Boiler flue gas white smoke eliminating device

Abstract

The utility model relates to a boiler flue gas white smoke elimination device, which aims to solve the technical problem that the existing flue gas white smoke elimination only adopts a single flue gas condensation method, so that the flue gas white smoke elimination effect is poorer, and comprises a support seat, a treatment box is arranged on the support seat, two ends of the treatment box are respectively communicated with a gas inlet cover and a gas outlet cover, and the gas inlet cover and the gas outlet cover are arranged on the support seat. A heat pump is installed on the supporting base below the treatment box, a plate type condenser and a plate type heat exchanger are installed in the treatment box, the water inlet end and the water outlet end of the plate type condenser are communicated with a first water inlet pipe and a first water outlet pipe respectively, and the first water outlet pipe penetrates through the treatment box to be communicated with the water inlet end of the heat pump; the device has the advantages that double white smoke elimination is performed on smoke, the smoke white smoke elimination effect is further improved, meanwhile, waste heat recycled in the condensation process can be used for heating the smoke, and the double goals of energy conservation and environmental protection are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of boiler flue gas white elimination, and specifically relates to a boiler flue gas white elimination device. BACKGROUND

[0002] The boiler is a kind of energy conversion equipment, and the energy input into the boiler includes chemical energy in fuel and electric energy, and the boiler outputs steam, high-temperature water or organic heat carrier with certain heat energy, in the process of using the boiler, flue gas is generated, since the flue gas has certain temperature and humidity, when the flue gas directly contacts with low-temperature air, small water droplets are condensed, thereby forming wet flue gas.

[0003] According to the disclosed patent CN222358212U, a boiler flue gas white elimination device is provided.The boiler flue gas white elimination device includes a mounting frame, a treatment box for white elimination treatment of boiler flue gas, the treatment box is fixedly installed on the top of the mounting frame, a plurality of heat exchange pipes for heat exchange white elimination treatment of boiler flue gas, a plurality of heat exchange pipes are fixedly arranged in the inside of the treatment box, an air inlet is arranged on the treatment box, an air outlet is arranged on the treatment box, a filter plate for filtering treatment of dust in boiler flue gas is arranged in the treatment box, and a heat exchange circulation mechanism for circulating heat exchange of boiler flue gas in the heat exchange pipe.In the process of realizing the utility model, the conventional flue gas white elimination is only through single flue gas condensation method to carry out flue gas white elimination, so that the white elimination effect of flue gas is poor, and the filter screen is easy to be blocked during use, thereby affecting the speed of flue gas entering the treatment box, when the filter screen is seriously blocked, the white elimination of flue gas needs to be stopped to disassemble and clean or replace the filter screen, thereby affecting the efficiency of flue gas white elimination.Therefore, it is necessary to design a new technical scheme to solve the problem. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the shortcomings of prior art, adapting to the actual needs, providing a kind of boiler flue gas white elimination device to solve the current flue gas white elimination is only through single flue gas condensation method to carry out flue gas white elimination, so that the white elimination effect of flue gas is poor technical problem.

[0005] In order to realize the purpose of the utility model, the technical scheme that the utility model adopts is: a boiler flue gas white smoke elimination device is designed, which comprises a supporting seat, a treatment box is installed on the supporting seat, air inlet covers and air outlet covers are communicated with both ends of the treatment box respectively, a heat pump is installed on the supporting seat below the treatment box, a plate type condenser and a plate type heat exchanger are installed in the treatment box, a first water inlet pipe and a first water outlet pipe are communicated with the water inlet end and the water outlet end of the plate type condenser respectively, the first water outlet pipe penetrates the treatment box and is communicated with the water inlet end of the heat pump, a second water inlet pipe and a second water outlet pipe are communicated with the water inlet end and the water outlet end of the plate type heat exchanger respectively, the other end of the second water inlet pipe is communicated with the water outlet end of the heat pump, and the second water outlet pipe penetrates the treatment box and is arranged outside the treatment box.

[0006] Preferably, an upper connecting plate is installed at the top of the inner cavity of the air inlet cover, a lower connecting plate is installed at the bottom of the inner cavity of the air inlet cover, a filter screen is installed between the upper connecting plate and the lower connecting plate, a spray pipe penetrates the top of the air inlet cover, a spray head is communicated with the spray pipe, and the spray head corresponds to the filter screen.

[0007] Preferably, a drain pipe is communicated with the bottom of the air inlet cover, a sealing plug is slidably connected in the drain pipe, and a floating plate is installed at the top of the sealing plug.

[0008] Preferably, limit grooves are formed at both sides of the inner cavity of the drain pipe, limit blocks are slidably connected in the two limit grooves, and a limit rod is connected between the two limit blocks and the sealing plug.

[0009] Preferably, a baffle is installed at the bottom of the inner cavity of the air inlet cover on one side of the upper connecting plate, and the height of the baffle and the height of the lower connecting plate are on the same horizontal plane.

[0010] Preferably, an induced draft fan is installed in the inner cavity of the air outlet cover, and the induced draft fan is arranged in the middle part of the inner cavity of the air outlet cover.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The utility model combines the plate type condenser, the plate type heat exchanger and the heat pump, eliminates white smoke from flue gas through the plate type condenser and the plate type heat exchanger, further improves the effect of flue gas white smoke elimination, and the waste heat recovered in the condensation process can be used for heating flue gas, so that the dual goals of energy saving and environmental protection are realized.

[0013] 2.The utility model discloses a combination of spray tray and filter screen structure, when flue gas passes through the air inlet cover, the flue gas enters the treatment box after being sprayed by the spray pipe, and the flue gas in the treatment box is sprayed, the water vapor and pollutants in the flue gas are removed, the formation of white smoke plume is reduced, the effect of flue gas white elimination is further improved, and the spray water can wash the filter screen, so that the filter screen is prevented from being blocked during use, and shutdown cleaning or replacement is required, and the efficiency of flue gas white elimination is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the whole structure schematic view of the utility model;

[0015] Fig. 2 It is the whole sectional view of the utility model.

[0016] Fig. 3 It is the enlarged view of A of the utility model.

[0017] In the drawing: 1, support seat;11, treatment box;12, air inlet cover;13, air outlet cover;2, spray pipe;21, spray tray;22, filter screen;23, upper connecting plate;24, baffle;25, drain pipe;26, lower connecting plate;27, floating plate;28, sealing plug;3, heat pump;4, first water inlet pipe;41, first water outlet pipe;42, plate type condenser;5, second water outlet pipe;51, second water inlet pipe;52, plate type heat exchanger;6, induced draft fan;7, limiting groove;71, limiting block;72, limiting rod. DETAILED DESCRIPTION

[0018] The utility model is further illustrated in connection with the drawings and examples:

[0019] Example 1: a boiler flue gas white elimination device, refer to Figs. 1 to 3The utility model relates to a kind of smoke white elimination device, including support seat 1, processing box 11 is installed on the support seat 1, the both ends of processing box 11 are communicated with air inlet cover 12 and air outlet cover 13 respectively, heat pump 3 is installed on the support seat 1 below processing box 11, and the heat pump 3 includes compressor, condenser, evaporator and refrigerant, refrigerant absorbs the heat of low-temperature heat source in evaporator, evaporates into gas, then is inhaled and compressed into high-temperature high-pressure gas by compressor, high-temperature high-pressure gas releases heat in condenser, and becomes liquid after cooling, and by pressure reducing valve, it is recycled into evaporator again, plate condenser 42 and plate heat exchanger 52 are installed in processing box 11, the water inlet end and water outlet end of plate condenser 42 are respectively communicated with first water inlet pipe 4 and first water outlet pipe 41, first water outlet pipe 41 is communicated with the water inlet end of heat pump 3 with processing box 11 being penetrated, the water inlet end and water outlet end of plate heat exchanger 52 are respectively communicated with second water inlet pipe 51 and second water outlet pipe 5, the other end of second water inlet pipe 51 is communicated with the water outlet end of heat pump 3, and second water outlet pipe 5 is placed on the outside of processor box with processing box 11 being penetrated, when working, flue gas is entered into processing box 11 by air inlet cover 12, cooling water is introduced into plate condenser 42 by first water inlet pipe 4, so that flue gas is condensed into liquid water in flue gas by plate condenser 42, and the water vapor content of condensed flue gas is significantly reduced, so that cooling water is entered into heat pump 3 by first water outlet pipe 41 after heating, then heat pump 3 obtains the heat energy in the heated cooling water, then provides heat energy to plate heat exchanger 52 by electric power, so that flue gas is heated to a certain temperature when passing through plate heat exchanger 52, the temperature of heated flue gas is increased, and the relative humidity is reduced, so that the double white smoke is eliminated, and the effect of flue gas white elimination is further improved, and the waste heat recovered in the condensation process can be used to heat flue gas, to realize the double goal of energy saving and environmental protection.

[0020] Specifically, referring to Fig. 2 The inner cavity top of air inlet cover 12 is provided with upper connecting plate 23, the inner cavity bottom of air inlet cover 12 is provided with lower connecting plate 26, filter screen 22 is installed between upper connecting plate 23 and lower connecting plate 26, spray pipe 2 is penetrated through the top of air inlet cover 12, spray head is communicated on the spray pipe 2, and the spray head corresponds to filter screen 22, when flue gas passes through air inlet cover 12, spray water is sprayed out through spray disc 21 after entering spray pipe 2, so that flue gas entering processing box 11 can be sprayed, water vapor and pollutants in flue gas are removed, the formation of white smoke is reduced, the effect of flue gas white elimination is further improved, and spray water can wash filter screen 22, so that filter screen 22 is not blocked during use, machine cleaning or replacement is not needed, and the efficiency of flue gas white elimination is further improved.

[0021] Further, referring to Fig. 2 AndFig. 3 The bottom of the air inlet cover 12 is communicated with a drain pipe 25, a sealing plug 28 is slidably connected in the drain pipe 25, a floating plate 27 is installed on the top of the sealing plug 28, limit grooves 7 are formed on both sides of the inner cavity of the drain pipe 25, limit blocks 71 are slidably connected in the limit grooves 7, and the limit blocks 71 are connected with the sealing plug 28 through limit rods 72.

[0022] It is worth mentioning that, referring to Fig. 2 A baffle 24 is installed on the bottom of the inner cavity of the air inlet cover 12 on one side of the upper connecting plate 23, and the height of the baffle 24 is on the same horizontal plane as the height of the lower connecting plate 26.

[0023] It is worth mentioning that, referring to Fig. 2 An air induction fan 6 is installed in the inner cavity of the air outlet cover 13, and the air induction fan 6 is arranged in the middle of the inner cavity of the air outlet cover 13.

[0024] In addition, the components of the utility model are all general standard components or components known by those skilled in the art, the structure and principle of which can be known by the technical personnel through a technical manual or through a conventional experimental method, and the technical personnel in the art can completely realize it without further description.

[0025] The utility model discloses a preferable embodiment, but is not limited to this, and the ordinary skilled in the art, very easily according to the above-mentioned embodiment, the spirit of the utility model is appreciated, and different is drawn and changes, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A boiler flue gas whitening device comprising a support base (1), characterized in that, The support seat (1) is provided with a treatment box (11), both ends of the treatment box (11) are communicated with an air inlet cover (12) and an air outlet cover (13) respectively, a heat pump (3) is installed on the support seat (1) below the treatment box (11), a plate type condenser (42) and a plate type heat exchanger (52) are installed in the treatment box (11), the water inlet end and the water outlet end of the plate type condenser (42) are communicated with a first water inlet pipe (4) and a first water outlet pipe (41) respectively, the first water outlet pipe (41) penetrates the treatment box (11) and is communicated with the water inlet end of the heat pump (3), the water inlet end and the water outlet end of the plate type heat exchanger (52) are communicated with a second water inlet pipe (51) and a second water outlet pipe (5) respectively, the other end of the second water inlet pipe (51) is communicated with the water outlet end of the heat pump (3), and the second water outlet pipe (5) penetrates the treatment box (11) and is arranged outside the treatment box.

2. A boiler flue gas de-whitening device as claimed in claim 1, wherein, An upper connecting plate (23) is installed at the top of the inner cavity of the air inlet cover (12), a lower connecting plate (26) is installed at the bottom of the inner cavity of the air inlet cover (12), a filter screen (22) is installed between the upper connecting plate (23) and the lower connecting plate (26), a spray pipe (2) penetrates the top of the air inlet cover (12), a spray head is communicated with the spray pipe (2), and the spray head corresponds to the filter screen (22).

3. A white smoke eliminating device for boiler flue gas as claimed in claim 1 wherein, A drain pipe (25) is communicated with the bottom of the air inlet cover (12), a sealing plug (28) is slidably connected in the drain pipe (25), and a floating plate (27) is installed at the top of the sealing plug (28).

4. A white smoke eliminating device for boiler flue gas as claimed in claim 3 wherein, Limiting grooves (7) are formed in the inner cavities of the drain pipe (25) on both sides, limiting blocks (71) are slidably connected in the limiting grooves (7), and limiting rods (72) are connected between the limiting blocks (71) and the sealing plug (28).

5. A boiler flue gas de-whitening device as claimed in claim 2, wherein, A baffle (24) is installed at the bottom of the inner cavity of the air inlet cover (12) on one side of the upper connecting plate (23), and the height of the baffle (24) is on the same horizontal plane as the height of the lower connecting plate (26).

6. A boiler flue gas whitening device as claimed in claim 1, wherein, An air guide fan (6) is installed in the inner cavity of the air outlet cover (13), and the air guide fan (6) is arranged in the middle of the inner cavity of the air outlet cover (13).

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