CN110732236A

CN110732236A - Spray tower for air purification furnaces

Info

Publication number: CN110732236A
Application number: CN201911156968.2A
Authority: CN
Inventors: 夏涛
Original assignee: Xinchang Leitao Machinery Co Ltd
Current assignee: JIANGSU FENGFENG HONGYUN ENVIRONMENT PROTECT TECHNOLOGY DEVELOPMENT Co.,Ltd.
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-01-31
Anticipated expiration: 2039-11-22
Also published as: CN110732236B; CN111569635A; CN111569635B

Abstract

The invention discloses a spray tower for air purification furnaces, relates to the technical field of spray towers, and solves the problems that the uniform distribution effect of airflow of the spray tower of the existing air purification furnaces is limited, and the airflow distribution in the tower is still uneven.A spray tower for the air purification furnaces comprises a splitter disc and a splitter column, wherein the bottom of the splitter disc is fixedly connected to the end of an air inlet pipe, and the splitter column is in interference insertion connection with the outside of a fixed ring.

Description

Spray tower for air purification furnaces

Technical Field

The invention belongs to the technical field of spray towers, and particularly relates to a spray tower for air purification furnaces.

Background

The spray tower is usually used for the absorption process of extremely fast or rapid chemical reaction or spray dust removal, the spray circulation method is kinds of economic and simple waste gas treatment equipment, the most common method is the counter-current spray method, waste gas flows in from the lower part of the tower, gas passes through the gas flow distribution grid, so that the gas flow can uniformly enter the tower body, the circulating liquid is sprayed from top to bottom through the nozzle, the liquid drops collide and contact with the gas flow containing acid mist, acid components in the waste gas are neutralized by circulating alkali liquor, and the purified gas passes through the defogging layer to remove liquid drops carried by the gas.

The patent with the application number of CN201610469183.0 discloses a piston type single-tube refrigerant heat dissipation waste gas spray tower, which comprises a waste gas inlet, a tower body and a packing layer, wherein the tower body comprises a tower wall, a single-tube refrigerant heat dissipation device is arranged in the tower body, the single-tube refrigerant heat dissipation device is arranged between the waste gas inlet and the packing layer, the single-tube refrigerant heat dissipation device comprises a refrigerant heat dissipation tube and a piston assembly, the piston assembly comprises a sealing piston and a piston connecting rod, one end of the piston connecting rod is connected with the sealing piston, the other end is fixedly connected with the tower wall, the refrigerant heat dissipation tube is closed, the other end is provided with an opening, the piston assembly is inserted into the refrigerant heat dissipation tube through the end of the opening of the refrigerant heat dissipation tube, the tower wall is provided with wall holes matched with the refrigerant heat dissipation tube, and the closed end of the refrigerant heat dissipation tube passes through the wall holes to be telescopically probed outside the tower body so that waste gas.

Among the prior art, the spray tower of air purification stove is when admitting air, the inlet pipe is with fixed angle downward sloping air supply, rely on air current self dilatation, diffusion and inertia effect carry out the air current distribution, but such air current equipartition effect is limited, the air current distribution is still very inhomogeneous in the tower, the relative tower wall side local wind speed of entry is too big, and the thick liquid density that this part region sprayed is little, mostly be the wainscot flow, so cause in the partial air current sulfur dioxide not by the desorption completely just by the desulfurizing tower of discharging, and simultaneously, local wind speed is too big also can make the not fine performance effect of defroster, cause the serious phenomenon of chimney exit area liquid, both polluted environment has also wasted the adsorbent.

In view of the above, the present invention provides kinds of spray towers for air cleaning furnaces by improving the existing structure and defects, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides spray towers for air purification furnaces, which are used for solving the problems that when the spray tower of the existing air purification furnace is used for air intake, an inlet pipeline downwards inclines at a fixed angle of for air supply, air flow distribution is carried out by depending on the self expansion, diffusion and inertia of air flow, but the air flow distribution effect is limited, the air flow distribution in the tower is still uneven, the local air speed on the side of a tower wall opposite to an inlet is overlarge, the density of slurry sprayed in the part of area is small and mostly flows close to the wall, so that sulfur dioxide in part of air flow is discharged out of a desulfurization tower without being completely removed, meanwhile, the demister cannot well play a role due to overlarge local air speed, the phenomenon of liquid carrying at the outlet of a chimney is caused, the environment is polluted, and adsorbents are wasted.

The purpose and the effect of the spray tower for the air purification furnace are achieved by the following specific technical means:

spray tower for air purification furnace comprises a tower body, a circulating water pump, a splitter disc, a splitter column and a pressure relief mechanism, wherein the bottom of the tower body is fixedly connected with an air inlet pipe, the top of the tower body is fixedly connected with an air outlet pipe, a water pumping port of the circulating water pump is fixedly connected to the bottom in the tower body through a water pipe, a water pumping port of the circulating water pump is fixedly connected with a spray rod through a water pipe, the bottom of the splitter disc is fixedly connected to the end of the air inlet pipe, the top surface of the splitter disc is fixedly connected with a fixing ring, the splitter column is inserted outside the fixing ring in an interference manner, an atomization nozzle is mounted on a rod body of the spray rod, and the pressure relief mechanism is.

, the pressure relief mechanism comprises an anti-seepage baffle ring, a piston rod, a piston sheet and a constant pressure spring, the anti-seepage baffle ring is fixedly connected to the top end of the piston rod, the bottom end of the piston rod is fixedly connected with the piston sheet, the constant pressure spring is sleeved outside the piston rod, and the piston rod penetrates through the top of the flow distribution column.

, the column body of the flow dividing column is provided with evenly distributed power discharge holes, and the power discharge holes are designed to incline to side at the cross section of the column body of the flow dividing column.

And , designing the power exhaust hole channel with a high inner part and a low outer part.

, a sliding groove a is arranged on the outer side of the ring body of the fixing ring, a sliding groove b is arranged at the bottom of the flow dividing column, and balls are arranged inside the sliding groove a and the sliding groove b.

, two groups of spraying rods are arranged in the tower body, each group of spraying rods is provided with four spraying rods, the spraying rods are high and low, and the spraying rods of the spraying rods are arranged in a staggered mode.

, the top of the flow-dividing column is designed to be conical, and the bottom of the anti-seepage baffle ring is designed to be inverted conical.

, arranging a rubber sealing layer outside the piston sheet, and arranging a pressure relief hole at the top of the flow dividing column.

Compared with the prior art, the invention has the following beneficial effects:

the device's the mode of supplying gas is for supplying gas from bottom central authorities to through flow distribution disc and reposition of redundant personnel post with getting into the inside wind current homodisperse of tower body, guarantee that the inside waste gas of tower body can be even carry out the contact reaction with the liquid that double-deck spray bar sprayed, solved the spray column of traditional air purification stove and admitted air inhomogeneous, the too big problem of different positions wind speed disparity, make the inside reaction of tower body more abundant, improved the device's practicality.

Firstly, the device's reposition of redundant personnel post is equipped with evenly distributed's power round bar hole, after gaseous entering diverter plate through the intake pipe, the diverter plate continues to distribute gas to each reposition of redundant personnel post, under the effect of gas pressure, gaseous power round bar hole discharge from reposition of redundant personnel post cylinder, and the power round bar hole is the slope design, gas provides power for the reposition of redundant personnel post when the reposition of redundant personnel post discharges, make the reposition of redundant personnel post rotate along solid fixed ring, gu fixed ring and reposition of redundant personnel post's connection position are equipped with the ball, make both frictional force littleer, the rotation of reposition of redundant personnel post is more smooth and easy, the column body that steps were advanced to the gas of tower body inside at the rotation in-process simultaneously to the reposition of redundant personnel post, make the gas distribution of tower body inside more even, with the reaction of spraying liquid more thoroughly, the practicality of the device has been.

Secondly, the inner part of the pore canal of the power row hole is high, the outer part of the pore canal of the power row hole is low, and the design of the diversion column and the anti-seepage baffle ring is conical, so that when a spray rod at the top sprays, spray liquid cannot enter the diversion column through the gap of the power row hole or the pressure relief mechanism, the damage of the device and the waste of the spray liquid are avoided, and the durability of the device is improved.

Furthermore, the design of pressure release mechanism makes when the too big reposition of redundant personnel post of atmospheric pressure of intake pipe can not in time discharge inside gas, inside great pressure can jack-up piston piece, treat behind the piston piece by jack-up fixed height, the inside gas of intake pipe and reposition of redundant personnel dish can be through in the pressure release hole discharge tube at reposition of redundant personnel post top, treat behind the atmospheric pressure decline piston piece whereabouts shutoff pressure release hole again under the effect of level pressure spring, make the device continue normal work, avoided because of the too big phenomenon emergence that causes the device internal flow post to damage of intake pipe pressure, the stability of the device has been improved.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic view of the internal structure of the inlet pipe, diverter tray and diverter column of the present invention.

Fig. 4 is a schematic structural view of the intake pipe, diverter tray and diverter column of the present invention after disassembly.

Fig. 5 is a schematic view of the pressure relief mechanism of the present invention.

FIG. 6 is a side cross-sectional view of a split-flow column of the present invention.

FIG. 7 is a cross-sectional view of a split-flow column of the present invention.

Fig. 8 is an enlarged schematic view of the portion a of the present invention.

Fig. 9 is an enlarged schematic view of the part B of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a tower body; 2. an air inlet pipe; 3. an air outlet pipe; 4. a water circulating pump; 5. a diverter tray; 6. a flow-dividing column; 7. a spray bar; 8. a pressure relief mechanism; 9. a fixing ring; 601. power row holes; 602. a chute b; 603. a pressure relief vent; 801. an anti-seepage baffle ring; 802. a piston rod; 803. a piston plate; 804. a constant pressure spring; 901. a chute a;

Detailed Description

The following provides a detailed description of an embodiment of the present invention, taken in conjunction with the accompanying drawings and examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.

In the description of the present invention, unless otherwise specified, "plurality" means two or more, and the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "connected" and "connected" shall be construed , and for example, may be a fixed connection, a detachable connection, or physically connected, may be a mechanical connection, an electrical connection, a direct connection, or an indirect connection via an intermediary.

Example (b):

as shown in figures 1 to 9:

the invention provides a spray tower for an air purification furnace, which comprises a tower body 1, a circulating water pump 4, a splitter disc 5, a splitter column 6 and a pressure relief mechanism 8, wherein the bottom of the tower body 1 is fixedly connected with an air inlet pipe 2, the top of the tower body 1 is fixedly connected with an air outlet pipe 3, a water pumping port of the circulating water pump 4 is fixedly connected with the bottom in the tower body 1 through a water pipe, a water pumping port of the circulating water pump 4 is fixedly connected with a spray rod 7 through a water pipe, the bottom of the splitter disc 5 is fixedly connected with the end of the air inlet pipe 2, the top of the splitter disc 5 is fixedly connected with a fixing ring 9, the splitter column 6 is inserted outside the fixing ring 9 in an interference manner, the top of the splitter column 6 is in a conical design, the bottom of an anti-seepage blocking ring 801 is in an inverted conical design as shown in figures 5 and 6, spray liquid cannot enter the splitter column 6 through gaps of the anti seepage blocking ring 801 and the splitter column 6, damage of the device and waste of the spray liquid are avoided, the device is improved in durability, an atomization nozzle is installed on a rod body of the spray rod 7, the pressure relief mechanism 8 is inserted in the flow distribution column 6, the anti seepage blocking ring 802, the pressure relief mechanism 8 is connected with a piston rod 802, a piston rod 602 a piston rod which is connected with a piston rod of a piston rod 802, a piston rod and a piston rod 602, a piston rod which is connected with a piston rod of a piston rod and a piston rod of a piston rod which is connected with a piston rod and a piston rod of a piston.

Wherein, the cylinder of reposition of redundant personnel post 6 is equipped with evenly distributed's power round bar hole 601, and power round bar hole 601 is for inclining the design to side at the cylinder cross section of reposition of redundant personnel post 6, as shown in figure 7, this design makes score reposition of redundant personnel post 6 when discharging inside gas, also can obtain power and makes score reposition of redundant personnel post 6 can prolong diverter plate 5 and rotate, it is even to advance step makes the inside gas distribution of tower body 1, fully with spray liquid reaction, the practicality of the device has been improved.

The hole channel of the power row hole 601 is designed to be high inside and low outside, as shown in fig. 6, when the spray rod 7 sprays, the spray liquid cannot enter the inside of the flow dividing column 6 through the power row hole 601 due to the design, the damage of the device and the waste of the spray liquid are avoided, and the durability of the device is improved.

Wherein, spray rod 7 is equipped with two sets ofly in tower body 1, and every group sprays rod 7 and is equipped with four spray bars, and spray rod 7 is height low designs, and spray rod 7's spray bar is dislocation arrangement, as shown in figure 2, this design makes spray rod 7 can be with the even inside that sprays tower body 1 of liquid that sprays, can be abundant with gaseous reaction, has improved the device's flexibility.

Wherein, the outside of piston piece 803 is equipped with the rubber sealing layer, the top of reposition of redundant personnel post 6 is equipped with pressure release hole 603, as shown in fig. 6, this design makes when the atmospheric pressure of intake pipe 2 is too big reposition of redundant personnel post 6 can not in time discharge inside gas, inside great pressure can jack-up piston piece 803, treat that piston piece 803 is by jack-up fixed height back, the inside gas of intake pipe 2 and reposition of redundant personnel 5 can be through in the pipeline of the pressure release hole 603 at reposition of redundant personnel post 6 top, treat that atmospheric pressure descends and block pressure release hole 603 under the effect of level pressure spring 804 again of piston piece 803, make the device continue normal work, avoided because of the phenomenon that intake pipe 2 pressure is too big to cause the damage of reposition of redundant personnel post 6 in the device to take place, the stability of the device has been improved.

The specific use mode and function of the embodiment are as follows:

in the invention, an air supply pump is connected with an air inlet pipe 2 to convey waste gas to the interior of a tower body 1, a switch of a circulating water pump 4 is started to enable a spray rod 7 in the tower body 1 to spray liquid to the interior of the tower body 1, after the gas enters a diversion disc 5 through the air inlet pipe 2, the diversion disc 5 continuously distributes the gas to each diversion column 6, the gas is discharged from a power discharge hole 601 in the column body of the diversion column 6 under the action of gas pressure, the power discharge hole 601 is designed to be inclined, the gas provides power for the diversion column 6 when discharging the diversion column 6, the diversion column 6 can rotate along a fixing ring 9, a ball is arranged at the connecting part of the fixing ring 9 and the diversion column 6, so that the friction force between the gas and the diversion column 6 is smaller, the rotation of the diversion column 6 is smoother, meanwhile, the gas in the tower body 1 is mixed in a moving step during the rotation process of the diversion column 6, the gas in the tower body 1 is distributed more uniformly, the gas in the tower body 1 is reacted with the spray liquid, when the gas pressure in the large diversion column 6 cannot be discharged in the column in time when the large diversion column 6, the pressure relief column 6 cannot be discharged in the pressure relief column, the pressure relief column enters a pressure-limiting piston plate, the piston plate reaches a pressure-limiting piston plate, the top of a pressure-limiting piston plate, the piston plate 603, the piston plate is designed to be stopped, the piston plate is not damaged, the piston plate.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

The spray tower for the air purification furnaces is characterized by comprising a tower body (1), a circulating water pump (4), a splitter disc (5), a splitter column (6) and a pressure relief mechanism (8), wherein the bottom of the tower body (1) is fixedly connected with an air inlet pipe (2), the top of the tower body (1) is fixedly connected with an air outlet pipe (3), a water pumping port of the circulating water pump (4) is fixedly connected to the inner bottom of the tower body (1) through a water pipe, a water pumping port of the circulating water pump (4) is fixedly connected with a spray rod (7) through a water pipe, the bottom of the splitter disc (5) is fixedly connected to the end of the air inlet pipe (2), the top surface of the splitter disc (5) is fixedly connected with a fixing ring (9), the splitter column (6) is inserted outside the fixing ring (9) in an interference mode, an atomization nozzle is mounted on a rod body of the spray rod (7), and the pressure relief mechanism (8) is inserted inside the splitter.
2. The spray tower for an air cleaning furnace according to claim 1, wherein: pressure relief mechanism (8) are including preventing that seepage keeps off ring (801), piston rod (802), piston piece (803) and level pressure spring (804), prevent that seepage keeps off ring (801) fixed connection is on the top of piston rod (802), the bottom fixed connection piston piece (803) of piston rod (802), and the outside of piston rod (802) has cup jointed level pressure spring (804), the top of flow column (6) is crossed in piston rod (802).
3. The spray tower for the air cleaning furnace according to claim 1, wherein the column body of the splitter column (6) is provided with uniformly distributed power discharge holes (601), and the power discharge holes (601) are designed to be inclined towards sides at the column body cross section of the splitter column (6).
4. The spray tower for an air cleaning furnace according to claim 3, wherein: the hole channel of the power row hole (601) is designed to be high inside and low outside.
5. The spray tower for an air cleaning furnace according to claim 1, wherein: the outer side of the ring body of the fixing ring (9) is provided with a sliding groove a (901), the bottom of the flow dividing column (6) is provided with a sliding groove b (602), and balls are arranged inside the sliding groove a (901) and the sliding groove b (602).
6. The spray tower for the air purification furnace according to claim 1, wherein two groups of spray bars (7) are arranged in the tower body (1), each group of spray bars (7) is provided with four spray bars, the spray bars (7) are high and low, and the spray bars of the spray bars (7) are arranged in a staggered manner.
7. The spray tower for an air cleaning furnace as claimed in claims 1 and 2, wherein: the top of the diversion column (6) is designed to be conical, and the bottom of the anti-seepage ring (801) is designed to be inverted conical.
8. The spray tower for an air cleaning furnace as claimed in claims 1 and 2, wherein: the outside of piston piece (803) is equipped with the rubber sealing layer, the top of reposition of redundant personnel post (6) is equipped with pressure release hole (603).