CN109589700B

CN109589700B - Waste heat recycling device

Info

Publication number: CN109589700B
Application number: CN201811640674.2A
Authority: CN
Inventors: 王永杰
Original assignee: Chongqing Hoson Glass Co ltd
Current assignee: Chongqing Hoson Glass Co ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2021-01-01
Anticipated expiration: 2038-12-29
Also published as: CN109589700A

Abstract

The invention relates to the field of glass bottle processing, in particular to a waste heat recycling device, which comprises a smoke exhaust pipe and a heat collecting pipe, wherein the heat collecting pipe is positioned inside the smoke exhaust pipe, a main filter screen is arranged in the smoke exhaust pipe, the waste heat recycling device also comprises a dust box, an air inlet and an air outlet which are communicated with the smoke exhaust pipe, the dust box is positioned below the smoke exhaust pipe, the dust box is rotatably connected with a rotating roller opposite to the air inlet, the rotating roller is provided with fan blades, the rotating roller is coaxially connected with a crankshaft, one side of the main filter screen, which is far away from the heat collecting pipe, is slidably connected with a cleaning mechanism, a connecting rod is connected between the cleaning mechanism and the; the cigarette ash incasement is equipped with the inferior filter screen relative with the air outlet, has inserted stifled needle on the mesh on the inferior filter screen, is connected with the clamp plate that can make stifled needle take out from the mesh of inferior filter screen on stifled needle, and one side sliding connection that main filter screen is close to the thermal-collecting tube has the baffle, and the baffle can offset with the clamp plate. This scheme is convenient for clear up main filter screen.

Description

Waste heat recycling device

Technical Field

The invention relates to the field of glass bottle processing, in particular to a waste heat recycling device.

Background

Glass bottles are common in life, such as beer bottles, beverage bottles and the like made of glass materials. The production process of the glass bottle mainly comprises the steps of raw material preprocessing, batch preparation, melting, molding, heat treatment and the like. The melting step is to heat the glass batch in a tank furnace or a tank furnace at high temperature to form uniform liquid glass without bubbles and meeting the forming requirement.

The heating needs to be completed by burning of coal in the melting process, in order to save energy and improve the conversion rate of heat energy, a heat collecting pipe is inserted into a smoke exhaust pipe at present, and the heat of smoke in the smoke exhaust pipe is transferred to the heat collecting pipe in a heat transfer mode, so that the heat energy is reused, and the situation that the environment is influenced by directly exhausting the smoke with higher temperature into the air can be prevented.

However, because the heat collecting pipe is arranged in the smoke exhaust pipe, the heat collecting pipe occupies part of the space in the smoke exhaust pipe, the gap between the smoke exhaust pipe and the heat collecting pipe is small, smoke contains a large amount of smoke, and the smoke can plug the gap between the heat collecting pipe and the smoke exhaust pipe after a long time, so that the normal flow of the smoke is blocked, and even the smoke in the smoke exhaust pipe can be increased and the explosion danger can also occur because the smoke blocks the flow of the smoke.

For this reason, be equipped with the filter screen in the pipe of discharging fume, but the filter screen has used for a long time, and the smoke and dust on the filter screen also can become much to influence the performance of filter screen, the adsorption efficiency of filter screen reduces, so need carry out regular clearance and maintenance to the filter screen, but the filter screen is arranged in the pipe of discharging fume, and the space of the pipe of discharging fume is narrow and small relatively, need when repairing to discharge fume the pipe and dismantle, consequently, the workman clears up the filter screen and maintains the ratio troublesome, and the operation is inconvenient.

Disclosure of Invention

The invention aims to provide a waste heat recycling device, which is convenient for cleaning a main filter screen.

In order to achieve the purpose, the technical scheme of the invention is as follows: the waste heat recycling device comprises a smoke exhaust pipe and a heat collecting pipe, wherein the heat collecting pipe is positioned inside the smoke exhaust pipe, a main filter screen is arranged in the smoke exhaust pipe, the smoke exhaust pipe also comprises a smoke ash box communicated with the smoke exhaust pipe, an air inlet enabling smoke to enter the smoke ash box from the smoke exhaust pipe and an air outlet enabling the smoke to enter the smoke exhaust pipe from the smoke ash box, the smoke ash box is positioned below the smoke exhaust pipe, the smoke ash box is rotatably connected with a rotating roller opposite to the air inlet, the rotating roller is provided with fan blades and is coaxially connected with a crankshaft, one side of the main filter screen, which is far away from the heat collecting pipe, is slidably connected with a cleaning mechanism, a connecting rod is connected between the cleaning mechanism and the crankshaft, and; the cigarette ash incasement is equipped with the inferior filter screen relative with the air outlet, has inserted stifled needle on the mesh on the inferior filter screen, is connected with the clamp plate that can make stifled needle take out from the mesh of inferior filter screen on stifled needle, and one side sliding connection that main filter screen is close to the thermal-collecting tube has the baffle, and the baffle can offset with the clamp plate.

The working principle of the scheme is as follows: because the heat collecting pipe is positioned in the smoke exhaust pipe, when smoke flows through the smoke exhaust pipe, the heat of the smoke is transferred to the gas in the heat collecting pipe through heat transfer, and the heat collecting pipe transfers the heated gas to other places, thereby realizing the recycling of waste heat in the smoke and saving energy.

At ordinary times, the mesh of inferior filter screen is blocked up by stifled needle, and inferior filter screen can not make gas see through, because inferior filter screen is relative with the air outlet, therefore inferior filter screen plugs up the air outlet, can not form closed route in the cigarette ash box, and the flue gas can't enter into the cigarette ash box from the air intake, and the flue gas can only flow to the thermal-collecting tube direction through main filter screen. The main filter screen is used for filtering the flue gas, reducing the dust amount in the flue gas and preventing the blockage of the gap between the smoke exhaust pipe and the heat collecting pipe.

When the adsorbed smoke and dust on the main filter screen needs to be cleaned, the main filter screen is blocked by the sliding baffle, and the smoke cannot flow to the heat collecting pipe through the main filter screen. Meanwhile, the baffle plate is enabled to abut against the pressing plate in a sliding mode, the pressing plate is pushed to move, the pressing plate drives the blocking needles to move, the blocking needles are drawn out of meshes of the secondary filter screen, the secondary filter screen is in a communicated state, a closed passage is formed between the ash box and the smoke exhaust pipe, smoke enters the ash box from an air inlet of the smoke exhaust pipe, and the smoke is filtered through the secondary filter screen and flows out of an air outlet to the heat collecting pipe. At the moment, the rotating roller in the cigarette ash box rotates under the action of flowing smoke, the rotating roller drives the cleaning mechanism to reciprocate through the crankshaft and the connecting rod, and the cleaning mechanism cleans the main filter screen. In addition, the cleaning mechanism can be a cleaning block, a brush, and the like. The ash box is used for collecting the cleaned ash.

When adopting above-mentioned technical scheme, have following beneficial effect:

1. this scheme need not to dismantle the pipe of discharging fume when clearing up main filter screen, only needs to block main filter screen with the baffle lapse, alright realized the automatic clearance of main filter screen, compares current clearance mode, has improved the efficiency of clearance greatly, and easy operation is convenient.

2. In the main filter screen cleaning process, the rotating roller is driven to rotate through the flow of smoke, and the rotating roller drives the cleaning mechanism to reciprocate through the crankshaft and the connecting rod, so that the main filter screen is automatically cleaned without using additional driving sources such as motors to drive the cleaning mechanism to reciprocate, and the energy is saved. Due to the reciprocating motion of the cleaning mechanism, the cleaning effect of the main filter screen is good each time.

3. When clearing up main filter screen, inferior filter screen is in the state of opening, and the flue gas passes through the ash box and flows to the thermal-collecting tube from inferior filter screen, and the flue gas is in the state that flows all the time to realized in main filter screen clearance in-process, the flue gas still can carry out the heat exchange with the thermal-collecting tube.

4. When the blocking needle is inserted into the meshes of the secondary filter screen, the blocking needle can clean smoke dust accumulated on the meshes of the secondary filter screen, so that the blocking needle can block the meshes of the secondary filter screen and can automatically clean the meshes of the secondary filter screen.

5. Can artificially regularly clear up main filter screen through this scheme, clearance mechanism can not always clear up main filter screen, avoids clearance mechanism to last and main filter screen between the life that reduces main filter screen with mutual friction.

Further, clearance mechanism includes the slider of sliding connection on the inside pipe wall of discharging fume, rotates on the slider to be connected with the cleaning roller, is equipped with a plurality of contact pins on the cleaning roller, and the contact pin is inserted in the mesh of main filter screen. From this, when the connecting rod drove slider reciprocating sliding, the slider drove the cleaning roller and rolls on main filter screen, and the contact pin on the cleaning roller is inserted in the different meshs of main filter screen along with the roll of cleaning roller, and the contact pin can be released the dust in the meshs to make more thorough of main filter screen clearance.

Further, the inside of baffle is equipped with the cavity, and the bottom of baffle is equipped with the opening, and one side that the baffle is close to in main filter screen is equipped with a plurality of one-way doors, and one-way door articulates on the baffle, is equipped with the torsional spring on the one-way door articulated position. When the contact pin was inserted in the mesh of main filter screen, the contact pin can pass the mesh and offset with the one-way door on the baffle, and the one-way door receives the promotion of contact pin and opens to can make the contact pin push into the baffle with cigarette ash, push into the cigarette ash in the baffle and fall into the cigarette ash case through the opening of baffle bottom under the effect of gravity. From this, avoid baffle and main filter screen to paste mutually and plug up the mesh of main filter screen, guarantee that cigarette ash in the main filter screen can normally be pushed away by the contact pin and fall. The torsion spring is used for resetting the one-way door.

Furthermore, a connecting rod hole is arranged on the pipe wall of the smoke exhaust pipe, and the air inlet is positioned on the pipe wall of the smoke exhaust pipe. The connecting rod hole is convenient for the connecting rod to pass through the pipe wall of the smoke exhaust pipe.

Further, the lower side of the secondary filter screen is provided with a sliding plate which is slidably connected in the cigarette ash box, the blocking needle is positioned on the sliding plate, a vertical rod is connected between the sliding plate and the pressing plate, a pressure spring is connected between the bottom of the cigarette ash box and the sliding plate, and the outer side of the pressure spring is sleeved with a telescopic cylinder. From this, when baffle and clamp plate offset, the clamp plate drives the slide through the montant and slides down, and the slide extrudees the pressure spring, and the slide drives stifled needle downstream, and stifled needle separates with the mesh of secondary filter screen. The pressure spring is used for resetting the sliding plate, so that the blocking needle is inserted into the meshes of the secondary filter screen again.

Furthermore, the secondary filter screen is provided with a through hole for the vertical rod to pass through. Therefore, the vertical rod penetrates through the secondary filter screen and is connected with the sliding plate.

Drawings

FIG. 1 is a longitudinal half sectional view of a waste heat recovery device;

FIG. 2 is a top view of the rotating rollers and crankshaft of FIG. 1;

FIG. 3 is a top view of the tube wall of FIG. 1 above the turning rolls;

FIG. 4 is a top view of the secondary filter screen of FIG. 1;

fig. 5 is a schematic half-section view of the baffle of fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a smoke exhaust pipe 1, a heat collecting pipe 2, a baffle 3, a cleaning roller 4, a sliding block 5, a connecting rod 6, a sliding chute 7, a rotating roller 8, a fan blade 9, a main filter screen 10, a pressing plate 11, an air outlet 12, a vertical rod 13, a fixing plate 14, a secondary filter screen 15, a blocking needle 16, a sliding plate 17, a telescopic cylinder 18, a pressure spring 19, an air inlet 20, a connecting rod hole 21, a through hole 22, a mesh 23, a one-way door 24, a torsion spring 25 and a crankshaft 26.

The embodiment is basically as shown in the attached figures 1-5: the waste heat recycling device comprises a smoke exhaust pipe 1 and a heat collecting pipe 2, wherein the heat collecting pipe 2 is located inside the smoke exhaust pipe 1, and a main filter screen 10 located on the left side of the heat collecting pipe 2 is installed in the smoke exhaust pipe 1. The lower part of the smoke exhaust pipe 1 is communicated with a soot box through a bolt, specifically, as shown in fig. 3, the bottom of the smoke exhaust pipe 1 is provided with two air inlets 20 communicated with the soot box at the left side part of the main filter screen 10, and a connecting rod hole 21 is arranged between the two air inlets 20; an air outlet 12 for allowing the flue gas to enter the smoke exhaust pipe 1 from the cigarette ash box is arranged at the position, located on the right side of the main filter screen 10, of the bottom of the smoke exhaust pipe 1. Referring to fig. 2, the inner wall of the ash box is rotatably connected with two rotating rollers 8 through shafts, the two rotating rollers 8 are respectively located under two air inlets 20, a crankshaft 26 is coaxially welded between the two rotating rollers 8, and the rotating rollers 8 are welded with blades 9. The vertical sliding connection in left side of main filter screen 10 has clearance mechanism, and clearance mechanism includes slider 5 of sliding connection on the pipe 1 inner wall of discharging fume, and is concrete, is equipped with spout 7 on the pipe 1's of discharging fume the inner wall, is equipped with the arch of sliding connection in spout 7 on slider 5, and the right side welding of slider 5 has the roller frame, rotates through the round pin axle on the right-hand member of roller frame to be connected with clearance roller 4, is equipped with a plurality of contact pins on the clearance roller 4, and the contact pin is inserted in main filter screen 10's mesh. A connecting rod 6 is connected between the slide block 5 and the connecting rod journal of the crankshaft 26, and two ends of the connecting rod 6 are respectively and rotatably connected to the slide block 5 and the connecting rod journal of the crankshaft 26.

Be equipped with inferior filter screen 15 that is located air outlet 12 in the cigarette ash case, the right-hand member of inferior filter screen 15 passes through the fix with screw on the right side inner wall of cigarette ash case, is connected with fixed plate 14 between the left end of inferior filter screen 15 and the diapire of tub 1 of discharging fume, fixed plate 14 keeps apart other spaces in cigarette ash case with the upper right side space that feeds through in air outlet 12 that fixed plate 14, inferior filter screen 15 and cigarette ash incasement wall are constituteed. The vertical sliding connection in left end of air outlet 12 has the clamp plate 11 that is located inferior filter screen 15 top, and the below of inferior filter screen 15 is equipped with sliding connection at the slide 17 of cigarette ash incasement wall, and the welding has a plurality of stifled needles 16 that can insert on the mesh 23 of inferior filter screen 15 on the slide 17, is connected with montant 13 between slide 17 and the clamp plate 11, and is concrete, and it is shown to combine figure 4, is equipped with the through-hole 22 that makes montant 13 pass on inferior filter screen 15. A pressure spring 19 is connected between the bottom of the ash box and the sliding plate 17, and a telescopic cylinder 18 is sleeved outside the pressure spring 19. One side of the main filter screen 10 close to the heat collecting tube 2 is vertically and slidably connected with a baffle 3, and the bottom of the baffle 3 can be abutted against the pressing plate 11. The top end of the baffle 3 penetrates out of the top of the smoke exhaust pipe 1. Referring to fig. 5, a cavity is formed inside the baffle 3, an opening communicated with the cigarette ash box is formed in the bottom of the baffle 3, a plurality of one-way doors 24 are arranged on the left side face of the baffle 3, the one-way doors 24 are hinged to the baffle 3, torsion springs 25 are arranged at the hinged positions of the one-way doors 24, and the one-way doors 24 can be attached to the main filter screen 10.

The specific implementation process is as follows: initially, the flue gas generated by coal combustion is introduced from the left end of the smoke exhaust pipe 1. The blocking needles 16 are inserted into the meshes 23 of the secondary filter screen 15, the secondary filter screen 15 is in a closed state, and the secondary filter screen 15 blocks the air outlet 12, so that the smoke cannot flow out of the air outlet 12, the cigarette ash box is in a state of being disconnected from the smoke exhaust pipe 1, and the smoke cannot enter the cigarette ash box from the air inlet 20 at the bottom of the smoke exhaust pipe 1 and flow out of the air outlet 12 to form air flow. The flue gas can only the level flow right through main filter screen 10, and main filter screen 10 filters the flue gas, and main filter screen 10 filters the dust on the flue gas, and gas after the filtration flows from the thermal-collecting tube 2 and the clearance between the pipe 1 of discharging fume, and hot gas gives thermal-collecting tube 2 with heat transfer, and thermal-collecting tube 2 is indoor with the heat transfer of collecting to the glass bottle label to the realization utilizes the waste heat to paste the label on the glass bottle, has realized the recycle of waste heat.

As the main filter screen 10 is used for a longer time, smoke on the main filter screen 10 is increased, so that the smoke on the main filter screen 10 needs to be cleaned. During the clearance, press down baffle 3, baffle 3 glides downwards, and baffle 3 plugs up main filter screen 10, and the bottom of baffle 3 offsets with clamp plate 11, and clamp plate 11 is pushed down to the bottom of baffle 3, and clamp plate 11 moves down, and clamp plate 11 drives slide 17 downstream through montant 13, and slide 17 drives stifled needle 16 and extracts from the mesh 23 of inferior filter screen 15 to make inferior filter screen 15 be in the state of intercommunication. At this time, a closed passage is formed between the soot box and the smoke exhaust pipe 1, the smoke enters the soot box from the air inlet 20 at the bottom of the smoke exhaust pipe 1, flows into the smoke exhaust pipe 1 from the soot box through the filtering of the secondary filter screen 15 and the air outlet 12 in sequence, and then flows to the heat collecting pipe 2 rightward. When the flue gas flows downwards from the air inlet 20, the airflow of the flue gas acts on the fan blades 9 of the rotating roller 8, the flue gas blows the rotating roller 8 to rotate, the rotating roller 8 drives the crankshaft 26 to rotate, the crankshaft 26 drives the sliding block 5 to move up and down in a reciprocating mode through the connecting rod 6, and the sliding block 5 drives the cleaning roller 4 to move vertically in a reciprocating mode through the roller frame, so that the cleaning roller 4 cleans the main filter screen 10. In the rolling process of the cleaning roller 4, the contact pins on the cleaning roller 4 are inserted into the meshes of different main filter screens 10 along with the rolling of the cleaning roller 4, the contact pins on the cleaning roller 4 penetrate through the meshes of the main filter screens 10 and are abutted against the one-way door 24 on the baffle 3, the one-way door 24 rotates anticlockwise, the one-way door 24 is opened, the contact pins push dust on the meshes of the main filter screens 10 into the baffle 3 through the opened one-way door 24, and the dust in the baffle 3 falls into the cigarette ash box through the opening at the bottom of the baffle 3 under the action of gravity. Thereby, the cleaning of the soot on the main filter 10 is achieved.

After main filter screen 10 finishes the clearance, make upwards pulling baffle 3, make baffle 3 reset, the bottom and the clamp plate 11 separation of baffle 3, slide 17 resets under the spring action of pressure spring 19 and the rebound, slide 17 drives clamp plate 11 rebound through montant 13, the stifled needle 16 on slide 17 reinserts in the mesh 23 on secondary filter screen 15, make secondary filter screen 15 stop up, secondary filter screen 15 stops up air outlet 12 once more, thereby make cigarette ash box and tub 1 do not communicate of discharging fume, the flue gas is no longer through cigarette ash box flow to thermal-collecting tube 2, the flue gas resumes the horizontal flow state again, the flue gas flows to thermal-collecting tube 2 through main filter screen 10.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various changes and modifications without departing from the concept of the present invention, and these should be construed as the scope of protection of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.

Claims

1. Waste heat recovery utilizes device, including the pipe and the heat collecting pipe of discharging fume, the heat collecting pipe is located the inside of discharging fume the pipe, the intraductal main filter screen that is equipped with of discharging fume, its characterized in that: the smoke dust box is positioned below the smoke exhaust pipe, a rotating roller opposite to the air inlet is connected in the smoke dust box in a rotating mode, blades are arranged on the rotating roller, a crankshaft is coaxially connected on the rotating roller, a cleaning mechanism is connected to one side, away from the heat collecting pipe, of the main filter screen in a sliding mode, a connecting rod is connected between the cleaning mechanism and the crankshaft, and two ends of the connecting rod are respectively connected to the cleaning mechanism and the crankshaft in a rotating mode; a secondary filter screen opposite to the air outlet is arranged in the cigarette ash box, blocking needles are inserted into meshes on the secondary filter screen, a pressing plate capable of enabling the blocking needles to be drawn out of the meshes of the secondary filter screen is connected onto the blocking needles, a baffle is connected to one side, close to the heat collecting pipe, of the main filter screen in a sliding mode, and the baffle can abut against the pressing plate; a sliding plate connected in a sliding manner in the cigarette ash box is arranged below the secondary filter screen, the blocking needle is positioned on the sliding plate, a vertical rod is connected between the sliding plate and the pressing plate, a pressure spring is connected between the bottom of the cigarette ash box and the sliding plate, and a telescopic cylinder is sleeved on the outer side of the pressure spring;

during the clearance, the bottom of baffle pushes down the clamp plate, and the clamp plate moves down, and the clamp plate passes through the montant and drives the slide downstream, and the slide drives stifled needle and extracts from the mesh of inferior filter screen to make inferior filter screen be in the state of intercommunication.

2. The waste heat recovery device according to claim 1, characterized in that: the cleaning mechanism comprises a sliding block which is connected to the inner wall of the smoke exhaust pipe in a sliding mode, a cleaning roller is connected to the sliding block in a rotating mode, a plurality of contact pins are arranged on the cleaning roller, and the contact pins are inserted into the mesh holes of the main filter screen.

3. The waste heat recovery device according to claim 2, characterized in that: the inside of baffle is equipped with the cavity, and the bottom of baffle is equipped with the opening, and one side that the baffle is close to in main filter screen is equipped with a plurality of one-way doors, one-way door hinge connects on the baffle, is equipped with the torsional spring on the one-way door articulated position.

4. The waste heat recovery device according to any one of claims 1 to 3, characterized in that: the pipe wall of the smoke exhaust pipe is provided with a connecting rod hole, and the air inlet is positioned on the pipe wall of the smoke exhaust pipe.

5. The waste heat recovery device according to claim 1, characterized in that: and the secondary filter screen is provided with a through hole for the vertical rod to pass through.