Boiler waste gas separation device

Abstract

The utility model discloses a boiler waste gas separating device which comprises a dust collecting barrel, a high-pressure fan, a filter screen, a water pool, a high-pressure water pump, a first high-pressure nozzle and a second high-pressure nozzle, the high-pressure fan is installed at the top end of the dust collecting barrel, the filter screen is installed at the upper end of an inner cavity of the dust collecting barrel, and the water pool is arranged at the bottom end of the dust collecting barrel. The high-pressure water pump is arranged in the water pool and provided with a water outlet pipe, the water outlet pipe is connected with the first high-pressure nozzle and the second high-pressure nozzle, the first high-pressure nozzle and the second high-pressure nozzle are both installed in an inner cavity of the dust collecting barrel, and a waste gas inlet is further formed in the bottom end of the dust collecting barrel. Compared with the prior art, the dust collection device has the advantages that the dust collection barrel and the high-pressure nozzle are arranged, the high-pressure nozzle forms a water curtain in the dust collection barrel, waste gas is filtered in cooperation with the filter screen, pollutants in the waste gas generated by the boiler can be separated, and pollution of the boiler to air is reduced; the device is simple in structure and stable and reliable in operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler waste gas treatment technical field, concretely is a boiler waste gas separation device. BACKGROUND

[0002] At present, the waste gas treatment mode commonly used in the market includes adsorption method, combustion method and spraying method etc. The adsorption method usually adopts adsorption material such as activated carbon, although it can effectively remove part of pollutants, but the problem of frequent replacement after saturation of adsorption material, high operation cost exists;The combustion method is suitable for treating high concentration, flammable waste gas, however, the equipment requirement is high, and secondary pollution may be produced;Although the traditional spraying method removes pollutants by using water and waste gas contact, but the treatment efficiency is low, and the removal effect of small paint mist particles and water-soluble pollutants is poor, it is difficult to meet the increasingly strict environmental protection emission standard.

[0003] In addition, the existing waste gas treatment equipment generally has problems of complex structure, large floor area, poor operation stability, high maintenance cost, and cannot efficiently and stably realize the goal of waste gas treatment, therefore, a new type of waste gas treatment equipment is urgently needed to overcome the shortcomings of the prior art, improve the waste gas treatment efficiency and reduce the operation and maintenance cost. SUMMARY

[0004] The utility model discloses a boiler waste gas separation device to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a boiler waste gas separation device, including dust collecting barrel, high pressure fan, filter screen, water pool, high pressure water pump, first high pressure nozzle and second high pressure nozzle, the high pressure fan is installed at the top of dust collecting barrel, the filter screen is installed on the upper end in the dust collecting barrel, the water pool is located at the bottom of dust collecting barrel, the high pressure water pump is located in the water pool, the high pressure water pump is equipped with the water outlet pipe, the water outlet pipe is connected with first high pressure nozzle and second high pressure nozzle respectively, first high pressure nozzle and second high pressure nozzle are installed in the inner chamber of dust collecting barrel, the bottom of dust collecting barrel is also equipped with waste gas inlet.

[0006] Preferably, the first high pressure nozzle is installed at the axis position of the dust collecting barrel, below the filter screen.

[0007] Preferably, the second high pressure nozzle is installed on the inner wall of the dust collecting barrel, and the position of the second high pressure nozzle is lower than that of the first high pressure nozzle.

[0008] Preferably, the position of the waste gas inlet is lower than that of the second high pressure nozzle.

[0009] Preferably, the bottom of the dust collecting barrel is inverted conical, a water overflow port is arranged at the center of the bottom, and the water overflow port is connected with the water pool.

[0010] Preferably, the dust collecting barrel is made of 2.0T thick iron plate.

[0011] Compared with the prior art, the dust collecting barrel and the high-pressure nozzle are arranged, the high-pressure nozzle forms a water curtain in the dust collecting barrel, waste gas is filtered by cooperating with the filter screen, pollutants in waste gas generated by the boiler can be separated, and pollution of the boiler to air is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The utility model discloses a structure schematic diagram.

[0013] In the drawing: 1, dust collecting barrel;2, high-pressure fan;3, filter screen;4, water pool;5, high-pressure water pump;6, first high-pressure nozzle;7, second high-pressure nozzle;8, water outlet pipe;9, waste gas inlet;10, overflow port. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0015] Please refer to Figure 1 The utility model provides a technical scheme: a boiler waste gas separation device, including dust collecting barrel 1, high-pressure fan 2, filter screen 3, water pool 4, high-pressure water pump 5, first high-pressure nozzle 6 and second high-pressure nozzle 7, high-pressure fan 2 is installed at the top of dust collecting barrel 1, filter screen 3 is installed on the top of the inner chamber of dust collecting barrel 1, water pool 4 is located at the bottom of dust collecting barrel 1, high-pressure water pump 5 is located in water pool 4, high-pressure water pump 5 is equipped with water outlet pipe 8, water outlet pipe 8 is connected with first high-pressure nozzle 6 and second high-pressure nozzle 7 respectively, first high-pressure nozzle 6 and second high-pressure nozzle 7 are all installed in the inner chamber of dust collecting barrel 1, and the bottom of dust collecting barrel 1 is also equipped with waste gas inlet 9.

[0016] In the embodiment of the utility model, first high pressure nozzle 6 is installed in the axis position of dust collecting barrel 1, and is located below filter screen 3. First high pressure nozzle 6 adopts atomizing spray nozzle, and sprays to all directions through atomizing spray, and the process and state that water is converted into fine water mist and sprays to all directions, and these fine water mists can increase the contact area with waste gas, and are beneficial to the adsorption, dissolution and other treatments of pollutants in waste gas. "Atomizing water curtain" is more focused on describing the curtain-like form formed by atomized water, and it not only has certain thickness and area, and can block and purify waste gas, but also can more carefully treat waste gas and improve purification effect compared with common water curtain.

[0017] In the embodiment of the utility model, second high pressure nozzle 7 is installed on the inner wall of dust collecting barrel 1, and the position of second high pressure nozzle 7 is lower than that of first high pressure nozzle 6. Second high pressure nozzle 7 adopts large-displacement nozzle that can horizontally swing and spray, and can impact water flow and large particle substances in waste gas, so that large particle pollutants can be settled.

[0018] In the embodiment of the utility model, the position of waste gas inlet 9 is lower than that of second high pressure nozzle 7. Waste gas is sucked from waste gas inlet 9 by high pressure fan 2, sequentially passes through the water curtain formed by second high pressure nozzle 7 and first high pressure nozzle 6, and then is discharged by high pressure fan 2 after passing through filter screen 3, so that pollutants in waste gas can be separated.

[0019] In the embodiment of the utility model, the bottom end of dust collecting barrel 1 is inverted conical, the bottom end center is provided with overflow port 10, and overflow port 10 is connected with water pool 4. Water containing pollutants enters water pool 4 after passing through overflow port 10.

[0020] In the embodiment of the utility model, the dust collecting barrel is made of 2.0T thickness iron plate.

[0021] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A boiler exhaust gas separation device, characterized by, The dust collecting barrel, high pressure fan, filter screen, water tank, high pressure water pump, first high pressure nozzle and second high pressure nozzle are provided, the high pressure fan is installed at the top end of the dust collecting barrel, the filter screen is installed at the upper end of the inner cavity of the dust collecting barrel, the water tank is arranged at the bottom end of the dust collecting barrel, the high pressure water pump is arranged in the water tank, the high pressure water pump is provided with a water outlet pipe, the water outlet pipe is connected with the first high pressure nozzle and the second high pressure nozzle respectively, the first high pressure nozzle and the second high pressure nozzle are installed in the inner cavity of the dust collecting barrel, and the bottom end of the dust collecting barrel is further provided with a waste gas inlet.

2. A boiler flue gas separation device according to claim 1, characterised in that: The first high pressure nozzle is installed at the axial position of the dust collecting barrel and is located below the filter screen.

3. A boiler flue gas separation device according to claim 2, characterised in that: The second high pressure nozzle is installed on the inner wall of the dust collecting barrel, and the position of the second high pressure nozzle is lower than that of the first high pressure nozzle.

4. A boiler flue gas separation device according to claim 3, characterised in that: The position of the waste gas inlet is lower than that of the second high pressure nozzle.

5. A boiler flue gas separation device according to claim 4, characterised in that: The bottom end of the dust collecting barrel is in the shape of an inverted cone, a water overflow port is arranged at the center of the bottom end, and the water overflow port is connected with the water tank.

6. A boiler flue gas separation device according to claim 1, characterized in that: The dust collecting barrel is made of an iron plate with a thickness of 2.0T.

Images