011] As a further technical scheme of the utility model, a pulse controller is fixedly assembled to the left outer wall of the cylinder, a pulse valve is connected to the output end of the pulse controller, an electromagnetic valve is connected to the right side of the pulse valve, a compressed gas storage bag is arranged below the electromagnetic valve and fixed to the outer wall of the cylinder, the output end of the compressed gas storage bag is connected to the electromagnetic valve, the other end of the electromagnetic valve is connected to the blowpipe, and the output end of the blowpipe is connected to the clean gas outlet.

[0012] As a further technical scheme of the utility model, a plurality of porous plates are arranged outside the blowholes and fixed to the inner wall of the cylinder, and the porous plates are located at the top end of the pulse cloth bag.

[0013] Compared with the prior art, the pulse cloth bag dust collector with a cooling function has the advantages that: the pulse cloth bag dust collector with a cooling function not only realizes rapid and uniform cooling, improves the dust removal effect, ensures the dryness of the cloth bag, but also is convenient for disassembly, cleaning or replacement of the cooling component in the later period.

[0014] (1) The temperature controller, the high-pressure pump, the water tank, the fine mist nozzle, the air guide spiral plate and the cooling pipeline are arranged, the hot gas flow presents a spiral rotating state in the air guide spiral plate, the contact time and path with the cold mist are prolonged, rapid and uniform cooling is realized, the gas temperature is reduced to a safe range, and the problem that the traditional cloth bag dust collector does not have cooling and the pulse cloth bag dust removal effect is not ideal is solved.

[0015] (2) The drainage groove, the condensation waste pipe, the dust inlet and the dehumidification filter cartridge are arranged, the drainage groove guides the liquid to the external collection device through the condensation waste pipe, prevents the condensate from accumulating in the cooling chamber, avoids equipment rust or electrical component short circuit, the dehumidification filter cartridge adsorbs part of the mist and water vapor, the pulse cloth bag is not affected by the moisture, the dry state is ensured, the problems of bag blocking due to condensation and dust agglomeration are avoided, and the pulse cloth bag is prevented from being blocked.

[0016] (3) By setting with cooling room, the device will cooling function integrated in a group of independent cooling room set, easy to disassemble and clean or replace cooling components later, do not affect the normal operation of the spray pipe, spray hole, pulse cloth bag, suitable for compact but high functional requirements of flue gas dust removal. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view sectional structure schematic diagram of the utility model;

[0018] Figure 2 It is the front view structure schematic diagram of the air guide spiral plate of the utility model;

[0019] Figure 3 It is the front view sectional structure schematic diagram of the cooling room of the utility model;

[0020] Figure 4 It is the inside structure schematic diagram of the dehumidification filter element.

[0021] In the drawing: 1, cylinder; 2, spray pipe; 3, spray hole; 4, electromagnetic valve; 5, pulse valve; 6, compressed gas storage bag; 7, perforated plate; 8, pulse cloth bag; 9, pulse controller; 10, dust removal chamber; 11, support; 12, ash bucket; 13, dust outlet; 14, dust inlet; 15, dust-containing pipeline; 16, water tank; 17, high-pressure pump machine; 18, condensation waste pipe; 19, drain; 20, cooling room; 21, fine mist nozzle; 22, temperature controller; 23, cooling pipeline; 24, clean gas outlet; 25, air guide spiral plate; 26, dehumidification filter element. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4The utility model provides an embodiment: a kind of pulse type cloth bag dust collector with cooling function, including cylinder 1 and dust chamber 10, the top of cylinder 1 inside is dust chamber 10, lower is ash bucket 12, ash bucket 12 bottom end is provided with dust outlet 13, cylinder 1 is fixed on ground by support 11, cylinder 1 right side lower is provided with dust inlet 14, cylinder 1 right side is provided with water tank 16, water tank 16 top is provided with cooling chamber 20, cooling mechanism is arranged in cooling chamber 20, cooling mechanism includes a group of temperature controller 22 installed in pipeline input end, cooling pipeline 23 is fixedly assembled in cooling chamber 20 inside top end, cooling pipeline 23 is fixedly assembled with wind guide spiral plate 25, wind guide spiral plate 25 is hollow cylindrical structure, multiple groups of fine mist nozzle 21 are fixed on the outer wall of cooling pipeline 23, high pressure pump machine 17 is fixedly connected on the outer wall of water tank 16, the output pipeline of high pressure pump machine 17 is connected with the input end of fine mist nozzle 21, multiple groups of blades are spirally arranged on the outer wall of cylinder along wind guide spiral plate 25, blade is equidistantly spaced helical ascending, cylinder wall evenly distributes several circular through holes;

[0024] Specifically, as shown in Figure 1 、 Figure 2 and Figure 3 , the temperature of flue gas is monitored in real time by temperature controller 22, and when the temperature of flue gas exceeds the set threshold, high pressure pump machine 17 is automatically started to pressurize and deliver cold water in water tank 16 to multiple fine mist nozzles 21, fine mist nozzles 21 spray micron-level fine mist, wind guide spiral plate 25 is a hollow cylindrical structure, the cylinder wall is provided with several circular through holes, and turbulence blades are arranged on the outer wall in equidistantly spaced helical ascending manner, so that the hot gas flow presents a helical rotating state inside the wind guide spiral plate 25, the contact time and path with the cold mist are prolonged, and the gas temperature is reduced to a safe range.

[0025] Drainage groove 19 is arranged at the bottom of cooling chamber 20, condensation waste pipe 18 is installed at the output end of drainage groove 19, condensation waste pipe 18 leads to external condensate recovery device, dust-containing pipeline 15 is connected between cooling chamber 20 and dust inlet 14, and multiple annularly distributed dehumidification filter elements 26 are installed in dust inlet 14.

[0026] Specifically, as shown in Figure 1 and Figure 4 , drainage groove 19 is arranged at the bottom of cooling chamber 20 to collect condensate generated after spray cooling, drainage groove 19 drains the liquid to external collection device through condensation waste pipe 18, prevents condensate from accumulating in cooling chamber 20, avoids equipment rust or electrical component short circuit, and multiple dehumidification filter elements 26 are arranged in dust inlet 14 to adsorb part of mist droplets and water vapor, so that pulse cloth bag 8 is not affected by humidity, and dry state is ensured.

[0027] The top end and the bottom end of the air guide spiral plate 25 are fixed in the cooling pipeline 23 through flanges, the top end in the dust removal chamber 10 is fixedly connected with the blowing pipe 2, a plurality of groups of blowing holes 3 are arranged at the bottom end of the blowing pipe 2, each group of blowing holes 3 is communicated with a pulse cloth bag 8, the pulse cloth bag 8 is fixed in the dust removal chamber 10 through a fixing piece and is distributed at equal intervals, a pulse controller 9 is fixedly arranged on the left side of the outer wall of the cylinder body 1, the output end of the pulse controller 9 is connected with a pulse valve 5, the right side of the pulse valve 5 is connected with an electromagnetic valve 4, a compressed gas storage bag 6 fixed to the outer wall of the cylinder body 1 is arranged below the electromagnetic valve 4, the output end of the compressed gas storage bag 6 is connected to the electromagnetic valve 4, the other end of the electromagnetic valve 4 is connected to the blowing pipe 2, the output end of the blowing pipe 2 is connected to the clean gas outlet 24, the outside of the blowing hole 3 is provided with a plurality of porous plates 7 fixed to the inner wall of the cylinder body 1, and the porous plate 7 is located at the top end of the pulse cloth bag 8;

[0028] Specifically, as shown in the drawings, Figure 1 The cooling function is integrally arranged in a group of independently arranged cooling chambers 20, so that the cooling components can be conveniently disassembled, cleaned or replaced in the later period, and the normal operation of the blowing pipe 2, the blowing hole 3 and the pulse cloth bag 8 is not affected.

[0029] Working principle: the dust-containing gas enters the cooling chamber 20, is first detected by the temperature controller 22, if the temperature is higher than the set value, the high-pressure pump 17 is started to pressurize and deliver the cold water in the water tank 16 to a plurality of fine mist nozzles 21, the fine mist nozzles 21 atomize and spray cold mist to cover the cooling pipeline 23 and the air guide spiral plate 25, the gas forms a rotating flow field in the air guide spiral plate 25 and fully mixes with the mist drops to complete rapid cooling, the condensed liquid is collected through the drain groove 19 and is discharged through the condensing waste discharge pipe 18, the water vapor is filtered and adsorbed through the dehumidification filter element 26, the cooled gas enters the dust inlet 14, passes through the pulse cloth bag 8 for efficient filtration, the purified gas is discharged through the clean gas outlet 24, the dust attached to the surface of the pulse cloth bag 8 after filtration falls into the ash hopper 12 through the pulse controller 9, the blowing pipe 2 and the blowing hole 3 to form a pulse airflow, and is finally discharged through the dust outlet 13, during the period, the electromagnetic valve 4 controls the opening and closing of the pulse valve 5, the pulse valve 5 and the compressed gas storage bag 6 form a pulse blowing to provide high-pressure gas, the blowing is timely, the dust removal efficiency is high, the cooling and filtration are operated in separate zones and do not interfere with each other.

[0030] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A pulse-type cloth bag dust collector with a cooling function, comprising a cylinder (1) and a dust removal chamber (10), characterized in that: The upper part of the barrel (1) is a dust removal chamber (10), and the lower part is an ash bucket (12), the bottom end of the ash bucket (12) is provided with a dust outlet (13), the barrel (1) is fixed to the ground through a support (11), the lower right side of the barrel (1) is provided with a dust inlet (14), the right side of the barrel (1) is provided with a water tank (16), the upper part of the water tank (16) is provided with a cooling chamber (20), and the cooling chamber (20) is provided with a cooling mechanism; The cooling mechanism comprises a group of temperature controllers (22) mounted on the input end of the pipeline, the cooling chamber (20) is fixedly provided with a cooling pipeline (23) at the top, the cooling pipeline (23) is fixedly provided with a wind guide spiral plate (25) inside, the wind guide spiral plate (25) is a hollow cylindrical structure, a plurality of fine mist nozzles (21) are fixedly arranged on the outer wall of the cooling pipeline (23), and the outer wall of the water tank (16) is fixedly connected with a high-pressure pump (17), and the output pipeline of the high-pressure pump (17) is connected with the input end of the fine mist nozzle (21).

2. The pulse-type cloth bag dust collector with a cooling function according to claim 1, characterized in that: The wind guide spiral plate (25) is spirally provided with a plurality of blades along the outer wall of the cylinder, the blades are in equidistant spiral upward, and the cylinder wall is uniformly distributed with a plurality of circular through holes.

3. The pulse-type cloth bag dust collector with a cooling function according to claim 1, characterized in that: The top and bottom ends of the wind guide spiral plate (25) are fixed in the cooling pipeline (23) through flanges.

4. The pulse-type cloth bag dust collector with a cooling function according to claim 1, characterized in that: The bottom end of the cooling chamber (20) is provided with a drainage groove (19), and the output end of the drainage groove (19) is provided with a condensation waste pipe (18), and the condensation waste pipe (18) leads to an external condensate water recovery device.

5. The pulse-type cloth bag dust collector with a cooling function according to claim 1, characterized in that: The cooling chamber (20) and the dust inlet (14) are connected with a dust-containing pipeline (15), and a plurality of annularly distributed dehumidification filter elements (26) are installed in the dust inlet (14).

6. The pulse-type cloth bag dust collector with a cooling function according to claim 1, characterized in that: The top end of the dust removal chamber (10) is fixedly connected with a blowing pipe (2), a plurality of blowing holes (3) are arranged at the bottom end of the blowing pipe (2), each group of blowing holes (3) is communicated with a pulse cloth bag (8), and the pulse cloth bag (8) is fixed in the dust removal chamber (10) through a fixing piece and is distributed at equal intervals.

7. The pulse-type cloth bag dust collector with a cooling function according to claim 1, characterized in that: The left side of the outer wall of the barrel (1) is fixedly provided with a pulse controller (9), the output end of the pulse controller (9) is connected with a pulse valve (5), the right side of the pulse valve (5) is connected with a solenoid valve (4), the lower side of the solenoid valve (4) is provided with a compressed gas storage bag (6) fixed to the outer wall of the barrel (1), the output end of the compressed gas storage bag (6) is connected to the solenoid valve (4), the other end of the solenoid valve (4) is connected to the blowing pipe (2), and the output end of the blowing pipe (2) is connected to a clean gas outlet (24).

8. The pulse-type cloth bag dust collector with a cooling function according to claim 6, characterized in that: The blowing hole (3) is provided with a perforated plate (7) fixed to the inner wall of the barrel (1), and the perforated plate (7) is located at the top end of the pulse cloth bag (8).

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