CN218095993U

CN218095993U - Boiler flue gas heat recovery device

Info

Publication number: CN218095993U
Application number: CN202221519006.6U
Authority: CN
Inventors: 吕军涛; 吕剑宇; 李银凯; 吕遵琪
Original assignee: Shengli Oilfield Tianzheng Industry And Trade Co ltd
Current assignee: Shengli Oilfield Tianzheng Industry And Trade Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-12-20
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a boiler flue gas heat recovery device relates to boiler waste heat utilization technical field, including the recovery unit body, the top fixedly connected with gas-supply pipe of recovery unit body, the side fixedly connected with raceway of recovery unit body, the top fixedly connected with filtering mechanism of recovery unit body, the one end fixedly connected with coupling mechanism of raceway. The utility model discloses a rose box, the intake pipe, the neutralization chamber, the conveyer pipe, the lime cotton net, the activated carbon net, mutually support between the ion filter net, flue gas after the heat recovery, can enter into the neutralization chamber through the intake pipe, can carry out neutralization to the acid-base material in the flue gas through the neutralizing liquid, later under the transport of conveyer pipe, the lime cotton net can flow, activated carbon net and ion filter net, thereby can filter and adsorb the harmful substance in the flue gas, flue gas's normal emission has been guaranteed, the environment has been avoided receiving the pollution.

Description

Boiler flue gas heat recovery device

Technical Field

The utility model relates to a boiler waste heat utilization technical field, concretely relates to boiler flue gas heat recovery unit.

Background

The boiler is an energy conversion device, and in the time of the in-service use, can use boiler flue gas heat reclamation device, carry out recycle to the waste heat of boiler flue gas, be used for going into the water of boiler and preheat in advance, made things convenient for the use of boiler, avoid the waste of heat energy.

The following problems exist in the prior art:

1. when the existing boiler flue gas heat recovery device is used, cooled flue gas is directly discharged, and the flue gas of the boiler contains elements harmful to pollution, so that the surrounding environment is polluted;

2. when the existing boiler flue gas heat recovery device is used, the connection of a water channel pipeline is inconvenient, the connection efficiency is slow, the connection effect is not good enough, water leakage is easy to occur, and water waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a boiler flue gas heat recovery device to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a boiler flue gas heat recovery unit, includes the recovery unit body, the top fixedly connected with gas-supply pipe of recovery unit body, the side fixedly connected with raceway of recovery unit body, the top fixedly connected with filter mechanism of recovery unit body, the one end fixedly connected with coupling mechanism of raceway.

The filter mechanism comprises a filter box, the filter box is fixedly connected to the top of the recovery device body, an air inlet pipe is fixedly connected to the bottom end of the interior of the filter box, a neutralization chamber is formed in the interior of the filter box, one end of the air inlet pipe extends to the interior of the neutralization chamber, and a conveying pipe is arranged at the top of the neutralization chamber.

The connecting mechanism comprises a connecting sleeve, the connecting sleeve is fixedly connected to one end of the water conveying pipe, a sealing mechanism is fixedly connected to the inside of the connecting sleeve, and a driving gear ring is movably connected to the side face of the connecting sleeve.

The utility model discloses technical scheme's further improvement lies in: the inside top fixedly connected with lime cotton net of rose box, the top fixedly connected with activated carbon net of lime cotton net, the top fixedly connected with ion filter screen of activated carbon net.

By adopting the technical scheme, the lime cotton net, the activated carbon net and the ion filter screen in the scheme are matched with each other, so that harmful substances in flue gas can be filtered and adsorbed.

The utility model discloses technical scheme's further improvement lies in: the inboard meshing of drive ring gear is connected with the drive wheel, the side fixedly connected with dwang of drive wheel, the side swing joint of dwang has the lifter plate.

Adopt above-mentioned technical scheme, mutually supporting between drive wheel, dwang, the lifter plate in this scheme can drive the dwang through the drive wheel and rotate to make the lifter plate reciprocate, made things convenient for the pipeline to the water route to fix.

The utility model discloses technical scheme's further improvement lies in: the lifting plate is characterized in that a fixed spring is arranged inside the lifting plate, ejector blocks are arranged at two ends of the fixed spring, and the ejector blocks are movably connected to two sides of the lifting plate.

Adopt above-mentioned technical scheme, mutually support between fixed spring, the kicking block in this scheme to the convenience is restricted the position of lifter plate, has made things convenient for the fixed of pipeline.

The utility model discloses technical scheme's further improvement lies in: the sealing mechanism comprises a sealing ring, the sealing ring is fixedly connected inside the connecting sleeve, the middle of the sealing ring is movably connected with an extrusion plate, and a jacking spring is arranged on the left side of the extrusion plate.

By adopting the technical scheme, the sealing ring, the extrusion plate and the jacking spring in the scheme are matched with each other, so that the connected pipelines are conveniently sealed.

The utility model discloses technical scheme's further improvement lies in: the right side of the top of the extrusion plate is fixedly connected with a pull rod, the side face of the pull rod is fixedly connected with a sliding block, the side face of the sliding block is movably connected with a moving block, and one end of the moving block is fixedly connected with a sealing pad.

By adopting the technical scheme, the pull rod, the slide block, the moving block and the sealing gasket in the scheme are matched with each other, so that the sealing effect on the pipeline is better.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a boiler flue gas heat recovery unit, through the rose box, an air inlet pipe, the neutralization chamber, the conveyer pipe, the lime cotton net, the activated carbon net, mutually support between the ion filter net, flue gas after heat recovery, can enter into the neutralization chamber through the intake pipe, can carry out neutralization to the acid-base material in the flue gas through neutralizing liquid, later under the transport of conveyer pipe, the lime cotton net can flow, activated carbon net and ion filter net, thereby can filter and adsorb the harmful substance in the flue gas, the normal emission of flue gas has been guaranteed, the environment has been avoided receiving the pollution.

2. The utility model provides a boiler flue gas heat recovery unit, through the adapter sleeve, sealing mechanism, the drive ring gear, the drive wheel, the dwang, the lifter plate, fixed spring, mutually support between the kicking block, in the water route pipeline that will connect inserts the adapter sleeve, through rotating the drive ring gear, thereby can drive the drive wheel and rotate, and drive the dwang and rotate, thereby make the lifter plate remove, and block the side of advancing the pipeline, thereby fix the pipeline, and seal the pipeline through sealing mechanism, the connection effect to the pipeline has been improved, the transportation of water has been made things convenient for, the seepage of water has been avoided.

Drawings

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

fig. 2 is a schematic sectional structure view of the filtering mechanism of the present invention;

fig. 3 is a schematic sectional structure view of the connection mechanism of the present invention;

fig. 4 is a schematic sectional structure diagram of the sealing mechanism of the present invention.

In the figure: 1. a recovery device body; 2. a gas delivery pipe; 3. a water delivery pipe; 4. a filtering mechanism; 41. a filter box; 42. an air inlet pipe; 43. a neutralization chamber; 44. a delivery pipe; 45. lime cotton net; 46. an activated carbon mesh; 47. an ion filter screen; 5. a connecting mechanism; 51. connecting sleeves; 52. a sealing mechanism; 521. a seal ring; 522. a pressing plate; 523. the spring is tightly propped; 524. a pull rod; 525. a slider; 526. a moving block; 527. a gasket; 53. a drive gear ring; 54. a drive wheel; 55. rotating the rod; 56. a lifting plate; 57. a fixed spring; 58. and (7) a top block.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a boiler flue gas heat recovery device, including recovery unit body 1, recovery unit body 1's top fixedly connected with gas-supply pipe 2, recovery unit body 1's side fixedly connected with raceway 3, recovery unit body 1's top fixedly connected with filter mechanism 4, raceway 3's one end fixedly connected with coupling mechanism 5, filter mechanism 4 includes rose box 41, rose box 41 fixed connection is at the top of recovery unit body 1, rose box 41's inside bottom fixedly connected with intake pipe 42, neutralizing chamber 43 has been seted up to rose box 41's inside, the one end of intake pipe 42 extends to the inside of neutralizing chamber 43, the top of neutralizing chamber 43 is provided with conveyer pipe 44, rose box 41's inside top fixedly connected with lime cotton net 45, lime cotton net 45's top fixedly connected with activated carbon net 46, activated carbon net 46's top fixedly connected with ion filter screen 47.

In this embodiment, when the device uses, make raceway 3 can be connected with water route pipeline through coupling mechanism 5, the flue gas of boiler emission, can enter into the inside of recovery unit body 1 through gas-supply pipe 2, and preheat the water in raceway 3, the use of boiler has been made things convenient for, and flue gas after retrieving the heat, can enter into neutralization chamber 43 through intake pipe 42, can carry out neutralization to the acid-base material in the flue gas through neutralization liquid, later can be under the transport of conveyer pipe 44, flow through lime cotton net 45, activated carbon net 46 and ion filter net 47, thereby can filter and adsorb the harmful substance in the flue gas, the normal emission of flue gas has been guaranteed, the environment has been avoided receiving the pollution.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the connecting mechanism 5 includes a connecting sleeve 51, the connecting sleeve 51 is fixedly connected to one end of the water pipe 3, a sealing mechanism 52 is fixedly connected to the inside of the connecting sleeve 51, a driving toothed ring 53 is movably connected to the side surface of the connecting sleeve 51, a driving wheel 54 is meshed and connected to the inner side of the driving toothed ring 53, a rotating rod 55 is fixedly connected to the side surface of the driving wheel 54, a lifting plate 56 is movably connected to the side surface of the rotating rod 55, a fixing spring 57 is arranged inside the lifting plate 56, two ends of the fixing spring 57 are provided with ejector blocks 58, and the ejector blocks 58 are movably connected to two sides of the lifting plate 56.

In this embodiment, the waterway pipeline that will connect is inserted into adapter sleeve 51, through rotating drive ring gear 53, thereby can drive wheel 54 and rotate, and drive dwang 55 and rotate, thereby make lifter plate 56 remove, and block into the side of pipeline, thereby fix the pipeline, simultaneously move kicking block 58 through fixed spring 57 top, thereby can restrict lifter plate 56's position, make the fixing to the pipeline more convenient, and seal the pipeline through sealing mechanism 52, the connection effect to the pipeline has been improved, the seepage of water has been avoided.

Example 3

As shown in fig. 1-4, on the basis of embodiment 2, the utility model provides a technical solution: preferably, the sealing mechanism 52 comprises a sealing ring 521, the sealing ring 521 is fixedly connected inside the connecting sleeve 51, the middle of the sealing ring 521 is movably connected with a squeezing plate 522, a jacking spring 523 is arranged on the left side of the squeezing plate 522, a pull rod 524 is fixedly connected on the right side of the top of the squeezing plate 522, a sliding block 525 is fixedly connected to the side surface of the pull rod 524, a moving block 526 is movably connected to the side surface of the sliding block 525, and a sealing gasket 527 is fixedly connected to one end of the moving block 526.

In this embodiment, when sealing up the pipeline, the pipeline is to extrudeing sealing washer 521, thereby seal, and can push up stripper plate 522, make stripper plate 522 to pushing up tight spring 523 and extrude, thereby can stimulate pull rod 524, and can drive movable block 526 through slider 525 and remove, thereby extrude the side of pipeline through sealed pad 527, make the sealed effect to the pipeline better.

The operation of the boiler flue gas heat recovery device will be described in detail below.

As shown in fig. 1-4, when the device is used, the waterway pipeline to be connected is inserted into the connecting sleeve 51, the driving wheel 54 can be driven to rotate through the driving toothed ring 53, and the rotating rod 55 is driven to rotate, thereby the lifting plate 56 is driven to move, and the side surface of the pipeline is clamped, thereby the pipeline is fixed, the flue gas discharged by the boiler can enter the interior of the recovery device body 1 through the gas transmission pipe 2, and the water in the water transmission pipe 3 is preheated, the use of the boiler is facilitated, and the flue gas after heat recovery can enter the neutralization chamber 43 through the gas inlet pipe 42, acid and alkali substances in the flue gas can be neutralized through the neutralization liquid, and then the lime cotton net 45, the activated carbon net 46 and the ion filter net 47 are passed through, thereby harmful substances in the flue gas can be filtered and adsorbed, the normal discharge of the flue gas is ensured, and the environment is prevented from being polluted.

The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a boiler flue gas heat recovery device, includes recovery unit body (1), the top fixedly connected with gas-supply pipe (2) of recovery unit body (1), the side fixedly connected with raceway (3) of recovery unit body (1), its characterized in that: the top of the recovery device body (1) is fixedly connected with a filtering mechanism (4), and one end of the water delivery pipe (3) is fixedly connected with a connecting mechanism (5);

the filtering mechanism (4) comprises a filtering box (41), the filtering box (41) is fixedly connected to the top of the recovery device body (1), an air inlet pipe (42) is fixedly connected to the bottom end of the interior of the filtering box (41), a neutralizing chamber (43) is formed in the interior of the filtering box (41), one end of the air inlet pipe (42) extends to the interior of the neutralizing chamber (43), and a conveying pipe (44) is arranged at the top of the neutralizing chamber (43);

coupling mechanism (5) are including adapter sleeve (51), adapter sleeve (51) fixed connection is in the one end of raceway (3), the inside fixedly connected with sealing mechanism (52) of adapter sleeve (51), the side swing joint of adapter sleeve (51) has drive ring gear (53).

2. A boiler flue gas heat recovery device according to claim 1, characterized in that: the inside top fixedly connected with lime cotton net (45) of rose box (41), the top fixedly connected with activated carbon net (46) of lime cotton net (45), the top fixedly connected with ion filter screen (47) of activated carbon net (46).

3. A boiler flue gas heat recovery device according to claim 1, characterized in that: the inboard meshing of drive ring gear (53) is connected with drive wheel (54), the side fixedly connected with dwang (55) of drive wheel (54), the side swing joint of dwang (55) has lifter plate (56).

4. A boiler flue gas heat recovery device according to claim 3, characterized in that: the lifting plate is characterized in that a fixed spring (57) is arranged inside the lifting plate (56), ejector blocks (58) are arranged at two ends of the fixed spring (57), and the ejector blocks (58) are movably connected to two sides of the lifting plate (56).

5. A boiler flue gas heat recovery device according to claim 1, characterized in that: sealing mechanism (52) include sealing washer (521), sealing washer (521) fixed connection is in the inside of adapter sleeve (51), the middle part swing joint of sealing washer (521) has stripper plate (522), the left side of stripper plate (522) is provided with top tight spring (523).

6. A boiler flue gas heat recovery device according to claim 5, characterized in that: the right side of the top of the extrusion plate (522) is fixedly connected with a pull rod (524), the side surface of the pull rod (524) is fixedly connected with a sliding block (525), the side surface of the sliding block (525) is movably connected with a moving block (526), and one end of the moving block (526) is fixedly connected with a sealing gasket (527).