CN209726894U - A kind of flue gas waste heat utilization device - Google Patents

Abstract

The utility model provides a kind of flue gas waste heat utilization device, including shell, Heat Room is equipped in shell, ash discharge chamber, spray chamber and steam separation chamber, Heat Room upper end is equipped with smoke inlet, Heat Room lower end is connected by falling ash-pit with ash discharge chamber, ash discharge chamber upper end connects with spray chamber, spray chamber is fixedly connected with steam separation chamber, Heat Room includes First Heat Exchanger, First Heat Exchanger one end is fixedly connected with connecting tube, connecting tube is fixedly connected with the second heat exchanger, second heat exchanger is fixedly connected with the first spray tube, first spray tube is through steam separation chamber, big spray head is provided on first spray tube, the First Heat Exchanger other end is fixedly connected with aqueduct, aqueduct is through shell and is fixedly connected with the first water pump, first water pump is equipped with water inlet pipe, first water pump is fixedly connected with water tank, water tank is fixedly connected with condenser pipe, this reality With it is novel have many advantages, such as efficiently it is convenient, be suitable for needing for user.

Description

A kind of flue gas waste heat utilization device

Technical field

The utility model relates to heat recovery and utilization fields, and in particular to a kind of flue gas waste heat utilization device.

Background technique

In certain industrial productions, high-temperature flue gas generation is had, these high-temperature flue gas would generally be directly discharged to air In the middle, the heat not only contained in flue gas is not fully utilized, but also the dust carried in flue gas can also cause dirt to air Dye.

Summary of the invention

Problem to be solved in the utility model is to provide a kind of more convenient, more environmentally friendly, energy saving fume afterheat utilization Device.

In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of flue gas waste heat utilization device, packet Shell is included, Heat Room, ash discharge chamber, spray chamber and steam separation chamber are equipped in the shell, the Heat Room upper end is equipped with into cigarette Mouthful, the Heat Room lower end is connected by falling ash-pit with ash discharge chamber, and the ash discharge chamber upper end connects with spray chamber, the spray Leaching room is fixedly connected with the steam separation chamber, and the Heat Room includes First Heat Exchanger, and described First Heat Exchanger one end is fixed It is connected with connecting tube, the connecting tube is fixedly connected with the second heat exchanger, and second heat exchanger is fixedly connected with the first spray Pipe, first spray tube are provided with big spray head on first spray tube, described first changes through the steam separation chamber The hot device other end is fixedly connected with aqueduct, and the aqueduct is through the shell and is fixedly connected with the first water pump, and described the One water pump is equipped with water inlet pipe, and first water pump is fixedly connected with water tank, and the water tank is fixedly connected with condenser pipe, the condensation Pipe, which is fixedly installed on, to be fallen in ash-pit, and the condenser pipe is fixedly connected with the second water pump through shell, and the ash discharge chamber is additionally provided with Filter layer and soot blower are provided with the second spray tube, outlet flue and liquid outlet groove, second spray tube upper end in the spray chamber It is provided with little shower nozzle, second spray tube lower end is fixedly connected on second water pump, and second water pump is equipped with throttling Pipe, the throttle pipe are fixedly connected with the liquid outlet groove, and the steam separation chamber is equipped with steam delivery line and outlet pipe.

Further, the smoke inlet is additionally provided with high temperature suction ventilator.

Further, the liquid outlet groove funneling.

Further, the throttle pipe, condenser pipe, steam delivery line, outlet pipe are equipped with check valve.

Further, bracket is fixedly connected with outside the liquid outlet groove.

Further, alkaline aqueous solution is provided in the water tank.

Further, the liquid outlet groove is equipped with leakage fluid dram, and the leakage fluid dram is additionally provided with tapping valve.

Compared with prior art, the utility model has the advantages and positive effects of:

1. a kind of flue gas waste heat utilization device provided by the utility model passes through setting First Heat Exchanger and the second heat exchanger It can use flue gas to exchange heat with water, vapor and hot water can be obtained while reducing flue-gas temperature again, and be arranged two Heat exchanger can utilize fume afterheat more abundant, and condenser pipe and filter layer are used cooperatively, and can more completely will Cigarette ash is separated with flue gas, and the utility model has, energy conservation and environmental protection, more adapts to the needs of user.

2. the acidic materials in flue gas can be dissolved in alkaline aqueous solution by setting of the utility model to spray chamber, and It is discharged by liquid outlet groove, and due to the effect of throttle pipe and the second water pump, the liquid in liquid outlet groove can be reused, more ring It protects, substantially increases the overall performance of whole device, be more able to satisfy the needs of user.

Detailed description of the invention

Fig. 1 is the structure chart of the utility model；

Fig. 2 is enlarged drawing at the A of the utility model.

In figure: shell -1, ash discharge chamber -3, spray chamber -4, steam separation chamber -5, smoke inlet -6, falls ash-pit-at Heat Room -2 7, First Heat Exchanger -8, connecting tube -9, the second heat exchanger -10, the first spray tube -11, big spray head -12, water inlet pipe -13, first Water pump -14, aqueduct -15, water tank -16, condenser pipe -17, the second water pump -18, filter layer -19, soot blower -20, the second spray Pipe -21, outlet flue -22, liquid outlet groove -23, little shower nozzle -24, throttle pipe -25, steam delivery line -26, outlet pipe -27, high temperature are inhaled Blower -28, check valve -29, bracket -30, leakage fluid dram -31, tapping valve -32.

Specific embodiment

In order to better understand the utility model, the utility model is carried out into one with attached drawing combined with specific embodiments below The description of step.

As Figure 1-Figure 2, a kind of flue gas waste heat utilization device, including shell 1, shell 1 is interior to be equipped with Heat Room 2, ash discharge Room 3, spray chamber 4 and steam separation chamber 5,2 upper end of Heat Room are equipped with smoke inlet 6, and smoke inlet 6 is additionally provided with high temperature suction ventilator 28, cigarette Gas sucks Heat Room 2 by the high temperature suction ventilator 28 of smoke inlet 6, and 2 lower end of Heat Room is connected by falling ash-pit 7 with ash discharge chamber 3, cigarette Gas, by falling ash-pit 7, the cigarette ash in flue gas is fallen into ash-pit 7,3 upper end of ash discharge chamber and 4 phase of spray chamber after heat exchange Perforation, then spray chamber 4 is entered by 3 upper end of ash discharge chamber and is sprayed, the water-soluble ingredient and acidic materials in flue gas are removed, Spray chamber 4 is fixedly connected with steam separation chamber 5, and Heat Room 2 includes First Heat Exchanger 8, and 8 one end of First Heat Exchanger is fixedly connected with Connecting tube 9, connecting tube 9 are fixedly connected with the second heat exchanger 10, and the second heat exchanger 10 is fixedly connected with the first spray tube 11, and first Spray tube 11 is provided with big spray head 12 on first spray tube 11,8 other end of First Heat Exchanger is fixed through steam separation chamber 5 It is connected with aqueduct 15, aqueduct 15 is through shell 1 and is fixedly connected with the first water pump 14, and the first water pump 14 is equipped with water inlet pipe 13, cold water enters back into First Heat Exchanger 8 into aqueduct 15 by water inlet pipe 13 under the action of the first water pump 14, is changed by first Hot device 8 enters connecting tube 9, then enters the second heat exchanger 10 by connecting tube 9, and cold water exchanges heat with the flue gas in Heat Room 2, In Flue gas can be cooled down while heating cold water, the hot water completed through First Heat Exchanger 8 and the heat exchange of the second heat exchanger 10 passes through First spray tube 11 and big spray head 12 can flow into steam separation chamber 5 and carry out separating and collecting for steam and hot water, do and handle in next step, First water pump 14 is fixedly connected with water tank 16, and alkaline aqueous solution is provided in water tank 16, and water tank 16 is fixedly connected with condenser pipe 17, Condenser pipe 17, which is fixedly installed on, to be fallen in ash-pit 7, and condenser pipe 17 is fixedly connected with the second water pump 18, the second water pump through shell 1 18 can be pumped into the alkaline aqueous solution in water tank 16 in condenser pipe 17, and condenser pipe 17 can make further cooling to flue gas, make cigarette Cigarette ash is fallen into ash-pit 7 in gas, and ash discharge chamber 3 is additionally provided with filter layer 19 and soot blower 20, can be filtered not falling within and is fallen ash-pit 7 The cigarette ash intercepted by filter layer 19 can be blown into again and fall ash-pit 7 by interior cigarette ash, soot blower 20, and the second spray is provided in spray chamber 4 Shower pipe 21, outlet flue 22 and liquid outlet groove 23,21 upper end of the second spray tube are provided with little shower nozzle 24, and 21 lower end of the second spray tube is fixed It is connected to the second water pump 18, the alkaline aqueous solution in condenser pipe 17 is pumped into the second spray tube 21 by the second water pump 18, then by small Alkaline aqueous solution is sprayed in spray chamber 4 by spray head 24, is absorbed solable matter and acidic materials in flue gas, is later fallen into out liquid In slot 23, the second water pump 18 is equipped with throttle pipe 25, and throttle pipe 25 is fixedly connected with liquid outlet groove 23, falls into the liquid in liquid outlet groove 23 Body can be transferred back again the second spray tube 21 via throttle pipe 25 and be reused, or be discharged by leakage fluid dram 31, steam point Steam delivery line 26 and outlet pipe 27 are equipped with from room 5.

23 funneling of liquid outlet groove, convenient for liquid emptying will be stored.

Throttle pipe 25, condenser pipe 17, steam delivery line 26, outlet pipe 27 are equipped with check valve 29, can pass through check valve 29 The working condition of regulating device.

It is fixedly connected with bracket 30 outside liquid outlet groove 23, liquid outlet groove 23 is supported, increases the stability of device.

Liquid outlet groove 23 is equipped with leakage fluid dram 31, and leakage fluid dram 31 is additionally provided with tapping valve 32, alkaline aqueous solution absorb in flue gas can It after soluble substance and acidic materials, can fall into liquid outlet groove 23,21 weight of the second spray tube can be transferred back again via throttle pipe 25 It is multiple to use, or discharged by leakage fluid dram 31, tapping valve 32 can regulate and control discharge state.

The course of work of the utility model is as follows:

When work, 2 upper end of Heat Room is equipped with smoke inlet 6, and smoke inlet 6 is additionally provided with high temperature suction ventilator 28, and flue gas is by smoke inlet 6 High temperature suction ventilator 28 suck Heat Room 2, cold water under the action of the first water pump 14 by water inlet pipe 13 enter aqueduct 15 again Into First Heat Exchanger 8, connecting tube 9 is entered by First Heat Exchanger 8, then the second heat exchanger 10 is entered by connecting tube 9, cold water with change Flue gas in hot cell 2 exchanges heat, can while heating cold water cooled flue gas, through First Heat Exchanger 8 and the second heat exchanger 10 Exchange heat the hot water completed, and can flow into point that steam separation chamber 5 carries out steam and hot water by the first spray tube 11 and big spray head 12 It from collection, does and handles in next step, 2 lower end of Heat Room is connected by falling ash-pit 7 with ash discharge chamber 3, and flue gas passes through after heat exchange It crosses and falls ash-pit 7, the cigarette ash in flue gas is fallen into ash-pit 7, the alkaline aqueous solution in water tank 16 can be pumped by the second water pump 18 In condenser pipe 17, condenser pipe 17 can make further cooling to flue gas, fall into cigarette ash in flue gas in ash-pit 7, and ash discharge chamber 3 is also Equipped with filter layer 19 and soot blower 20, the cigarette ash for not falling within and falling in ash-pit 7 can be filtered, soot blower 20 can will be by filter layer 19 The cigarette ash of interception is blown into again falls ash-pit 7, and 3 upper end of ash discharge chamber connects with spray chamber 4, then enters spray chamber 4 by 3 upper end of ash discharge chamber It is sprayed, removes the water-soluble ingredient and acidic materials in flue gas, the second water pump 18 is by the alkaline water in condenser pipe 17 Solution is pumped into the second spray tube 21, then alkaline aqueous solution is sprayed on flue gas in spray chamber 4 by little shower nozzle 24, is absorbed in flue gas Solable matter and acidic materials are later fallen into liquid outlet groove 23, and the second spray tube 21 can be transferred back again via throttle pipe 25 It reuses, or is discharged by leakage fluid dram 31, the flue gas after final purification is further returned again by outlet flue 22 It receives.

The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model Embodiment should not be considered as limiting the scope of the present invention.It is all to become according to equalization made by the scope of the utility model Change and improve etc., it shall still fall within the scope of this patent.

Claims (7)

1. a kind of flue gas waste heat utilization device, it is characterised in that: be equipped with including shell (1), in the shell (1) Heat Room (2), Ash discharge chamber (3), spray chamber (4) and steam separation chamber (5), Heat Room (2) upper end are equipped with smoke inlet (6), the Heat Room (2) lower end is connected by falling ash-pit (7) with ash discharge chamber (3), and ash discharge chamber (3) upper end connects with spray chamber (4), described Spray chamber (4) is fixedly connected with the steam separation chamber (5), and the Heat Room (2) includes First Heat Exchanger (8), and described first Heat exchanger (8) one end is fixedly connected with connecting tube (9), and the connecting tube (9) is fixedly connected with the second heat exchanger (10), and described Two heat exchangers (10) are fixedly connected with the first spray tube (11), and first spray tube (11) is through the steam separation chamber (5), it is provided with big spray head (12) on first spray tube (11), First Heat Exchanger (8) other end, which is fixedly connected with, leads Water pipe (15), the aqueduct (15) is through the shell (1) and is fixedly connected with the first water pump (14), first water pump (14) water inlet pipe (13) are equipped with, first water pump (14) is fixedly connected with water tank (16), and the water tank (16) is fixedly connected with Condenser pipe (17), the condenser pipe (17), which is fixedly installed on, to be fallen in ash-pit (7), and the condenser pipe (17) is solid through shell (1) Surely it is connected with the second water pump (18), the ash discharge chamber (3) is additionally provided with filter layer (19) and soot blower (20), the spray chamber (4) It is inside provided with the second spray tube (21), outlet flue (22) and liquid outlet groove (23), the second spray tube (21) upper end is provided with small Spray head (24), the second spray tube (21) lower end are fixedly connected on second water pump (18), on second water pump (18) Equipped with throttle pipe (25), the throttle pipe (25) is fixedly connected with the liquid outlet groove (23), and the steam separation chamber (5), which is equipped with, steams Vapour delivery line (26) and outlet pipe (27).

2. a kind of flue gas waste heat utilization device according to claim 1, it is characterised in that: the smoke inlet (6) is additionally provided with High temperature suction ventilator (28).

3. a kind of flue gas waste heat utilization device according to claim 1, it is characterised in that: the liquid outlet groove (23) is at funnel Shape.

4. a kind of flue gas waste heat utilization device according to claim 1, it is characterised in that: the throttle pipe (25), condensation Pipe (17), steam delivery line (26), outlet pipe (27) are equipped with check valve (29).

5. a kind of flue gas waste heat utilization device according to claim 1, it is characterised in that: solid outside the liquid outlet groove (23) Surely bracket (30) are connected with.

6. a kind of flue gas waste heat utilization device according to claim 1, it is characterised in that: be provided in the water tank (16) Alkaline aqueous solution.

7. a kind of flue gas waste heat utilization device according to claim 1, it is characterised in that: the liquid outlet groove (23) is equipped with row Liquid mouth (31), the leakage fluid dram (31) are additionally provided with tapping valve (32).