Spray-type dust collector

Abstract

The application relates to the field of dust removal equipment, in particular to a spraying dust remover which comprises a water pump and a water tank arranged at the bottom of a machine body, one side of the water tank is communicated with a water outlet tank with an open top, a filter cloth is arranged at the communicated position of the water tank and the water outlet tank, a backflush assembly for impacting the back dust surface of the filter cloth is arranged in the water outlet tank, the water outlet tank is communicated with the water pump, and a water delivery pipe is communicated with the water outlet end of the water pump; the backflush assembly comprises a push plate slidingly arranged in the water outlet tank, a force storage assembly for pulling the push plate to move away from the filter cloth to store force, and a force release assembly for releasing the force storage of the force storage assembly on the push plate so that the push plate pushes the dust removal water to impact the filter cloth. The application has the advantages of reducing the possibility that the water pump and the spray head are blocked by dust.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of dust removal equipment, in particular to a spray type dust remover. BACKGROUND

[0002] The spray type dust remover is a kind of dust removal device that water mist is sprayed out through a nozzle in the dust remover, and the water mist captures the dust to separate the dust from the air.

[0003] A spray type dust remover in the related art comprises a machine body, a workbench is arranged on the machine body, a suction fan is arranged below the workbench, a plurality of spray heads are arranged in the machine body, and a water pump is in communication between the spray heads and a water tank at the bottom of the machine body.

[0004] When the water pump pumps dust removal water in the water tank at the bottom of the machine body out to the spray heads for re-spraying, the dust removal water contains a large amount of dust particles, which may cause the water pump and the spray heads to be blocked, and there is an obvious deficiency. SUMMARY

[0005] In order to reduce the possibility of the water pump and the spray heads being blocked by dust, the present application provides a spray type dust remover.

[0006] The spray type dust remover provided by the present application adopts the following technical scheme:

[0007] The spray type dust remover comprises a water pump and a water tank arranged at the bottom of a machine body, one side of the water tank is in communication with a water outlet tank with an open top, a filter cloth is arranged at the communication part between the water tank and the water outlet tank, a backflush assembly for causing impact on the dust-removing surface of the filter cloth is arranged in the water outlet tank, the water outlet tank is in communication with the water pump, and a water delivery pipe is in communication with the water outlet end of the water pump.

[0008] The backflush assembly comprises a push plate slidingly arranged in the water outlet tank, a force storage assembly for pulling the push plate to move away from the filter cloth to store force, and a force release assembly for releasing the force stored by the force storage assembly on the push plate to enable the push plate to push the dust removal water to impact the filter cloth.

[0009] By arranging the filter cloth at the communication part between the water outlet tank and the water tank, the filter cloth can play a role of interception and filtration, when the dust removal water flows back to the water outlet tank through the filter cloth, the dust will not be brought into the water outlet tank, thereby reducing the possibility of the water pump and the spray heads being blocked by dust. The backflush assembly can backflush the filter cloth to flush the dust on the dust-removing surface of the filter cloth, thereby reducing the possibility that the filter cloth is blocked to cause the dust removal water to be difficult to flow back to the water outlet tank.

[0010] Optionally, the force storage assembly comprises a reversing wheel arranged on the inner wall of the water outlet tank opposite to the other side of the water tank, a first floating ball arranged in the water tank, a pull wire arranged on the first floating ball, the pull wire penetrating into the water outlet tank, passing around the reversing wheel and being arranged on the push plate, and a first compression spring arranged between the push plate and the inner wall of the water outlet tank opposite to the reversing wheel.

[0011] By using the above technical scheme, when the filter cloth is blocked, the continuous pumping of the water pump causes the water level in the water tank to gradually rise, the first floating ball is pulled by the pull wire to move the push plate away from the filter cloth under the action of buoyancy, and the first compression spring is squeezed by the push plate to store the force of the push plate.

[0012] Optionally, the push plate is provided with a receiving cavity, the force storage assembly comprises a first winding rod and a second winding rod arranged in the receiving cavity, the other end of the pull wire opposite to the first floating ball first passes around the first winding rod, then passes around the second winding rod, and then penetrates out of the push plate from a position close to the bottom of the push plate and is connected with a second floating ball, the second floating ball is arranged on the side of the push plate facing the filter cloth, and the force storage assembly further comprises a loose clamping part for loosing the pull wire between the first winding rod and the second winding rod.

[0013] By using the above technical scheme, when the filter cloth maintains complete filtering performance, the second floating ball floats in the dust removal water. When the push plate moves away from the filter cloth, the loose clamping part clamps the pull wire. When the push plate is far enough from the filter plate, the loose clamping part releases the clamping of the pull wire, so that the deformation force of the first compression spring drives the push plate to move towards the filter cloth, thereby driving the dust removal water to impact the filter cloth.

[0014] Optionally, the loose clamping part comprises a first clamping block and a second clamping block arranged in the receiving cavity, the wire body of the pull wire in the receiving cavity is located between the first clamping block and the second clamping block, the side of the second clamping block away from the first clamping block faces the filter cloth, the two sides of the first clamping block and the second clamping block away from each other are both supported by a second compression spring between the side wall of the receiving cavity, the inner wall of the water outlet tank opposite to the filter cloth is provided with a second electromagnet, the second clamping block is provided with a second magnet for magnetically attracting the second electromagnet, the inner wall of the water outlet tank opposite to the filter cloth is provided with a first electromagnet, the first clamping block is provided with a first magnet for magnetically attracting the first electromagnet, and the water tank is further provided with a liquid level sensor, the liquid level sensor, the first electromagnet and the second electromagnet are all electrically connected to a control system, and when the first floating ball floats under the action of buoyancy, the liquid level sensor controls the second electromagnet to be de-energized.

[0015] When the filtering performance of the filter cloth decreases, the continuous pumping of the water pump can make the water level in the water tank exceed the liquid level sensor, and the water level in the water outlet tank gradually decreases. At this time, the first floating ball starts to float up, and the liquid level sensor realizes power-off of the second electromagnet through the control system, and the compression spring pushes the first clamping block and the second clamping block to clamp the pull wire. In the process of the continuous floating of the first floating ball, the first clamping block and the second clamping block keep clamping the pull wire, until the suction force of the first electromagnet on the first magnet makes the first magnet move and press the corresponding second compression spring. At this time, the pull wire is in a relaxed state, and the deformation force of the first compression spring pushes the push plate to move quickly towards the filter cloth, so as to push the dust removal water to impact the filter cloth, and the dust on the dust-impingement surface of the filter cloth is washed away, so that the filter cloth is dredged. Then, the water in the water tank flows back to the water outlet tank through the filter cloth, and the first floating ball decreases with the decrease of the liquid level in the water tank. The second floating ball floats up under the action of the dust removal water, and re-winds the pull wire on the first winding rod and the second winding rod.

[0016] Optionally, the opposite side walls of the first clamping block and the second clamping block are wave-shaped.

[0017] By adopting the above technical scheme, the wave-shaped arrangement is beneficial to improve the clamping effect of the first clamping block and the second clamping block on the pull wire.

[0018] Optionally, the bottom wall of the push plate is close to the inner bottom wall of the water outlet tank, the opposite two vertical side walls of the push plate relative to the filter cloth and the other two vertical side walls of the first compression spring are close to the inner walls of the water outlet tank, the communication position of the water pump and the water outlet tank is located on the side of the push plate away from the filter cloth, and a plurality of through holes are formed between the two sides of the push plate relative to the filter cloth and the first compression spring.

[0019] By adopting the above technical scheme, the above arrangement enables the push plate to separate the water outlet tank to some extent, thereby reducing the possibility that the amount of dust removal water between the push plate and the filter plate is too small when the water pump continuously pumps water, so that the filter cloth cannot be effectively back-flushed.

[0020] Optionally, a baffle is rotatably arranged at a position close to the filter cloth in the water tank, the baffle is inclined downward along a direction away from the filter cloth, and the bottom of the baffle abuts against the bottom wall of the water tank.

[0021] By adopting the above technical scheme, when the back-flushing assembly back-flushes the filter cloth, the dust on the dust-impingement surface of the filter cloth is washed away, and the baffle rotates relative to the water flow under the impact of the water flow, so that the dust is carried away from the gap between the bottom of the baffle and the inner bottom wall of the water tank, thereby limiting the dust and reducing the possibility that the dust re-blocks the filter cloth.

[0022] Optionally, the water supply pipe is provided with an electromagnetic valve electrically connected to the control system, a branch pipe is communicated on the pipe between the electromagnetic valve and the water pump, the branch pipe is communicated with the water tank, and the communication position of the branch pipe and the water tank is located on the side of the push plate facing the filter cloth.

[0023] By adopting the above technical scheme, when the push plate completes one back flushing, the worker closes the electromagnetic valve, so that the water pump draws the dust removal water on the side of the push plate away from the filter cloth to the position between the push plate and the filter cloth through the branch pipe, the second floating ball pulls the pull line under the action of the buoyancy, so that the push plate can still move away from the filter cloth, and the first compression spring can still impact the filter cloth twice through the push plate.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The filter cloth is arranged at the communication position of the water tank and the water tank, and can intercept and filter dust, so that when the dust removal water passes through the filter cloth to return to the water tank, the dust cannot be brought into the water tank, thereby reducing the possibility of the water pump and the nozzle being blocked by the dust. The back flushing assembly can back flush the filter cloth, so that the dust on the dust-facing surface of the filter cloth is flushed down, thereby reducing the possibility that the filter cloth is blocked and the dust removal water cannot return to the water tank.

[0026] 2. The push plate can separate the water tank to some extent, thereby reducing the possibility that the dust removal water between the push plate and the filter plate is too little when the water pump continuously pumps water, so that the filter cloth cannot be effectively back flushed.

[0027] 3. When the push plate completes one back flushing, the worker closes the electromagnetic valve, so that the water pump draws the dust removal water on the side of the push plate away from the filter cloth to the position between the push plate and the filter cloth through the branch pipe, the second floating ball pulls the pull line under the action of the buoyancy, so that the push plate can still move away from the filter cloth, and the first compression spring can still impact the filter cloth twice through the push plate, thereby further improving the back flushing effect of the filter cloth. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a structural schematic diagram of an embodiment of the present application.

[0029] Figure 2 is a sectional view of the position relationship among the push plate, the baffle, the first compression spring and the second floating ball in the embodiment of the present application.

[0030] Figure 3 is a sectional view of the position relationship among the push plate, the second compression spring and the pull line in the embodiment of the present application.

[0031] Explanation of reference signs: 1, machine body; 2, water tank; 3, water pump; 4, water outlet tank; 401, guide groove; 5, filter cloth; 6, water delivery pipe; 7, push plate; 701, containing cavity; 702, through hole; 81, reversing wheel; 82, first floating ball; 83, pull wire; 84, first compression spring; 101, first winding rod; 102, second winding rod; 103, second floating ball; 111, first clamping block; 112, second clamping block; 113, second compression spring; 114, second electromagnet; 115, second magnet; 117, first magnet; 12, liquid level sensor; 13, baffle; 14, electromagnetic valve; 15, branch pipe. DETAILED DESCRIPTION

[0032] The following will be described in detail with reference to the accompanying drawings. Figures 1-3 The application is further described in detail.

[0033] The embodiment of the application discloses a spray type dust collector.

[0034] With reference to Figure 1 and Figure 2 , the spray type dust collector comprises a machine body 1 which is hollow inside, a water tank 2 arranged at the bottom of the inner cavity of the machine body 1, a water pump 3 and a water outlet tank 4 which are placed outside the machine body 1, the water outlet tank 4 is communicated with the water tank 2 and a filter cloth 5 is arranged at the communicating position, the water inlet end of the water pump 3 is communicated with the water outlet tank 4, the water outlet end of the water pump 3 is communicated with a plurality of spray heads through a water delivery pipe 6, and the spray heads are located at the top of the inner cavity of the machine body 1.

[0035] With reference to Figure 1 , the worker starts the water pump 3, the water pump 3 pumps the pure dust-removing water in the water outlet tank 4 into the water delivery pipe 6, and then sprays the water out through the plurality of spray heads, so that the dust-removing effect on the dust-containing air in the machine body 1 is realized. Figure 2 After the dust is adsorbed, the dust-removing water is settled in the water tank 2, the filter cloth 5 can intercept and filter the dust in the water tank 2, and the dust-removing water can flow back to the water outlet tank 4 through the filter cloth 5.

[0036] With reference to

[0037] , because the water amount of the dust-removing water in the water tank 2 is relatively large, the filter cloth 5 is completely immersed in the dust-removing water, therefore, the top of the water outlet tank 4 is opened, so that the ventilation during the working process of the water outlet tank 4 is realized. Figure 2 With reference to

[0038] , because the filter cloth 5 is used for a long time, the dust-proof surface of the filter cloth 5 may be blocked by the dust, so that the dust-removing water in the water tank 2 is difficult to flow back to the water outlet tank 4. Figure 2

[0039] ​Therefore, the water outlet tank 4 is further provided with a backflush assembly for impacting the back of the filter cloth 5, the backflush assembly comprising a push plate 7 slidingly arranged in the water outlet tank 4, a force storage assembly for pulling the push plate 7 to move away from the filter cloth 5 to store force, and a force release assembly for releasing the force storage assembly to store force on the push plate 7 so that the push plate 7 pushes the dust removal water to impact the filter cloth 5.

[0040] With reference to Figure 1 , Figure 2 and Figure 3 , a guide block (not shown in the figure) is welded on the push plate 7, and a guide groove 401 is horizontally formed on the inner wall of the water outlet tank 4, the guide block is located in the guide groove 401 and slidingly matches with the guide groove 401, so as to guide the sliding of the push plate 7.

[0041] With reference to Figure 1 , Figure 2 and Figure 3 , the force storage assembly comprises a reversing wheel 81 bolted on the inner wall of the water outlet tank 4 on the other side of the water tank 2, and a first floating ball 82 located in the water tank 2, the first floating ball 82 is tied with a pull line 83, the pull line 83 penetrates into the water outlet tank 4, passes around the reversing wheel 81 and is arranged on the push plate 7. A plurality of first compression springs 84 are arranged between the push plate 7 and the side of the inner wall of the water outlet tank 4 opposite to the reversing wheel 81.

[0042] When the filter cloth 5 has good filtering performance, the water level of the dust removal water in the water outlet tank 4 and the water tank 2 is basically the same, at this time the first floating ball 82 is basically not affected by the buoyancy.

[0043] When the filter cloth 5 is blocked, the water level of the dust removal water in the water tank 2 will gradually rise, and under the action of the buoyancy, the first floating ball 82 pulls the push plate 7 to move away from the filter plate through the pull line 83, and then squeezes the first compression spring 84, so as to store force through the deformation of the first compression spring 84 to the back-pushing movement of the push plate 7.

[0044] With reference to Figure 1 , Figure 2 and Figure 3 , the push plate 7 is provided with a receiving cavity 701, the force release assembly comprises a first winding rod 101 and a second winding rod 102 rotatingly arranged in the receiving cavity 701, the first winding rod 101 is parallel to the second winding rod 102, and the first winding rod 101 is located directly above the second winding rod 102.

[0045] The other end of the pull line 83 first passes around the first winding rod 101, then passes around the second winding rod 102, and then penetrates out from the position close to the bottom of the push plate 7 and is tied with a second floating ball 103, and the second floating ball 103 is located on the side of the push plate 7 facing the filter cloth 5.

[0046] With reference to Figure 1 , Figure 2 andFigure 3 The force relieving assembly further comprises a loose clamping part for loosing the clamping of the pull wire 83 between the first winding rod 101 and the second winding rod 102, a liquid level sensor 12 arranged in the sink 2 and electrically connected to the control system, the loose clamping part comprises a first clamping block 111 and a second clamping block 112 horizontally slidingly arranged in a receiving cavity 701, and the pull wire 83 is arranged in the receiving cavity 701 with the wire body between the first clamping block 111 and the second clamping block 112.

[0047] The side of the second clamping block 112 facing away from the first clamping block 111 faces the filter cloth 5, and the two sides of the first clamping block 111 and the second clamping block 112 opposite to each other are both supported by a second compression spring 113 between the side wall of the receiving cavity 701, a first magnet 117 is embedded on the first clamping block 111, and a second magnet 115 is embedded on the second clamping block 112.

[0048] A second electromagnet 114 is threadedly connected to the inner wall of the water outlet tank 4 opposite to the filter cloth 5, and the second electromagnet 114 is electrically connected to the control system and used for being magnetically attracted to the second magnet 115. A first electromagnet (not shown in the figure) is arranged on the inner wall of the water outlet tank 4 opposite to the filter cloth 5, and the first electromagnet is electrically connected to the control system and used for being magnetically attracted to the first magnet 117.

[0049] Referring to Figure 1 , Figure 2 and Figure 3 When the filter cloth 5 maintains the perfect filtering performance, the first compression spring 84 is basically not affected by the pulling force of the pull wire 83, at this time, the water level of the dust removal water in the sink 2 does not exceed the liquid level sensor 12, the liquid level sensor 12 makes the second magnet 115 be affected by the attractive force of the second electromagnet 114 through the control system, so as to realize the extrusion of the corresponding second compression spring 113, the side of the push plate 7 opposite to the filter cloth 5 has a higher water level, and the second floating ball 103 is at a higher position.

[0050] Referring to Figure 1 , Figure 2 and Figure 3 When the filtering performance of the filter cloth 5 decreases, the continuous water pumping of the water pump 3 will make the water level in the sink 2 rise to exceed the liquid level sensor 12, and the water level in the water outlet tank 4 gradually decreases, and the height of the second floating ball 103 gradually decreases. At this time, the first floating ball 82 starts to float up, the liquid level sensor 12 realizes the power-off of the second electromagnet 114 through the control system, and the second compression spring 113 pushes the first clamping block 111 and the second clamping block 112 to clamp the pull wire 83.

[0051] During the continuous floating process of the first floating ball 82, the first clamping block 111 and the second clamping block 112 maintain the clamping of the pull wire 83, until the attractive force of the first electromagnet to the first magnet 117 makes the first magnet 117 move and realize the extrusion of the corresponding second compression spring 113.

[0052] At this time, the pull wire 83 is in a relaxed state, and the deformation force of the first compression spring 84 pushes the push plate 7 to move quickly towards the filter cloth 5, so as to push the dust-removing water to impact the filter cloth 5, and the dust on the dust-impact surface of the filter cloth 5 can be washed away, so as to realize dredging of the filter cloth 5.

[0053] After that, the water in the water tank 2 flows back to the water outlet tank 4 through the filter cloth 5, and the first floating ball 82 is lowered with the lowering of the liquid level in the water tank 2. The second floating ball 103 floats under the action of the dust-removing water, and re-winds the pull wire 83 on the first winding rod 101 and the second winding rod 102.

[0054] Referring to Figure 1 , Figure 2 and Figure 3 , the first clamping block 111 and the second clamping block 112 are arranged in a wave shape on the opposite side walls, which is beneficial to improve the clamping effect of the first clamping block 111 and the second clamping block 112 on the pull wire 83.

[0055] Referring to Figure 1 , Figure 2 and Figure 3 , the bottom wall of the push plate 7 is in close contact with the inner bottom wall of the water outlet tank 4, the other two vertical side walls of the push plate 7 relative to the filter cloth 5 and the first compression spring 84 are in close contact with the inner wall of the water outlet tank 4, the communication position of the water pump 3 and the water outlet tank 4 is located on the side of the push plate 7 away from the filter cloth 5, and a plurality of through holes 702 are opened between the two sides of the push plate 7 relative to the filter cloth 5 and the first compression spring 84.

[0056] Through the above arrangement, more dust-removing water remains on one side of the push plate 7 relative to the filter cloth 5, and when the push plate 7 pushes the dust-removing water to impact the filter cloth 5, the impact effect is better. Since the aperture of the through hole 702 is small, it will not have a great impact on the backwash of the push plate 7 pushing the dust-removing water.

[0057] The opening of the through hole 702 enables the dust-removing water between the push plate 7 and the filter cloth 5 to flow to the side of the push plate 7 away from the filter plate when the filter cloth 5 is blocked, so as to eliminate the pulling force of the second floating ball 103 on the pull wire 83, thereby improving the pushing effect of the first compression spring 84 on the push plate 7.

[0058] Referring to Figure 1 , Figure 2 and Figure 3 , the water supply pipe 6 is provided with an electromagnetic valve 14 electrically connected to the control system, a branch pipe 15 is communicated on the pipe between the electromagnetic valve 14 and the water pump 3, the branch pipe 15 is communicated with the water outlet pipe, and the communication position of the branch pipe 15 and the water outlet tank 4 is located on the side of the push plate 7 towards the filter cloth 5.

[0059] When the push plate 7 pushes the dust removal water to carry out a back flushing, the worker can close the electromagnetic valve 14, so that the water pump 3 draws the dust removal water on the side of the push plate 7 away from the filter cloth 5 to the push plate 7 and the filter cloth 5 through the branch pipe 15, the second floating ball 103 pulls the pull wire 83 under the action of the buoyancy, so that the push plate 7 can also move away from the filter cloth 5, so that the first compression spring 84 can also realize the second impact on the filter cloth 5 through the push plate 7.

[0060] Although the effect of the second impact is obviously lower than that of the first impact, but still can play a certain effect on the dredging of the filter cloth 5.

[0061] Referring to Figure 1 , Figure 2 and Figure 3 , the baffle 13 is rotationally arranged in the water tank 2 close to the filter cloth 5, the baffle 13 is arranged to be inclined downward along the direction away from the filter cloth 5, and the bottom of the baffle 13 abuts against the inner bottom wall of the water tank 2.

[0062] Referring to Figure 1 , Figure 2 and Figure 3 Figure 1 Figure 2 Figure 3 Figure 1 Figure 2 Figure 3 Figure 1 Figure 2 Figure 3 Figure 1 Figure 2 Figure 3 Figure 1 Figure 2 Figure 3 Figure 1 Figure 2 Figure 3 Figure 1 Figure 2 Figure 3 Figure 1 Figure , when the push plate 7 back flushes the filter cloth 5, the dust on the dust-impinging surface of the filter cloth 5 will be washed down, and the baffle 13 will rotate under the impact of the water flow, and the dust removal water containing a large amount of dust will pass through the gap between the bottom of the baffle 13 and the inner bottom wall of the water tank 2, and then the baffle 13 will rotate back under the action of gravity.

[0063] In the above manner, a large amount of dust is taken away from the filter cloth 5 by the water flow and is limited, so as to reduce the possibility of the dust re-blocking the filter cloth 5.

[0064] The implementation principle of the spray dust remover in the embodiment of the application is as follows:

[0065] The worker starts the water pump 3 and opens the electromagnetic valve 14, the water pump 3 draws the pure dust removal water in the water outlet tank 4 into the water supply pipe 6, and then sprays out through a plurality of nozzles, so as to realize dust reduction on the dust-containing air in the machine body 1. The filter cloth 5 plays a role in intercepting dust, and the dust removal water in the water tank 2 passes through the filter cloth 5 and flows back to the water outlet tank 4.

[0066] When the filter cloth 5 maintains good filtering performance, the first compression spring 84 is basically not subjected to the pulling force of the pull wire 83, at this time the water level of the dust removal water in the water tank 2 does not exceed the liquid level sensor 12, the liquid level sensor 12 makes the second magnet 115 subjected to the attractive force of the second electromagnet 114 through the control system, so as to press the corresponding second compression spring 113, the side of the push plate 7 relative to the filter cloth 5 has a high water level, and the second floating ball 103 is at a high position.

[0067] When the filtering performance of the filter cloth 5 is reduced, the continuous pumping of the water pump 3 will make the water level in the water tank 2 rise to exceed the liquid level sensor 12, and the water level in the water outlet tank 4 gradually decreases, and the height of the second floating ball 103 gradually decreases. At this time, the first floating ball 82 starts to float up, and the liquid level sensor 12 realizes power-off of the second electromagnet 114 through the control system, and the second compression spring 113 pushes the first clamping block 111 and the second clamping block 112 to clamp the pull wire 83.

[0068] During the process of the continuous floating of the first floating ball 82, the first clamping block 111 and the second clamping block 112 keep clamping the pull wire 83, until the suction force of the first electromagnet on the first magnet 117 makes the first magnet 117 move and press the corresponding second compression spring 113.

[0069] At this time, the pull wire 83 is in a relaxed state, and the deformation force of the first compression spring 84 pushes the push plate 7 to move quickly towards the filter cloth 5, so as to push the dust removal water to impact the filter cloth 5, and the dust on the dust-impingement surface of the filter cloth 5 will be washed away, so as to realize the dredging of the filter cloth 5.

[0070] After that, the worker can close the electromagnetic valve 14, so that the water pump 3 can pump the dust removal water on the side of the push plate 7 away from the filter cloth 5 to the space between the push plate 7 and the filter cloth 5 through the branch pipe 15, and the second floating ball 103 pulls the pull wire 83 under the action of the buoyancy, so that the push plate 7 can also move away from the filter cloth 5, so that the first compression spring 84 can also realize the secondary impact on the filter cloth 5 through the push plate 7.

[0071] When the filter cloth 5 is dredged, the water in the water tank 2 flows back to the water outlet tank 4 through the filter cloth 5, and the first floating ball 82 decreases with the decrease of the liquid level in the water tank 2. The second floating ball 103 floats up under the action of the dust removal water, and re-winds the pull wire 83 on the first winding rod 101 and the second winding rod 102.

[0072] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A spray type dust collector comprising a water pump (3) and a water tank (2) provided at the bottom of a body (1), characterized in that: The water tank (2) is communicated with a top-opened water outlet tank (4) on one side, the water outlet tank (4) is provided with a filter cloth (5) at the communicated place with the water tank (2), the water outlet tank (4) is provided with a back flushing assembly for impacting the back dust surface of the filter cloth (5), the water outlet tank (4) is communicated with the water pump (3) and the water outlet end of the water pump (3) is communicated with a water delivery pipe (6); The back flushing assembly comprises a push plate (7) slidingly arranged in the water outlet tank (4), a force storage assembly for pulling the push plate (7) to move away from the filter cloth (5) to realize force storage, and a force releasing assembly for releasing the force storage of the force storage assembly on the push plate (7) to make the push plate (7) push the dust removing water to impact the filter cloth (5); The force storage assembly comprises a reversing wheel (81) arranged on the inner wall of the water outlet tank (4) opposite to the other side of the water tank (2) and a first floating ball (82) located in the water tank (2), the first floating ball (82) is provided with a pull wire (83), the pull wire (83) penetrates into the water outlet tank (4), bypasses the reversing wheel (81) and is arranged on the push plate (7), the push plate (7) and the inner wall of the water outlet tank (4) opposite to the side of the reversing wheel (81) are top supported by a first compression spring (84); The push plate (7) is provided with an accommodating cavity (701), the force releasing assembly comprises a first wire winding rod (101) and a second wire winding rod (102) rotationally arranged in the accommodating cavity (701), one end of the pull wire (83) opposite to the first floating ball (82) firstly bypasses the first wire winding rod (101), then bypasses the second wire winding rod (102), and then penetrates out from the position close to the bottom of the push plate (7) and is connected with a second floating ball (103), the second floating ball (103) is located on the side of the push plate (7) facing the filter cloth (5), and the force releasing assembly further comprises a loose clamping part for realizing loose clamping of the pull wire (83) between the first wire winding rod (101) and the second wire winding rod (102). The loose clamping part comprises a first clamping block (111) and a second clamping block (112) slidingly arranged in the accommodating cavity (701), the wire body of the pull wire (83) is located between the first clamping block (111) and the second clamping block (112) in the accommodating cavity (701), the side of the second clamping block (112) away from the first clamping block (111) faces the filter cloth (5), the two sides of the first clamping block (111) and the second clamping block (112) away from each other are supported by the side walls of the accommodating cavity (701), the inner wall of the water outlet tank (4) on the side opposite to the filter cloth (5) is provided with a second electromagnet (114), the second clamping block (112) is provided with a second magnet (115) for magnetic attraction with the second electromagnet (114), the inner wall of the water outlet tank (4) on the other side opposite to the filter cloth (5) is provided with a first electromagnet, the first clamping block (111) is provided with a first magnet (117) for magnetic attraction with the first electromagnet, the water tank (2) is further provided with a liquid level sensor (12), the liquid level sensor (12), the first electromagnet and the second electromagnet (114) are all electrically connected to the control system, when the first floating ball (82) floats under the action of buoyancy, the liquid level sensor (12) controls the second electromagnet (114) to be powered off.

2. The spray precipitator according to claim 1, characterized in that: The opposite side walls of the first clamping block (111) and the second clamping block (112) are arranged in a wave shape.

3. The spray precipitator according to claim 1, wherein: The bottom wall of the push plate (7) is in close contact with the inner bottom wall of the water outlet tank (4), the two other vertical side walls of the push plate (7) relative to the filter cloth (5) and the first compression spring (84) are in close contact with the inner wall of the water outlet tank (4), the communication part of the water pump (3) and the water outlet tank (4) is located on the side of the push plate (7) away from the filter cloth (5), and a plurality of through holes (702) are formed between the two sides of the push plate (7) relative to the filter cloth (5) and the first compression spring (84).

4. The spray precipitator according to claim 1, wherein: A baffle (13) is rotationally arranged in the water tank (2) close to the filter cloth (5), the baffle (13) is arranged to be inclined downward along the direction away from the filter cloth (5), and the bottom of the baffle (13) abuts against the bottom wall of the water tank (2).

5. The spray precipitator according to claim 1, wherein: The water supply pipe (6) is provided with a solenoid valve (14) electrically connected to the control system, a branch pipe (15) is communicated on the pipe between the solenoid valve (14) and the water pump (3), the branch pipe (15) is communicated with the water outlet tank (4), and the communication part of the branch pipe (15) and the water outlet tank (4) is located on the side of the push plate (7) facing the filter cloth (5).

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