CN218480632U

CN218480632U - Device for recovering high-temperature flue gas waste heat after oxidative pyrolysis of ultralow-concentration gas

Info

Publication number: CN218480632U
Application number: CN202222152744.8U
Authority: CN
Inventors: 倪莎; 蒋衔武
Original assignee: Shandong Zhaoneng Energy New Technology Co ltd
Current assignee: Shandong Zhaoneng Energy New Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-02-14
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to a gas heat recovery technical field specifically is a high temperature flue gas waste heat recovery device behind ultralow concentration gas oxidative pyrolysis. The utility model discloses, including sealed box, sealed box's last fixed surface is connected with heat transfer pipe, sealed box's fixed surface is connected with the control screen, the fixed surface of sealed box is close to the fixed position of lower surface and is connected with the water inlet, sealed box's surface is close to the one end fixedly connected with delivery port of water inlet, sealed box's rear surface is equipped with adjusts the structure, it includes two sets of fixed blocks altogether to adjust the structure, one side and sealed box fixed connection of fixed block, two sets of spouts altogether have been seted up to sealed box's both sides, the one end and the fixed block fixed connection of spout, the opposite side of fixed block rotates and is connected with the fixture block, the fixed surface of fixed block is connected with spacing axle. The problem of gas heat recovery case when heat recovery, the heat exchange tube decay is inconvenient to be changed is solved.

Description

Device for recovering high-temperature flue gas waste heat after oxidative pyrolysis of ultralow-concentration gas

Technical Field

The utility model relates to a gas heat recovery technical field especially relates to a high temperature flue gas waste heat recovery device behind super low concentration gas oxidation pyrolysis.

Background

The gas heat recovery box is composed of a sealed box body, a heat transfer pipe, a control screen, a water inlet and a water outlet, and is used for recovering the waste heat of gas pyrolysis smoke in the field of gas pyrolysis.

When using gas heat recovery case to carry out the recovery of pyrolysis flue gas waste heat among the prior art, because the heat exchange tube in the heat recovery incasement can carry out the efficiency decay according to the use degree, can lead to the efficiency of heat transfer to descend, and the inconvenient change of heat exchange tube to the not good problem of effect of heat recovery appears.

In order to solve the problem that the efficiency of the heat exchange tube is reduced when the gas heat recovery box is used for recovering the pyrolysis flue gas waste heat, the sealing box body is disassembled from the upper part in the prior art, the heat transmission tube is disassembled in the lump, the heat tube is replaced, but the sealing box body is disassembled and then installed to cause poor sealing performance, the high-temperature flue gas is excessive, and the problem that the working efficiency of the gas heat recovery box is reduced is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the heat exchange tube attenuation is inconvenient to be changed when having gas heat recovery case among the prior art in heat recovery, and the super low concentration gas oxidation pyrolysis back high temperature flue gas waste heat recovery device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high temperature flue gas waste heat recovery device behind super low concentration gas oxidation pyrolysis, includes sealed box, sealed box's last fixed surface is connected with heat transfer pipe, sealed box's fixed surface is connected with the control panel, sealed box's surface is close to the fixedly connected with water inlet of lower surface, sealed box's surface is close to the one end fixedly connected with delivery port of water inlet, sealed box's rear surface is equipped with adjusts the structure, it includes two sets of fixed blocks altogether to adjust the structure, one side and sealed box fixed connection of fixed block, two sets of spouts altogether have been seted up to sealed box's both sides, the one end and the fixed block fixed connection of spout, the opposite side of fixed block rotates and is connected with the fixture block, the fixed surface of fixed block is connected with spacing axle, the inner wall sliding connection of spout has the slider, one side and the spacing sliding connection of slider, the opposite side and the back shroud fixed connection of slider, the fixed surface of back shroud is connected with the bottom plate, the last fixed surface fixedly connected with fixed axle of bottom plate has the fixed axle, the arc surface cover of fixed axle has the heat exchange tube, the last surface threaded connection of fixed axle has the plectane.

The effect that above-mentioned part reaches is: when having reached and needing to change after the heat exchange tube efficiency decay, can outwards dial out the fixture block, the fixture block is fixed with the slider joint, pulls out the back shroud after dialling open, drives the slider roll-off in the spout to the screw thread rotates the plectane, back screwing out the plectane, can take out the effect of changing with the heat exchange tube of cover at the fixed axle arc surface, thereby makes the change of heat exchange tube more convenient.

Preferably, the arc surface of the limiting shaft is sleeved with a spring, and two ends of the spring are respectively and fixedly connected with the fixed block and the sliding block.

The effect that above-mentioned part reaches is: the effect that the rear cover plate can be driven to return to the right position quickly can be achieved by pulling out the clamping block, pulling out the rear cover plate outwards, driving the sliding block to slide in the sliding groove, stretching the spring, loosening the rear cover plate after the heat exchange tube is replaced, and enabling the spring to contract and rebound.

Preferably, the upper surface of the sealing box body is fixedly connected with a rectangular block, and the upper surface of the rectangular block is connected with a T-shaped plate in a sliding mode.

The effect that above-mentioned part reaches is: the effect that the T-shaped plate can slide downwards after the rear cover plate is covered and the clamping block is rotated to fix the rear cover plate is achieved, and the rear surface of the rear cover plate is clamped by the T-shaped plate to fix the rear cover plate, so that the box body is better in fixed sealing effect.

Preferably, the surface of the rear cover plate is fixedly connected with a sealing gasket, and the size of the sealing gasket is matched with the size of the rear opening of the sealing box body.

The effect that above-mentioned part reaches is: after the rear cover plate is covered, the sealing gasket fixed on the surface of the rear cover plate can effectively seal the sealing box body, so that the overflow of the heat of gas smoke is avoided.

Preferably, one side that the surface of sealed box is close to the water inlet is equipped with protective structure, protective structure includes the pivot, the both ends of pivot are rotated with sealed box and are connected, the arc surface fixedly connected with protective cover of pivot, two rubber packing rings of inner wall fixedly connected with of protective cover, rubber packing ring's size and water inlet and delivery port size looks adaptation, the lower extreme fixedly connected with metal block that the surface of sealed box is close to the delivery port.

The effect that above-mentioned part reaches does: when having reached and need not using water inlet and delivery port, can rotate the protective cover downwards and cover it, two rubber packing rings that the protective cover inner wall is fixed can effectively protect water inlet and delivery port, avoid the inside effect of intaking of box.

Preferably, the upper surface of the protective cover is fixedly connected with a magnet, and the magnet can be adsorbed on the metal block.

The effect that above-mentioned part reaches is: when the protective cover is covered, the magnet is adsorbed on the surface of the metal block to fix the metal block.

Preferably, the upper surface of the metal block is provided with a groove, the inner wall of the groove is clamped with a cleaning handle, and the size of the cleaning handle is matched with the size of the water inlet and the water outlet.

The effect that above-mentioned part reaches does: the inner wall that can use the clean handle in the metal block surface recess to rotate clean water inlet and delivery port has been reached, prevents the remaining effect of water.

To sum up, the beneficial effects of the utility model are that:

the utility model discloses in, flue gas heat recovery after carrying out gas oxidation pyrolysis, after the decay of heat exchange tube efficiency, when needing to change the heat pipe, can extract the T shaped plate of sealed box upper surface at first, the T shaped plate is extracted the back, can stir the fixture block, the fixture block is fixed with the slider joint, dial four fixture blocks back completely, the slider can slide in the spout, stimulate the back shroud this moment, it slides in the spout to drive the slider, the slider slides at spacing axle arc surface simultaneously, it is tensile to drive the spring, pull out the back shroud completely, can rotate the plectane, the plectane rotates at fixed axle upper surface screw thread, screw thread rotation back, can take out the heat exchange tube of cover on the fixed axle arc surface, take out and change new heat exchange tube, embolia the heat exchange tube after the fixed axle, the screw thread rotation plectane is fixed, and impel the back shroud inwards, the sealed pad on back shroud surface can effectively seal the box, avoid gaseous excessive, with the back shroud impel completely, stir fixture block fixed slider, and the fixed back shroud of downward slip T shaped plate, can accomplish sealed fixedly. Through setting up the regulation structure, reached and used the slider to drive the back shroud roll-off to change the heat exchange tube of fixed axle arc surface, inwards impel at last and cover the back shroud, use the fixture block to carry out fixed effect, thereby make the work efficiency of heat exchange tube in the heat recovery case higher.

The utility model discloses in, when need not using water inlet and delivery port, can at first take out the clean handle of joint in the metal block upper surface recess, use clean handle to rotate clean water inlet and delivery port inner wall, finish the clean moisture that remains of inner wall, and in putting back the recess with clean handle, can rotate the protective cover downwards this moment, make the protective cover rotate and get off and cover water inlet and delivery port completely, the fixed rubber packing ring of protective cover inner wall can effectively protect water inlet and delivery port, protective cover fixed surface's magnet can effectively adsorb the effect of going on fixing on the metal block surface. Through setting up protective structure, reached and used the protective cover to protect water inlet and delivery port to use clean water inlet and delivery port of clean handle, avoid remaining of water, prevent the inside effect that gets into the dust of sealed box simultaneously.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic rear view of the present invention;

fig. 3 is a schematic perspective view of the adjusting structure of the present invention;

fig. 4 is a schematic perspective view of a part of the adjusting structure of the present invention;

fig. 5 is a schematic perspective view of the protection structure of the present invention.

Illustration of the drawings: 1. sealing the box body; 2. a heat transfer pipe; 3. a control screen; 4. a water inlet; 5. a water outlet; 6. an adjustment structure; 601. a fixed block; 602. a chute; 603. a clamping block; 604. a limiting shaft; 605. a slider; 606. a rear cover plate; 607. a base plate; 608. a fixed shaft; 609. a heat exchange pipe; 610. a circular plate; 611. a spring; 612. a rectangular block; 613. a T-shaped plate; 614. a gasket; 7. a protective structure; 71. a rotating shaft; 72. a protective cover; 73. a rubber gasket; 74. a metal block; 75. a magnet; 76. a groove; 77. the handle is cleaned.

Detailed Description

Referring to fig. 1, the utility model provides a technical scheme: the utility model provides a high temperature flue gas waste heat recovery device behind oxidation pyrolysis of ultralow concentration gas, including sealed box 1, the last fixed surface of sealed box 1 is connected with heat transfer pipe 2, the fixed surface of sealed box 1 is connected with control panel 3, the fixed surface in position that the surface of sealed box 1 is close to the lower surface is connected with water inlet 4, the surface of sealed box 1 is close to the one end fixedly connected with delivery port 5 of water inlet 4, the rear surface of sealed box 1 is equipped with adjusts structure 6, one side that the surface of sealed box 1 is close to water inlet 4 is equipped with protective structure 7.

The specific arrangement and function of the adjustment structure 6 and the shielding structure 7 will be described in detail below.

Referring to fig. 2, fig. 3 and fig. 4, in the present embodiment: the adjusting structure 6 comprises two fixing blocks 601, two sliding grooves 602 are formed in two sides of the sealing box body 1, one end of each sliding groove 602 is fixedly connected with the corresponding fixing block 601, the other side of each fixing block 601 is rotatably connected with a corresponding clamping block 603, a limiting shaft 604 is fixedly connected to the surface of each fixing block 601, a sliding block 605 is slidably connected to the inner wall of each sliding groove 602, one side of each sliding block 605 is slidably connected with the corresponding limiting shaft 604, the other side of each sliding block 605 is fixedly connected with a rear cover plate 606, a bottom plate 607 is fixedly connected to the surface of the corresponding rear cover plate 606, a fixing shaft 608 is fixedly connected to the upper surface of the corresponding bottom plate 607, a heat exchange tube 609 is sleeved on the arc surface of the fixing shaft 608, and a circular plate 610 is connected to the upper surface of the fixing shaft 608 in a threaded mode. The effect that above-mentioned part reaches is: when the heat exchange tube 609 needs to be replaced after the efficiency of the heat exchange tube 609 is reduced, the clamping block 603 can be pulled outwards, the sliding block 605 is clamped and fixed by the clamping block 603, the rear cover plate 606 is pulled out after the sliding block 605 is pulled out, the sliding block 605 is driven to slide out of the sliding groove 602, the circular plate 610 is rotated through threads, and the heat exchange tube 609 sleeved on the arc surface of the fixed shaft 608 can be taken out and replaced after the circular plate 610 is screwed out, so that the heat exchange tube 609 can be replaced more conveniently.

Wherein, the arc surface of the spacing axle 604 is sleeved with a spring 611, and both ends of the spring 611 are respectively fixedly connected with the fixed block 601 and the sliding block 605. The effect that above-mentioned part reaches does: when the clamping block 603 is pulled out, the rear cover plate 606 is pulled out outwards, and the sliding block 605 is driven to slide in the sliding groove 602, the spring 611 is stretched, after the heat exchange tube 609 is replaced, the rear cover plate 606 is loosened, and the spring 611 contracts and rebounds, so that the rear cover plate 606 can be driven to return to the right position quickly. The upper surface of the sealed box body 1 is fixedly connected with a rectangular block 612, and the upper surface of the rectangular block 612 is connected with a T-shaped plate 613 in a sliding manner. The effect that above-mentioned part reaches is: the effect that after the rear cover plate 606 is covered and the clamping block 603 is rotated to fix the box body, the T-shaped plate 613 can slide downwards and is clamped into the rear surface of the rear cover plate 606 by the T-shaped plate 613 to fix is achieved, and therefore the fixing and sealing effect of the box body is better. Then, a gasket 614 is fixedly connected to the surface of the rear cover 606, and the size of the gasket 614 is matched with the size of the rear opening of the sealed case 1. The effect that above-mentioned part reaches does: after the rear cover plate 606 is covered, the sealing gasket 614 fixed on the surface of the rear cover plate 606 can effectively seal the sealing box body 1, so that the overflow of the heat of the gas smoke is avoided.

Referring to fig. 5, in the present embodiment: protective structure 7 includes pivot 71, and the both ends of pivot 71 are rotated with sealed box 1 and are connected, and the arc surface fixedly connected with protective cover 72 of pivot 71, two rubber packing rings 73 of inner wall fixedly connected with of protective cover 72, the size and the water inlet 4 of

rubber packing ring

73 and 5 size looks adaptations of delivery port, the lower extreme fixedly connected with metal block 74 that the surface of sealed box 1 is close to delivery port 5. The effect that above-mentioned part reaches is: when water inlet 4 and delivery port 5 need not be used, can rotate protective cover 72 downwards and cover it, two rubber gaskets 73 that the protective cover 72 inner wall is fixed can effectively protect water inlet 4 and delivery port 5, avoid the inside effect of intaking of box. Wherein, the upper surface of the protective cover 72 is fixedly connected with a magnet 75, and the magnet 75 can be attracted with the metal block 74. The effect that above-mentioned part reaches is: the effect that the magnet 75 is attracted to the surface of the metal block 74 to be fixed when the protective cover 72 is covered is achieved. Finally, the upper surface of the metal block 74 is provided with a groove 76, the inner wall of the groove 76 is clamped with a cleaning handle 77, and the size of the cleaning handle 77 is matched with the sizes of the water inlet 4 and the water outlet 5. The effect that above-mentioned part reaches is: the effect of preventing water residue can be achieved by rotating the inner walls of the water inlet 4 and the water outlet 5 by using the cleaning handle 77 in the groove 76 on the surface of the metal block 74.

The working principle is that after the oxidative pyrolysis of the gas and the heat recovery of the flue gas are carried out, and the heat exchange tube 609 has reduced efficiency, when the heat exchange tube 609 needs to be replaced, the T-shaped plate 613 on the upper surface of the sealed box body 1 can be firstly pulled out, the T-shaped plate 613 can be pulled out, the fixture block 603 and the slide block 605 are clamped and fixed, after the four fixture blocks 603 are completely pulled out, the slide block 605 can slide in the slide groove 602, at the moment, the rear cover plate 606 is pulled to drive the slide block 605 to slide in the slide groove 602, meanwhile, the slide block 605 slides on the arc surface of the limiting shaft 604 to drive the spring 611 to stretch, after the rear cover plate 606 is completely pulled out, the circular plate 610 can be rotated, the circular plate 610 rotates on the upper surface of the fixing shaft 608 in a threaded mode, after the circular plate 610 is completely screwed out, the heat exchange tube 609 sleeved on the arc surface of the fixing shaft 608 can be taken out, the heat exchange tube 609 is taken out and replaced by a new heat exchange tube 609, after the heat exchange tube 609 is sleeved into the fixing shaft 608, the circular plate 610 is rotated in the threaded mode to be fixed and pushed inwards to push the rear cover plate 606, the sealing gasket 614 on the surface of the rear cover plate 606 can effectively seal the box body 1 to prevent gas from overflowing, after the rear cover plate 606 is completely pushed in, the clamping block 603 is pulled to fix the sliding block 605, the T-shaped plate 613 slides downwards to fix the rear cover plate 606, and sealing and fixing can be achieved. Through setting up adjustment structure 6, reached and used slider 605 to drive back shroud 606 roll-off to change the heat exchange tube 609 of fixed axle 608 arc surface, inwards impel at last and cover back shroud 606, use fixture block 603 to carry out the effect fixed, thereby make the work efficiency of heat exchange tube 609 in the heat recovery case higher.

When need not use water inlet 4 and delivery port 5, can take out the clean handle 77 of joint in the metal block 74 upper surface recess 76 at first, use clean handle 77 to rotate

clean water inlet

4 and 5 inner walls of delivery port, finish the remaining moisture of inner wall is clean, and put back recess 76 with clean handle 77 in, can rotate protective cover 72 downwards this moment, make protective cover 72 rotate and get off and cover water inlet 4 and delivery port 5 completely, the fixed rubber packing ring 73 of protective cover 72 inner wall can effectively protect water inlet 4 and delivery port 5, protective cover 72 fixed surface's magnet 75 can effectively adsorb and carry out fixed effect on metal block 74 surface. Through setting up protective structure 7, reached and used protective cover 72 to protect water inlet 4 and delivery port 5 to use clean handle 77 clean water inlet 4 and delivery port 5, avoid remaining of water, prevent the inside effect that gets into the dust of sealed box 1 simultaneously.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims

1. The utility model provides a high temperature flue gas waste heat recovery device behind gaseous oxidation pyrolysis of ultralow concentration gas, includes sealed box (1), its characterized in that: the upper surface of the sealed box body (1) is fixedly connected with a heat transfer pipe (2), the surface of the sealed box body (1) is fixedly connected with a control screen (3), the position of the surface of the sealed box body (1) close to the lower surface is fixedly connected with a water inlet (4), one end of the surface of the sealed box body (1) close to the water inlet (4) is fixedly connected with a water outlet (5), the rear surface of the sealed box body (1) is provided with an adjusting structure (6), the adjusting structure (6) comprises two groups of fixing blocks (601), one side of each fixing block (601) is fixedly connected with the sealed box body (1), two groups of sliding grooves (602) are arranged on two sides of the sealed box body (1), one end of each sliding groove (602) is fixedly connected with the fixing block (601), the other side of each fixing block (601) is rotatably connected with a clamping block (603), the surface of each fixing block (601) is fixedly connected with a limiting shaft (604), the inner wall of each sliding groove (602) is slidably connected with a sliding block (605), one side of each sliding block (604) is slidably connected with a limiting shaft (608), the other side of each sliding block (606) is fixedly connected with a rear cover plate (606), the bottom plate (607) is fixedly connected with a bottom plate (607), and the upper surface of the rear cover plate (606) is fixedly connected with a fixed shaft (607), the heat exchange tube (609) is sleeved on the arc surface of the fixed shaft (608), and a circular plate (610) is connected to the upper surface of the fixed shaft (608) in a threaded mode.

2. The device for recovering the waste heat of the high-temperature flue gas generated after the oxidative pyrolysis of the ultralow-concentration gas as claimed in claim 1, wherein: the arc surface of the limiting shaft (604) is sleeved with a spring (611), and two ends of the spring (611) are fixedly connected with the fixing block (601) and the sliding block (605) respectively.

3. The device for recovering the waste heat of the high-temperature flue gas generated after the oxidative pyrolysis of the ultralow-concentration gas as claimed in claim 1, wherein: the upper surface of the sealing box body (1) is fixedly connected with a rectangular block (612), and the upper surface of the rectangular block (612) is connected with a T-shaped plate (613) in a sliding mode.

4. The device for recovering the waste heat of the high-temperature flue gas generated after the oxidative pyrolysis of the ultralow-concentration gas as claimed in claim 1, wherein: the surface of the rear cover plate (606) is fixedly connected with a sealing gasket (614), and the size of the sealing gasket (614) is matched with the size of the rear opening of the sealing box body (1).

5. The device for recovering the waste heat of the high-temperature flue gas generated after the oxidative pyrolysis of the ultralow-concentration gas as claimed in claim 1, wherein: one side that the surface of sealed box (1) is close to water inlet (4) is equipped with protective structure (7), protective structure (7) are including pivot (71), the both ends of pivot (71) rotate with sealed box (1) and are connected, the arc surface fixedly connected with protective cover (72) of pivot (71), two rubber packing rings (73) of inner wall fixedly connected with of protective cover (72), the size and water inlet (4) and delivery port (5) size looks adaptation of rubber packing ring (73), the lower extreme fixedly connected with metal block (74) that the surface of sealed box (1) is close to delivery port (5).

6. The device for recovering the waste heat of the high-temperature flue gas generated after the oxidative pyrolysis of the ultralow-concentration gas as claimed in claim 5, wherein: the upper surface of protective cover (72) is fixedly connected with magnet (75), magnet (75) can adsorb with metal block (74).

7. The device for recovering the waste heat of the high-temperature flue gas generated after the oxidative pyrolysis of the ultralow-concentration gas as claimed in claim 5, wherein: the upper surface of the metal block (74) is provided with a groove (76), the inner wall of the groove (76) is clamped with a cleaning handle (77), and the size of the cleaning handle (77) is matched with the sizes of the water inlet (4) and the water outlet (5).