CN218178987U - Smoke exhaust port flue gas waste heat recycling device - Google Patents

Abstract

The utility model discloses an exhaust port flue gas waste heat recovery utilizes device, comprising a water tank, the water tank bottom plate makes progress the protruding deep trouth that forms, deep trouth cover is located the pipe upper port of discharging fume, the pipe upper end lateral wall of discharging fume sets up the inlet flue of heat exchange channel, discharge fume the pipe wall of pipe with constitute between the inner ring tank wall of water tank the heat exchange channel, the discharge flue of heat exchange channel is seted up on four walls of rain-proof cover, rain-proof cover encircle in discharge fume the pipe outer wall and set up in the water tank bottom, water tank upper end opening part is provided with a rain collecting device. The utility model is provided with the rain collecting device, so that rain is collected while rain is prevented, and the collected rain is used for waste heat recovery through multiple filtration; the water tank surrounds the periphery of the smoke exhaust pipeline and covers the pipe orifice to form a heat exchange channel, so that the structure is simple and compact; the fine filtering rainwater is utilized to fully absorb the waste heat, the energy utilization rate is improved, and the energy consumption and the cost of hot water supply are reduced.

Description

Smoke exhaust port flue gas waste heat recycling device

Technical Field

The utility model relates to a waste heat recovery utilizes the field, especially a smoke vent flue gas waste heat recovery utilizes device.

Background

Not only contain the greasy dirt among the kitchen oil smoke, there is a large amount of heats still, through oil smoke filtration purification, let pass through the pipeline by a large amount of heats at last and discharge in the middle of the air, these heats come from fuel burning production such as natural gas, belong to the loss of energy, in order to reduce energy consumption, and effectively utilize the flue gas waste heat, provide an exhaust port flue gas waste heat recovery and utilization device.

Disclosure of Invention

The invention aims to: in order to overcome the deficiencies in the prior art, the utility model provides a smoke vent flue gas waste heat recovery utilizes device, simple structure reduces energy resource consumption, effectively utilizes the flue gas waste heat.

The technical scheme is as follows: for realizing the above-mentioned purpose, the utility model discloses a discharge port flue gas waste heat recovery utilizes device, comprising a water tank, the water tank bottom plate makes progress the protruding deep groove that forms, deep groove cover is located the pipe upper end port of discharging fume, the pipe upper end lateral wall of discharging fume sets up the inlet flue of heat exchange passageway, discharge fume the pipe wall of pipe with constitute between the inner ring tank wall of water tank the heat exchange passageway, the discharge port of heat exchange passageway is seted up on four walls of rain-proof cover, rain-proof cover encircle in discharge fume the pipe outer wall and set up in the water tank bottom, water tank upper end opening part is provided with the collection rain device.

Furthermore, a plurality of heat-conducting plates are arranged in the heat exchange channel and fixed on the outer wall of the inner ring box wall, the heat-conducting plates are vertically arranged, the cross sections of the heat-conducting plates are in a water wave shape, and the heat-conducting plates are arranged at equal intervals in the horizontal direction.

Further, rain shade is for leaking hopper-shaped and being fixed in the water tank bottom, the four walls of rain shade from top to bottom leanin sets up, the lower port of rain shade closely paste in the outer wall fixed mounting of smoke exhaust pipe.

Furtherly, the exhaust port card is established and is installed the tripe that keeps off the rain, the blade that keeps off the rain tripe leans out the setting.

Further, rain collecting device includes rain collecting funnel, rain collecting funnel establish for cyclic annular cover built on stilts in the water tank upper port is peripheral, rain collecting funnel with constitute the annular clearance between the water tank outer wall, rain collecting funnel's middle part card establishes ring groove, set up the filter screen in the ring groove, the filter screen lid is located on the upper port of water tank.

Furthermore, the middle part protruding portion of filter screen is the drainage district, the drainage district support in on the last port of water tank, a plurality of pores are evenly laid in the drainage district, encircle in the low-lying part in drainage district is row mud district, it arranges and is provided with a plurality of coarse holes to arrange mud district, it is located ring type clearance top to arrange mud district top and corresponds built on stilts rain board of leading that sets up the same shape, it leads the rain face to lead the rain board upper end the slope of drainage district direction sets up.

Furthermore, a partition plate is arranged in the water tank, a settling chamber is arranged in a cavity above the partition plate, a heat exchange chamber is arranged below the partition plate, a plurality of water through holes are formed in the partition plate, a water level limiting pipe is vertically arranged on each water through hole, a plurality of water inlets are formed around the pipe wall of each water level limiting pipe, and a filter element is inserted in each water level limiting pipe.

Has the beneficial effects that: the smoke exhaust port flue gas waste heat recycling device provided by the utility model is provided with the rain collecting device, so that rainwater is collected while rain is prevented, and the rainwater is used for waste heat recovery through multiple filtration; the water tank surrounds the periphery of the smoke exhaust pipeline and covers the pipe orifice to form a heat exchange channel, so that the structure is simple and compact; the fine filtration rainwater is utilized to fully absorb the waste heat, the energy utilization rate is improved, and the energy consumption and the cost of hot water supply are reduced.

Drawings

FIG. 1 is an external structure diagram of a flue gas waste heat recovery and utilization device;

FIG. 2 is a sectional structure view of a flue gas waste heat recovery and utilization apparatus;

FIG. 3 is a sectional view showing a heat exchange path;

FIG. 4 is a sectional view of the rain collecting device;

fig. 5 is a diagram of the construction of the screen.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The device for recycling the smoke waste heat of the smoke exhaust port comprises a water tank 1, wherein a bottom plate of the water tank 1 protrudes upwards to form a deep groove 2, the deep groove 2 is sleeved at an upper end port of a smoke exhaust pipe 3, a smoke inlet 5 of a heat exchange channel 4 is formed in the side wall of the upper end of the smoke exhaust pipe 3, the heat exchange channel 4 is formed between the pipe wall of the smoke exhaust pipe 3 and an inner ring tank wall 6 of the water tank 1, smoke exhaust ports 7 of the heat exchange channel 4 are formed in four walls of a rain shield 8, the rain shield 8 surrounds the outer wall of the smoke exhaust pipe 3 and is arranged at the bottom of the water tank 1, and a rain collecting device 9 is arranged at an opening at the upper end of the water tank 1;

rainwater is collected and filtered through a rainwater collecting device at the upper end of the water tank, and the filtered rainwater is stored in the water tank and is used for recovering waste heat of flue gas, so that a rainproof effect is achieved, and rainwater at a smoke exhaust pipe opening is prevented from flowing backwards; the flue gas is followed the discharge pipe mouth and is discharged the back and gone into the water tank deep trouth, the heat exchange passageway of flowing through, discharge from the discharge port at last, the flue gas is at the heat exchange passageway in-process of flowing through, carry out the heat exchange through inner ring tank wall and the interior rainwater of water tank, the rainwater that absorbs the waste heat can be used as hot water supply, length through outdoor exhaust pipe, can adjust the groove depth of the water tank deep trouth, the groove depth is big more, it is bigger to make the water tank capacity bigger, heat exchange passageway length is longer, and then increase heat exchange area and exchange time, thereby make the waste heat fully absorbed, further improve waste heat utilization rate.

A plurality of heat conduction plates 10 are arranged in the heat exchange channel 4, the heat conduction plates 10 are fixed on the outer wall of the inner ring box wall 6, the heat conduction plates 10 are vertically arranged, the cross sections of the heat conduction plates 10 are in a water wave shape, and the heat conduction plates 10 are arranged at equal intervals along the horizontal direction;

the waste heat utilization that the heat exchange channel that leads to is short arouses is not abundant for short in outdoor exhaust pipe, through setting up the heat-conducting plate, firstly can increase heat conduction area, but the water ripple reposition of redundant personnel passageway that forms between the heat-conducting plate can increase the flow path of flue gas at heat exchange channel to increase heat exchange time, form the convection current, and then increase heat exchange rate, in order to improve flue gas waste heat utilization ratio.

The rain shield 8 is fixed at the bottom of the water tank 1 in a funnel shape, four walls of the rain shield 8 are arranged in an inclined manner from top to bottom, and the lower port of the rain shield 8 is tightly attached to the outer wall of the smoke exhaust pipe 3 and fixedly installed;

the smoke outlet 7 is provided with a rain-shielding louver 11 in a clamping manner, and blades 11-1 of the rain-shielding louver 11 are arranged in an outward inclined manner;

funnel-shaped rain shade makes the exhaust port slant discharge flue gas down, and the slope that alternately sets up between the blade of rain shade outer wall and rain-proof tripe can guide the rainwater along the landing of rain shade outer wall, and the rainwater of the exhaust port of flowing through is then blocked and is followed the blade landing by rain-proof tripe, prevents that the rainwater from getting into when guaranteeing normal carminative.

The rain collecting device 9 comprises a rain collecting funnel 12, the rain collecting funnel 12 is annularly sleeved and erected on the periphery of an upper end opening of the water tank 1, an annular gap 19 is formed between the rain collecting funnel 12 and the outer wall 1-1 of the water tank, an annular clamping groove 13 is clamped in the middle of the rain collecting funnel 12, a filter screen 14 is arranged in the annular clamping groove 13, and the filter screen 14 is covered on the upper end opening of the water tank 1; utilize collection rain funnel to enlarge collection rain area to collect more rainwater, filter out large particle impurities such as silt in the rainwater through the filter screen.

The middle convex part of the filter screen 14 is a water filtering area 15, the water filtering area 15 is supported on the upper port of the water tank 1, a plurality of fine holes 16 are uniformly distributed on the water filtering area 15, a low-lying part surrounding the water filtering area 15 is a mud discharging area 17, a plurality of coarse holes 18 are arranged on the mud discharging area 17, the mud discharging area 17 is positioned above the annular gap 19, rain guide plates 20 with the same shape are correspondingly arranged in an overhead manner above the mud discharging area 17, and a rain guide surface 21 at the upper ends of the rain guide plates 20 is obliquely arranged towards the direction of the water filtering area 15;

the rainwater filters the silt that leaves through the pore and remains in drainage zone filter screen surface, and after the rainwater erodees, silt assembles to mud discharging zone all around, and the rainwater that assembles by collection rain funnel edge is washed away and is arranged mud zone for silt breaks away by thick sky and ring type clearance discharge, avoids silt to pile up at drainage zone and causes the jam, leads the rain board through setting up, can be with the rainwater direction drainage zone that row mud zone top descends, with increase drainage zone collection rainfall.

A partition plate 22 is arranged in the water tank 1, a sedimentation chamber 23 is arranged in a cavity above the partition plate 22, a heat exchange chamber 24 is arranged below the partition plate 22, a plurality of water through holes 25 are formed in the partition plate 22, a water level limiting pipe 26 is vertically arranged on each water through hole 25, a plurality of water inlets 27 are formed around the pipe wall of the water level limiting pipe 26, and a filter element is inserted in the water level limiting pipe 26;

the rainwater coarsely filtered by the filter screen is gathered in the sedimentation cavity, and after a certain period of sedimentation, smaller water-insoluble solid particles are settled at the bottom of the sedimentation cavity, and after the water level rises to the water inlet position of the water level limiting pipe, the water level limiting pipe enters the pipe cavity of the water level limiting pipe through the filter element and then enters the heat exchange cavity through the limber hole; through setting up the spacing pipe of water level, can effectively increase the settling time to obtain better precipitation effect, filter by the filter core again and obtain comparatively pure water, alleviate the filtration burden of filter core, can effectual protection filter core, simultaneously through setting up closing cap 28 at the spacing pipe of water level up port, can avoid filtering the rainwater direct contact filter core of whereabouts by the filter screen, further protection filter core, increase filter core practical life, and the dismouting of the filter core of being convenient for is changed.

The above is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (7)

1. The utility model provides a smoke vent flue gas waste heat recovery utilizes device which characterized in that: including water tank (1), water tank (1) bottom plate is upwards protruding to form deep trouth (2), smoke pipe (3) upper port is located to deep trouth (2) cover, smoke pipe (3) upper end lateral wall of discharging fume sets up into smoke mouth (5) of heat exchange channel (4), the pipe wall of discharging fume pipe (3) with constitute between inner ring tank wall (6) of water tank (1) heat exchange channel (4), discharge fume mouth (7) of heat exchange channel (4) are seted up on four walls of rain cover (8), rain cover (8) encircle in discharge fume pipe (3) outer wall set up in water tank (1) bottom, water tank (1) upper end opening part is provided with collection rain device (9).

2. The smoke exhaust port flue gas waste heat recycling device according to claim 1, wherein: a plurality of heat-conducting plates (10) are arranged in the heat exchange channel (4), the heat-conducting plates (10) are fixed on the outer wall of the inner ring box wall (6), the heat-conducting plates (10) are vertically arranged, the cross sections of the heat-conducting plates (10) are water-wave-shaped, and the heat-conducting plates (10) are arranged at equal intervals in the horizontal direction.

3. The smoke exhaust port flue gas waste heat recycling device according to claim 1, characterized in that: rain-proof cover (8) are for leaking hopper-shaped being fixed in water tank (1) bottom, the four walls of rain-proof cover (8) from top to bottom leanin sets up, the lower port of rain-proof cover (8) tightly paste in tub (3) outer wall fixed mounting discharges fume.

4. The smoke exhaust port flue gas waste heat recycling device according to claim 3, characterized in that: the rain-proof shutter (11) is installed in the clamping mode of the smoke outlet (7), and blades (11-1) of the rain-proof shutter (11) are arranged in an outward inclined mode.

5. The smoke exhaust port flue gas waste heat recycling device according to claim 1, wherein: rain collecting device (9) are including rain collecting funnel (12), rain collecting funnel (12) establish for cyclic annular cover built on stilts in water tank (1) upper end mouth is peripheral, rain collecting funnel (12) with constitute ring type clearance (19) between water tank outer wall (1-1), ring groove (13) are seted up at the middle part of rain collecting funnel (12), filter screen (14) are established to ring groove (13) interior card, filter screen (14) lid is located on the upper end mouth of water tank (1).

6. The smoke exhaust port flue gas waste heat recycling device according to claim 5, characterized in that: middle part convex part of filter screen (14) is for straining water district (15), strain water district (15) support in on the last port of water tank (1), strain water district (15) and evenly lay a plurality of pores (16), encircle in strain the low-lying part of water district (15) for arranging mud district (17), arrange mud district (17) and arrange and be provided with a plurality of coarse holes (18), it is located to arrange mud district (17) annular gap (19) top, arrange that mud district (17) top corresponds built on stilts deflector (20) that leads that sets up the same shape, it leads rain face (21) to lead rain plate (20) upper end the slope of straining water district (15) direction sets up.

7. The smoke exhaust port flue gas waste heat recycling device according to claim 1, characterized in that: be provided with baffle (22) in water tank (1), baffle (22) top cavity is precipitation chamber (23), baffle (22) below is heat exchange chamber (24), set up a plurality of limbers (25) on baffle (22), vertically set up spacing pipe of water level (26) on limbers (25), encircle spacing pipe of water level (26) pipe wall is seted up a plurality of water inlets (27), the filter core is established in spacing pipe of water level (26) interpolation.

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