Long-bag low-pressure dust collector with self-cleaning function

Abstract

The long-bag low-pressure dust remover with the self-cleaning function comprises a bearing frame and a heat dissipation protection mechanism, long-bag low-pressure dust removal shells are evenly welded in the bearing frame, and machine covers for overhauling are installed at the bottoms of the long-bag low-pressure dust removal shells. By installing the heat dissipation protection mechanism, the water suction pump and the like, when the device is actually operated, a user can start the water suction pump on the heat dissipation protection mechanism to be matched with the cooling water inlet pipe to continuously pump cooling water into the outer hollow connecting sleeve provided with the cooling water inlet pipe and then discharge the cooling water; according to the long-bag low-pressure dust removal device, the long-bag low-pressure dust removal shell can be well protected in a heat exchange and heat dissipation mode through continuous circulating filling of cooling water, the risks that when the long-bag low-pressure dust removal shell continuously works, due to gas expansion, the temperature of the long-bag low-pressure dust removal shell is too high, and the long-bag low-pressure dust removal shell is prone to combustion and explosion are avoided, and the safety effect of the device during operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of long bag dust collectors, in particular to a long bag low-pressure dust collector with a self-cleaning function. Background Art

[0002] Long bag dust collector is a commonly used type of dry dust filtering equipment. It is suitable for capturing fine, dry, non-fibrous dust and has a good dust removal effect. However, there are still some problems in the actual operation of long bag dust collector.

[0003] For example, a long bag low-pressure pulse dust collector disclosed in application No. 201620435472.4, in which a dust box is provided with an inclined baffle connecting the air inlet and outlet, the dust box and the clean air box are divided into a plurality of corresponding dust chambers and clean air chambers by a partition, a clean air outlet is provided between each corresponding clean air chamber and the dust chamber, each clean air outlet is respectively provided with a lifting cover controlled by a lifting valve, an ash hopper is provided below the dust box corresponding to more than one dust chamber, a filter bag is provided in the dust chamber, a nozzle is provided on the blowing pipe of the filter bag blowing device corresponding to each filter bag, and the utility model dust collector It can reduce the load on the filter bag, extend the life of the filter bag, and achieve offline cleaning, which is cleaner. It can reduce system resistance and energy consumption at the same time, ensuring the safe and reliable operation of the system. However, it still has the problem of not having a multi-stage cleaning and anti-blocking protection structure and poor cleaning effect. Moreover, when too much exhaust gas is introduced, it is not easy to perform intelligent diversion treatment on the exhaust gas, which is not conducive to the exhaust gas inside the long bag low-pressure dust removal shell being in a suitable low-pressure state and affecting the treatment effect. Moreover, it is not easy to solve the problem that the long bag low-pressure dust removal shell will generate more heat and have low safety when working continuously. Utility Model Content

[0004] The purpose of the utility model is to provide a long bag low-pressure dust collector with a self-cleaning function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a long bag low-pressure dust collector with a self-cleaning function, comprising a carrier and a heat dissipation protection mechanism, a long bag low-pressure dust removal shell is uniformly welded inside the carrier, a maintenance cover is installed at the bottom of the long bag low-pressure dust removal shell, a back-blowing pipe group is welded at the bottom of the maintenance cover, an air pump is installed at one end of the back-blowing pipe group, a top seat is welded at the top of the long bag low-pressure dust removal shell, a servo motor is installed at the middle position of the top of the top seat, a stirring frame is connected to the inside of the long bag low-pressure dust removal shell at the output end of the servo motor, and electrostatic dust removal plates and cleaning brushes are installed at both ends of the stirring frame, the heat dissipation protection mechanism is fixed to the outer side wall of the long bag low-pressure dust removal shell, the heat dissipation protection mechanism comprises an outer hollow connecting sleeve, a cooling water inlet pipe, a heat exchange vertical pipe and a water pump, an automatic diversion mechanism is installed on the top of the long bag low-pressure dust removal shell, and the automatic diversion mechanism comprises a diversion branch pipe, a pressure gauge, a feed main pipe and a flow control valve.

[0006] Preferably, fixing screw holes are evenly arranged at the edges of the bottom of the support frame, and the outer wall of the support frame is vulcanized and connected with a rubber buffer layer, so that it is easy to fix and install the device by screws and improve stability.

[0007] Preferably, the outer hollow connecting sleeve is welded between the long bag low-pressure dust removal shell, and the heat exchange vertical pipe is welded between the outer hollow connecting sleeve and the outside of the long bag low-pressure dust removal shell at equal intervals. The interior of the heat exchange vertical pipe and the outer hollow connecting sleeve are connected, thereby increasing the heat conduction and heat exchange area.

[0008] Preferably, the water pump is installed on one side of the outer hollow connecting sleeve, and the cooling water inlet pipe is welded to the other side of the outer hollow connecting sleeve. Flanges are provided on both the water pump and the cooling water inlet pipe to facilitate the continuous and automatic introduction of cooling water into the heat dissipation protection mechanism.

[0009] Preferably, four long-bag low-pressure dust removal shells are provided, and the inner side walls of the maintenance cover and the long-bag low-pressure dust removal shells are both provided with nano-ceramic wear-resistant layers, so as to optimize the dust removal effect.

[0010] Preferably, the branch pipes are connected to the top of the long bag low-pressure dust removal shell in sequence, the main feed pipe is welded between the branch pipes, and a flange is provided on the main feed pipe so that the introduced exhaust gas to be dusted can be diverted.

[0011] Preferably, the flow control valve is installed at one end of the branch pipe close to the main feed pipe, and the pressure gauge is installed at the top of the main feed pipe, so that it is convenient to intelligently control the intake pressure.

[0012] Preferably, the maintenance cover and the long-bag low-pressure dust collector shell form a snap-fit ​​connection, and locking bolts are evenly arranged between the maintenance cover and the long-bag low-pressure dust collector shell, so that it is convenient to disassemble the interior of the long-bag low-pressure dust collector shell and to disassemble and maintain the long dust filter bag inside the long-bag low-pressure dust collector shell.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The long-bag low-pressure dust collector with a self-cleaning function optimizes its own performance by installing a stirring rack and a long-bag low-pressure dust removal shell, etc. On the one hand, the air pump on the back-blowing pipe group is started, which can realize primary back-blowing and anti-blocking protection for the dust filter long bag inside the long-bag low-pressure dust removal shell during dust removal. On the other hand, the servo motor is started to drive the stirring rack to rotate inside the long-bag low-pressure dust removal shell, thereby driving the cleaning brushes at both ends of the stirring rack to brush against the dust filter long bag, and the electrostatic dust removal plate is energized to generate electrostatic adsorption force, which can adsorb dust generated during cleaning, so that the device can automatically clean the dust attached to the inner wall of the dust filter long bag that blocks the filter hole, thereby realizing the self-cleaning protection function;

[0015] (2) The long-bag low-pressure dust collector with a self-cleaning function is equipped with a heat dissipation protection mechanism and a water pump, so that when the device is actually operated, the user can start the water pump on the heat dissipation protection mechanism and cooperate with the cooling water inlet pipe to continuously draw cooling water into the outer hollow connecting sleeve provided with the cooling water inlet pipe and then discharge it. Through the continuous circulation of cooling water, the long-bag low-pressure dust collector shell can be better protected from heat exchange and heat dissipation, thereby solving the risk of excessive temperature of the long-bag low-pressure dust collector shell, easy combustion and explosion, etc. caused by gas expansion when the long-bag low-pressure dust collector shell is working continuously, thereby improving the safety effect of the device during operation;

[0016] (3) The long-bag low-pressure dust collector with a self-cleaning function is equipped with a feed pipe and a pressure gauge, etc., so that the device optimizes its own structure. The exhaust gas will enter in advance through the feed pipe on the automatic diversion mechanism. At this time, the pressure gauge on the feed pipe will monitor the air pressure value and send the monitored data to the external control device, so that it can intelligently control the number of long-bag low-pressure dust collection shells opened according to the preset program, and open the flow control valves on the diversion branches at the starting ends of the corresponding number of long-bag low-pressure dust collection shells. This allows the device to achieve better diversion processing, which is beneficial to ensure that the exhaust gas with a suitable air pressure enters the long-bag low-pressure dust collection shell, and can achieve relatively safe and efficient low-pressure dust removal processing. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 This is a schematic diagram of the front view structure of the automatic diversion mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the front view structure of the heat dissipation protection mechanism of the utility model;

[0021] Figure 5 This is a rear view structural diagram of the servo motor of the utility model.

[0022] In the figure: 1. Carrying frame; 2. Backflush pipe group; 3. Air pump; 4. Heat dissipation protection mechanism; 401. External hollow connecting sleeve; 402. Cooling water inlet pipe; 403. Heat exchange vertical pipe; 404. Water pump; 5. Servo motor; 6. Top seat; 7. Long bag low-pressure dust removal shell; 8. Automatic diversion mechanism; 801. Diversion branch pipe; 802. Pressure gauge; 803. Feed main pipe; 804. Flow control valve; 9. Locking bolt; 10. Maintenance cover; 11. Stirring frame; 12. Cleaning brush; 13. Electrostatic dust removal plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides an embodiment: a long bag low-pressure dust collector with a self-cleaning function, comprising a carrier frame 1 and a heat dissipation protection mechanism 4, a long bag low-pressure dust removal shell 7 is uniformly welded inside the carrier frame 1, a maintenance machine cover 10 is installed at the bottom of the long bag low-pressure dust removal shell 7, a backflush pipe group 2 is welded at the bottom of the maintenance machine cover 10, and an air pump 3 is installed at one end of the backflush pipe group 2;

[0025] The edges of the bottom of the support frame 1 are evenly provided with fixing screw holes, and the outer wall of the support frame 1 is vulcanized and connected with a rubber buffer layer, so that it is easy to fix and install the device by screws and improve the stability;

[0026] The maintenance cover 10 and the long bag low-pressure dust removal housing 7 are connected by a snap-fit ​​connection, and locking bolts 9 are evenly arranged between the maintenance cover 10 and the long bag low-pressure dust removal housing 7, so that it is convenient to disassemble the interior of the long bag low-pressure dust removal housing 7 and to disassemble and maintain the long filter bag inside the long bag low-pressure dust removal housing 7;

[0027] A top seat 6 is welded on the top of the long bag low-pressure dust removal housing 7, a servo motor 5 is installed at the middle position of the top of the top seat 6, and a stirring frame 11 is connected to the inside of the long bag low-pressure dust removal housing 7 at the output end of the servo motor 5, and both ends of the stirring frame 11 are installed with an electrostatic dust removal plate 13 and a cleaning brush 12;

[0028] When in use, the servo motor 5 is started to drive the stirring frame 11 to rotate inside the long bag low-pressure dust removal housing 7, so that the cleaning brushes 12 at both ends of the stirring frame 11 can be driven to brush against the long dust filter bag for cleaning, and the electrostatic dust removal plate 13 is energized to generate electrostatic adsorption force, which can adsorb dust generated during cleaning, so that the device can automatically clean the dust attached to the inner wall of the long dust filter bag that blocks the filter hole, realizing the self-cleaning protection function;

[0029] The heat dissipation protection mechanism 4 is fixed to the outer side wall of the long bag low-pressure dust removal housing 7, and the heat dissipation protection mechanism 4 includes an outer hollow connecting sleeve 401, a cooling water inlet pipe 402, a heat exchange vertical pipe 403 and a water pump 404;

[0030] The outer hollow connecting sleeve 401 is welded between the long bag low-pressure dust removal shell 7, and the heat exchange vertical pipe 403 is welded between the outer hollow connecting sleeve 401 and the outside of the long bag low-pressure dust removal shell 7 at equal intervals. The heat exchange vertical pipe 403 is connected to the inside of the outer hollow connecting sleeve 401, thereby increasing the heat conduction and heat exchange area;

[0031] The water pump 404 is installed on one side of the outer hollow connecting sleeve 401, and the cooling water inlet pipe 402 is welded to the other side of the outer hollow connecting sleeve 401. Flanges are provided on the water pump 404 and the cooling water inlet pipe 402, so that it is convenient to continuously and automatically introduce cooling water into the heat dissipation protection mechanism 4;

[0032] There are four long-bag low-pressure dust removal shells 7, and the inner side walls of the maintenance cover 10 and the long-bag low-pressure dust removal shell 7 are both provided with a nano-ceramic wear-resistant layer, which optimizes the dust removal effect;

[0033] When in use, the user can start the water pump 404 on the heat dissipation protection mechanism 4 and cooperate with the cooling water inlet pipe 402 to continuously draw cooling water into the outer hollow connecting sleeve 401 provided with the cooling water inlet pipe 402 and then discharge it. Through the continuous circulation of cooling water, the long bag low-pressure dust removal shell 7 can achieve better heat exchange and heat dissipation protection, which solves the risk of over-high temperature, easy combustion and explosion of the long bag low-pressure dust removal shell 7 caused by gas expansion when the long bag low-pressure dust removal shell 7 is continuously working, thereby improving the safety effect of the device during operation;

[0034] An automatic flow diversion mechanism 8 is installed on the top of the long bag low-pressure dust removal housing 7, and the automatic flow diversion mechanism 8 includes a flow diversion branch pipe 801, a pressure gauge 802, a feed main pipe 803 and a flow control valve 804;

[0035] The branch pipes 801 are connected to the top of the long bag low-pressure dust removal housing 7 in sequence, and the main feed pipe 803 is welded between the branch pipes 801. The main feed pipe 803 is provided with a flange to enable the diversion of the introduced waste gas to be dusted;

[0036] The flow control valve 804 is installed at one end of the branch pipe 801 close to the feed main pipe 803, and the pressure gauge 802 is installed at the top of the feed main pipe 803, so as to facilitate intelligent regulation of the intake pressure.

[0037] When the embodiment of the present application is in use: an external power supply and control device are connected, and the exhaust gas will enter in advance through the feed main pipe 803 on the automatic diversion mechanism 8. At this time, the barometer 802 on the feed main pipe 803 will monitor the air pressure value and send the monitored data to the external control device, so that it can intelligently control the number of long bag low-pressure dust removal shells 7 opened according to the preset program, and open the flow control valve 804 on the diversion branch pipe 801 at the starting end of the corresponding number of long bag low-pressure dust removal shells 7, which enables the device to achieve better diversion processing. It is beneficial to ensure that the exhaust gas with suitable air pressure enters the long bag low-pressure dust removal shell 7, and can realize relatively safe and efficient low-pressure dust removal processing. At the same time, the air pump 3 on the back-blowing pipe group 2 is started, and the primary back-blowing anti-blocking protection can be realized for the long dust filter bag inside the long bag low-pressure dust removal shell 7 during dust removal. Furthermore, the servo motor 5 is started to drive the stirring frame 11 to rotate inside the long bag low-pressure dust removal shell 7, so that the cleaning brushes 12 at both ends of the stirring frame 11 can be driven to brush against the long dust filter bag, and the electrostatic dust removal plate 13 is energized to generate electrostatic suction The device can automatically clean the dust clogged by the inner wall of the long dust filter bag and realize the self-cleaning protection function. In addition, the user can start the water pump 404 on the heat dissipation protection mechanism 4 and cooperate with the cooling water inlet pipe 402 to continuously draw cooling water into the outer hollow connecting sleeve 401 provided with the cooling water inlet pipe 402 and then discharge it. Through the continuous circulation of cooling water, the long bag low-pressure dust removal shell 7 can achieve better heat exchange and heat dissipation protection, solving the problem of long bag low-pressure dust removal. When the dust collector shell 7 works continuously, the risk of overheating of the long bag low-pressure dust collector shell 7, combustion and explosion caused by gas expansion is reduced, which improves the safety effect during the operation of the device. Secondly, a snap-fit ​​connection structure is formed between the maintenance cover 10 and the long bag low-pressure dust collector shell 7, and locking bolts 9 are evenly arranged between the maintenance cover 10 and the long bag low-pressure dust collector shell 7, so that the device can easily disassemble the interior of the long bag low-pressure dust collector shell 7 and disassemble and maintain the long dust filter bag inside the long bag low-pressure dust collector shell 7.

Claims

1. A long bag low pressure dust collector with self-cleaning function, characterized in that: The invention comprises a support frame (1) and a heat dissipation protection mechanism (4), wherein a long bag low-pressure dust removal shell (7) is uniformly welded inside the support frame (1), a maintenance cover (10) is installed at the bottom of the long bag low-pressure dust removal shell (7), a backflush pipe group (2) is welded at the bottom of the maintenance cover (10), an air pump (3) is installed at one end of the backflush pipe group (2), a top seat (6) is welded at the top of the long bag low-pressure dust removal shell (7), a servo motor (5) is installed at the middle position of the top of the top seat (6), and a stirring frame (1) is connected to the inside of the long bag low-pressure dust removal shell (7) at the output end of the servo motor (5). 1), both ends of the stirring frame (11) are equipped with electrostatic dust removal plates (13) and cleaning brushes (12), the heat dissipation protection mechanism (4) is fixed to the outer side wall of the long bag low-pressure dust removal shell (7), the heat dissipation protection mechanism (4) comprises an outer hollow connecting sleeve (401), a cooling water inlet pipe (402), a heat exchange vertical pipe (403) and a water pump (404), and the top of the long bag low-pressure dust removal shell (7) is equipped with an automatic diversion mechanism (8), and the automatic diversion mechanism (8) comprises a diversion branch pipe (801), a pressure gauge (802), a feed main pipe (803) and a flow control valve (804).

2. The long bag low-pressure dust collector with self-cleaning function according to claim 1 is characterized in that: Fixing screw holes are evenly arranged at the edges of the bottom of the carrier frame (1), and a rubber buffer layer is vulcanized and connected to the outer wall of the carrier frame (1).

3. The long bag low-pressure dust collector with self-cleaning function according to claim 1 is characterized in that: The outer hollow connecting sleeve (401) is welded between the long bag low-pressure dust removal shell (7), and the heat exchange vertical pipe (403) is welded between the outer hollow connecting sleeve (401) and the outside of the long bag low-pressure dust removal shell (7) at equal intervals. The heat exchange vertical pipe (403) and the interior of the outer hollow connecting sleeve (401) are connected.

4. The long bag low-pressure dust collector with self-cleaning function according to claim 1 is characterized in that: The water pump (404) is installed on one side of the outer hollow connecting sleeve (401), and the cooling water inlet pipe (402) is welded to the other side of the outer hollow connecting sleeve (401). Flanges are provided on both the water pump (404) and the cooling water inlet pipe (402).

5. The long bag low-pressure dust collector with self-cleaning function according to claim 1 is characterized in that: Four long-bag low-pressure dust removal shells (7) are provided, and the inner side walls of the maintenance cover (10) and the long-bag low-pressure dust removal shells (7) are both provided with a nano-ceramic wear-resistant layer.

6. The long bag low-pressure dust collector with self-cleaning function according to claim 1, characterized in that: The branch pipes (801) are connected in sequence to the top of the long bag low-pressure dust removal housing (7), the main feeding pipe (803) is welded between the branch pipes (801), and a flange is provided on the main feeding pipe (803).

7. The long bag low-pressure dust collector with self-cleaning function according to claim 1, characterized in that: The flow control valve (804) is installed at one end of the branch pipe (801) close to the main pipe for feeding (803), and the pressure gauge (802) is installed at the top of the main pipe for feeding (803).

8. The long bag low-pressure dust collector with self-cleaning function according to claim 1, characterized in that: The maintenance cover (10) and the long-bag low-pressure dust removal housing (7) are in a snap-fit ​​connection, and locking bolts (9) are evenly arranged between the maintenance cover (10) and the long-bag low-pressure dust removal housing (7).

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