CN210159450U - Exhaust gas purification equipment is used in ammonium paratungstate production - Google Patents
Exhaust gas purification equipment is used in ammonium paratungstate production Download PDFInfo
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- CN210159450U CN210159450U CN201920867817.7U CN201920867817U CN210159450U CN 210159450 U CN210159450 U CN 210159450U CN 201920867817 U CN201920867817 U CN 201920867817U CN 210159450 U CN210159450 U CN 210159450U
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Abstract
The utility model discloses a waste gas purification device for ammonium paratungstate production, which comprises an air heat exchanger, a cyclone dust collector and a spray tower, the air inlet of the air heat exchanger is in threaded butt joint with a waste gas inlet pipe, the air outlet of the air heat exchanger is in butt joint with the air inlet of the fan through an air outlet pipe, the air outlet of the fan is in butt joint with the air inlet of the cyclone dust collector through the exhaust pipe, the clean gas outlet at the top of the cyclone dust collector is in butt joint with the air outlet pipe of the cyclone dust collector, the utility model can realize the heat exchange between the cooling water tank and the air heat exchanger under the action of the three-way valve, or the heat exchange between the air heat exchanger and the liquid receiving tank, the high-temperature waste gas can be recovered, and the neutralization solution in the reaction process can be heated, so that the neutralization solution can be kept at a higher temperature level, the reaction activity is improved, and the integral purification effect is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas purification and specifically relates to an exhaust-gas purification equipment is used in ammonium paratungstate production.
Background
At present, industrial waste gas is generally discharged after heat recovery, dust removal and neutralization reaction, the whole reaction is in contact with the waste gas by means of spraying of neutralization liquid, the reaction efficiency can be improved because the neutralization liquid needs to keep a certain temperature during the reaction, but the temperature of a plant area is low in winter, extra heating equipment needs to be contacted to improve the temperature of the neutralization liquid, and the whole energy consumption is relatively high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can solve the technical scheme of above-mentioned problem.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a waste gas purification device for ammonium paratungstate production comprises an air heat exchanger, a cyclone dust collector and a spraying tower, wherein a waste gas inlet pipe is in threaded butt joint with an air inlet of the air heat exchanger, an air outlet of the air heat exchanger is in butt joint with an air inlet of a fan through an air outlet pipe, high-temperature waste gas enters the air heat exchanger to realize heat exchange and cooling, and is extracted under the action of the fan in an auxiliary mode, an air outlet of the fan is in butt joint with an air inlet of the cyclone dust collector through an exhaust pipe, a clean gas outlet at the top of the cyclone dust collector is in butt joint with an air outlet pipe of the cyclone dust collector, and dust particles in the waste gas are separated and collected under the; the air outlet pipe of the cyclone dust collector is butted with the air inlet at the bottom of the side surface of the spraying tower, and the waste gas after dust removal enters the spraying tower for further treatment; a plurality of annular tubular water distributors are welded and fixed on the inner wall of the spraying tower, spray holes are formed in the inner side surface and the lower surface of each water distributor, atomizing nozzles are in threaded butt joint with the spray holes, the water distributors are arranged at equal intervals from top to bottom, and the air outlet end of the air outlet pipe of the cyclone dust collector is positioned below the lowest water distributor; the liquid inlets of the water distributors are welded and butted with spraying pipes, the liquid inlet ends of the spraying pipes penetrate to the outer side of the spraying tower through holes in the side wall of the spraying tower, the spraying pipes are fixedly connected with the spraying tower in a welded mode, the liquid inlet ends of the spraying pipes are connected to the liquid outlet of the liquid feeding pipe, the liquid inlet of the liquid feeding pipe is connected with the liquid outlet of the booster pump in a butted mode, the liquid inlet of the booster pump is connected with the liquid outlet of the liquid storage tank in a butted mode through a liquid pumping pipe, at the moment, neutralizing reaction liquid in the liquid storage tank is pumped out under the action of the booster pump and is pressurized and fed to the water distributors, high-pressure neutralizing reaction liquid is sprayed out in a vaporific mode through the atomizing; the top and the bottom of the spraying tower are respectively provided with an exhaust port and a neutralization solution recovery port, a solution collecting box with an opening at the upper end is arranged below the neutralization solution recovery port, and neutralization solution sprayed by an atomizing nozzle flows into the solution collecting box through the neutralization solution recovery port; a liquid storage tank liquid return pipe is arranged between the liquid receiving tank and the liquid storage tank, two ends of the liquid storage tank liquid return pipe respectively receive a first liquid outlet of the liquid storage tank and a liquid return port of the liquid storage tank, a conveying pump is connected in series on the liquid storage tank liquid return pipe, and the conveying pump is used for returning neutralizing liquid in the liquid receiving tank to the liquid storage tank, so that the neutralizing liquid can be reused, and the use cost is reduced; the air heat exchanger is provided with a cooling water inlet and a cooling water outlet, wherein the cooling water inlet and the cooling water outlet are respectively connected with a liquid collecting box liquid discharge pipe and a liquid collecting box liquid return pipe, the other ends of the liquid collecting box liquid discharge pipe and the liquid collecting box liquid return pipe are respectively connected with a second liquid outlet of the liquid collecting box and a liquid collecting box liquid return port, the liquid collecting box liquid discharge pipe and the liquid collecting box liquid return pipe are both provided with a conveying pump in series, a neutralization liquid in the liquid collecting box is pumped out by the conveying pump and the liquid collecting box liquid discharge pipe and is sent into the air heat exchanger for heat exchange, and the neutralization liquid as a heat exchange medium in the air heat exchanger is pumped into the liquid collecting box by the conveying pump and the liquid collecting box liquid return pipe, so that the neutralization liquid not only reduces the temperature of waste gas, but also absorbs the temperature of the waste gas, thereby leading the neutralization liquid to reach a proper reaction temperature and avoiding the occurrence of insufficient reaction strength due to over-low, the temperature of the waste gas is utilized integrally, so that the environment is protected; the liquid discharge pipe of the liquid receiving tank and the liquid return pipe of the liquid receiving tank are connected in series with three-way valves, the liquid discharge pipe of the liquid receiving tank and the liquid return pipe of the liquid receiving tank are respectively connected with a cooling water return pipe and a cooling water outlet pipe through respective three-way valves, wherein the cooling water return pipe and the cooling water outlet pipe are respectively connected with a water return port and a water outlet of a cooling water tank, the cooling water return pipe and the cooling water outlet pipe are respectively connected in series with a delivery pump, the cooling water tank is used for storing conventional cooling media such as tap water or common industrial cooling water, the heat exchange between the cooling water tank and an air heat exchanger can be realized under the action of the three-way valves, or the heat exchange between the air heat exchanger and the liquid receiving tank is realized, at the moment, high-temperature waste gas can be recovered, and the neutralization liquid in the reaction process can be heated, thus effectively improving the overall purification effect.
As a further aspect of the present invention: and water valves are respectively arranged on the cooling water outlet pipe and the cooling water return pipe.
As a further aspect of the present invention: and a water valve is arranged on the liquid return pipe of the liquid storage tank.
As a further aspect of the present invention: a thermometer is arranged in the liquid storage tank, and the temperature of the neutralization liquid is detected by the thermometer.
As a further aspect of the present invention: an ash collecting box is butted with an ash discharging port at the bottom of the cyclone dust collector.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses can realize the heat exchange between coolant tank and the air heat exchanger under the effect of three-way valve, perhaps air heat exchanger and the heat exchange of receiving the liquid case, high temperature waste gas not only can obtain retrieving this moment, can heat the neutralization solution of reaction process moreover, can let neutralization solution keep at higher temperature level like this to improve the reactivity, effectual holistic purifying effect that has improved like this.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is a schematic view of a partial structure of the present invention.
The labels in the figures are: 1-waste gas inlet pipe, 2-air heat exchanger, 3-air outlet pipe, 4-blower, 5-exhaust pipe, 6-cyclone dust collector, 7-ash collecting box, 8-cyclone dust collector air outlet pipe, 9-spraying tower, 10-spraying pipe, 11-liquid feeding pipe, 12-booster pump, 13-liquid pumping pipe, 14-liquid storage box, 15-liquid collecting box, 16-delivery pump, 17-liquid storage box liquid return pipe, 18-liquid collecting box liquid discharge pipe, 19-liquid collecting box liquid return pipe, 20-three-way valve, 21-cooling water outlet pipe, 22-cooling water return pipe, 23-cooling water tank, 25-water distributor and 26-atomizing spray head.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following description is made for the technical solution of the present invention in the embodiments to explain the present invention clearly and completely, obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.
Please refer to fig. 1-3, in the embodiment of the present invention, an exhaust gas purifying apparatus for ammonium paratungstate production, includes an air heat exchanger 2, a cyclone dust collector 6 and a spraying tower 9, an air inlet screw of the air heat exchanger 2 is butt-jointed with a waste gas inlet pipe 1, an air outlet of the air heat exchanger 2 is butt-jointed with an air inlet of a fan 4 through an air outlet pipe 3, at this time, high-temperature waste gas enters the air heat exchanger 2 to realize heat exchange and temperature reduction, and is also extracted under the action of the fan 4, an air outlet of the fan 4 is butt-jointed with an air inlet of the cyclone dust collector 6 through an exhaust pipe 5, a top clean gas outlet of the cyclone dust collector 6 is butt-jointed with a cyclone dust collector air outlet pipe 8, at this time, dust particles in the waste gas are; the air outlet pipe 8 of the cyclone dust collector is butted with an air inlet at the bottom of the side surface of the spraying tower 9, and the waste gas after dust removal enters the spraying tower 9 for further treatment; a plurality of annular tubular water distributors 25 are welded and fixed on the inner wall of the spraying tower 9, spray holes are formed in the inner side surface and the lower surface of each water distributor 25, atomizing nozzles 26 are in threaded butt joint at the spray holes, the water distributors 25 are arranged at equal intervals from top to bottom, and the air outlet end of the air outlet pipe 8 of the cyclone dust collector is positioned below the lowest water distributor 25; a liquid inlet of the water distributor 25 is welded and butted with a spraying pipe 10, a liquid inlet end of the spraying pipe 10 penetrates to the outer side of the spraying tower 9 through a through hole on the side wall of the spraying tower 9, the spraying pipe 10 is fixedly connected with the spraying tower 9 in a welded mode, a liquid inlet end of the spraying pipe 10 is connected with a liquid outlet of a liquid conveying pipe 11, a liquid inlet of the liquid conveying pipe 11 is butted with a liquid outlet of a booster pump 12, a liquid inlet of the booster pump 12 is butted with a liquid outlet of a liquid storage tank 14 through a liquid pumping pipe 13, at the moment, neutralizing reaction liquid in the liquid storage tank 14 is pumped out and pressurized under the action of the booster pump 12 and is conveyed to the water distributor 25, high-pressure neutralizing reaction liquid is sprayed out in a foggy shape through an atomizing spray head 26, and at the; the top and the bottom of the spraying tower 9 are respectively provided with an exhaust port and a neutralization solution recovery port, a solution receiving tank 15 with an opening at the upper end is arranged below the neutralization solution recovery port, and neutralization solution sprayed by the atomizing spray head 26 flows into the solution receiving tank 15 through the neutralization solution recovery port; a liquid storage tank liquid return pipe 17 is arranged between the liquid receiving tank 15 and the liquid storage tank 14, two ends of the liquid storage tank liquid return pipe 17 respectively receive a first liquid outlet of the liquid storage tank 15 and a liquid return port of the liquid storage tank 14, a conveying pump 16 is serially connected to the liquid storage tank liquid return pipe 17, and a neutralized liquid in the liquid receiving tank 15 is returned to the liquid storage tank 14 by the conveying pump 16, so that the neutralized liquid can be reused, and the use cost is reduced; the air heat exchanger 2 is provided with a cooling water inlet and a cooling water outlet, wherein the cooling water inlet and the cooling water outlet are respectively connected with a liquid receiving tank liquid discharge pipe 18 and a liquid receiving tank liquid return pipe 19, the other ends of the liquid receiving tank liquid discharge pipe 18 and the liquid receiving tank liquid return pipe 19 are respectively connected with a second liquid outlet of the liquid receiving tank 15 and a liquid receiving tank liquid return port, the liquid receiving tank liquid discharge pipe 18 and the liquid receiving tank liquid return pipe 19 are both connected with a conveying pump 16 in series, a neutralizing liquid in the liquid receiving tank 15 is pumped out by the conveying pump 16 and the liquid receiving tank liquid discharge pipe 18 and is sent into the air heat exchanger 2 for heat exchange, and the neutralizing liquid which is taken as a heat exchange medium in the air heat exchanger 2 is pumped into the liquid receiving tank 15 by the conveying pump 16 and the liquid receiving tank liquid return pipe 19, so that the neutralizing liquid not only reduces the temperature of the waste gas, but also absorbs the temperature of the waste gas, thereby enabling the neutralizing liquid to reach a proper reaction temperature, the phenomenon that the reaction strength is insufficient due to too low temperature is avoided, and the temperature of waste gas is utilized integrally, so that the environment is protected; the liquid discharge pipe 18 of the liquid receiving tank and the liquid return pipe 19 of the liquid receiving tank are connected in series with a three-way valve 20, the liquid discharge pipe 18 of the liquid receiving tank and the liquid return pipe 19 of the liquid receiving tank are respectively connected with a cooling water return pipe 22 and a cooling water outlet pipe 21 through respective three-way valves 20, wherein the cooling water return pipe 22 and the cooling water outlet pipe 21 are respectively connected with a water return port and a water outlet port of a cooling water tank 23, the cooling water return pipe 22 and the cooling water outlet pipe 21 are both connected in series with a delivery pump 16, the cooling water tank 23 is used for storing conventional cooling media, such as tap water or common industrial cooling water, heat exchange between the cooling water tank 23 and the air heat exchanger 2 can be realized under the action of the three-way valve 20, or heat exchange between the air heat exchanger 2 and the liquid receiving tank 15, high-temperature waste gas can be recycled, and a neutralization liquid in a reaction process can be heated, thereby improving the reaction activity and effectively improving the integral purification effect.
And water valves are respectively arranged on the cooling water outlet pipe 21 and the cooling water return pipe 22.
And a water valve is arranged on the liquid return pipe 17 of the liquid storage tank.
A thermometer is installed in the liquid storage tank 14, and the temperature of the neutralization liquid is detected by the thermometer.
An ash receiving box 7 is butted at an ash discharge port at the bottom of the cyclone dust collector 6.
The utility model discloses a theory of operation is: the neutralization reaction liquid in the liquid storage tank 14 is pumped out and pressurized under the action of the booster pump 12 and is sent to the water distributor 25, the high-pressure neutralization reaction liquid is sprayed out in a fog shape through the atomizing spray head 26, the neutralization liquid is contacted and reacted with the waste gas from bottom to top at the moment, the neutralization liquid sprayed out through the atomizing spray head 26 flows into the liquid receiving tank 15 through the neutralization liquid recycling port, the neutralization liquid in the liquid receiving tank 15 is returned to the liquid storage tank 14 through the delivery pump 16, the reuse of the neutralization liquid can be realized, the use cost is reduced, the neutralization liquid in the liquid receiving tank 15 is pumped out and sent into the air heat exchanger 2 for heat exchange through the delivery pump 16 and the liquid receiving tank liquid discharging pipe 18, the neutralization liquid which is used as a heat exchange medium in the air heat exchanger 2 is pumped into the liquid receiving tank 15 through the delivery pump 16 and the liquid receiving tank liquid returning pipe 19, the temperature of the waste gas is reduced through the neutralization liquid, and the temperature of the waste gas is absorbed at the same, thereby make neutralization solution reach suitable reaction temperature, avoid the temperature to hang down and appear reaction strength inadequately, whole temperature with the help of waste gas, thereby environmental protection more, can realize the heat exchange between coolant tank 23 and air heat exchanger 2 under three-way valve 20's effect, perhaps air heat exchanger 2 and the heat exchange of receiving liquid case 15, high temperature waste gas not only can be retrieved this moment, and can heat the neutralization solution of reaction process, can let neutralization solution keep at higher temperature level like this, thereby improve reactivity, effectual holistic purifying effect has so been improved.
Having thus described the principal technical features and basic principles of the invention, and the advantages thereof, it will be apparent to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description is described in terms of various embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity only, and those skilled in the art will recognize that the embodiments described herein can be combined as a whole to form other embodiments as would be understood by those skilled in the art.
Claims (7)
1. A waste gas purification device for ammonium paratungstate production comprises an air heat exchanger, a cyclone dust collector and a spraying tower, wherein a waste gas inlet pipe is in threaded butt joint with an air inlet of the air heat exchanger, an air outlet of the air heat exchanger is in butt joint with an air inlet of a fan through an air outlet pipe, an air outlet of the fan is in butt joint with an air inlet of the cyclone dust collector through an exhaust pipe, a clean gas outlet at the top of the cyclone dust collector is in butt joint with an air outlet pipe of the cyclone dust collector, and the air outlet pipe of the cyclone dust collector is in butt joint with an air inlet at the bottom of; a plurality of annular tubular water distributors are welded and fixed on the inner wall of the spraying tower, spray holes are formed in the inner side surface and the lower surface of each water distributor, atomizing nozzles are in threaded butt joint with the spray holes, the water distributors are arranged at equal intervals from top to bottom, and the air outlet end of the air outlet pipe of the cyclone dust collector is positioned below the lowest water distributor; the liquid inlets of the water distributors are welded and butted with spraying pipes, the liquid inlet ends of the spraying pipes penetrate to the outer side of the spraying tower through holes in the side wall of the spraying tower, the spraying pipes and the spraying tower are fixedly connected in a welded mode, the liquid inlet ends of the spraying pipes are connected to the liquid outlet of the liquid feeding pipe, the liquid inlet of the liquid feeding pipe is butted with the liquid outlet of the booster pump, and the liquid inlet of the booster pump is butted with the liquid outlet of the liquid storage tank through a liquid pumping pipe; the top and the bottom of the spraying tower are respectively provided with an exhaust port and a neutralization solution recovery port, and a solution collecting tank with an opening at the upper end is arranged below the neutralization solution recovery port; a liquid storage tank liquid return pipe is arranged between the liquid receiving tank and the liquid storage tank, and two ends of the liquid storage tank liquid return pipe respectively receive a first liquid outlet of the liquid storage tank and a liquid return port of the liquid storage tank; the air heat exchanger is characterized in that a cooling water inlet and a cooling water outlet are arranged on the air heat exchanger, wherein the cooling water inlet and the cooling water outlet are respectively connected with a liquid collecting tank liquid discharging pipe and a liquid collecting tank liquid returning pipe, the other ends of the liquid collecting tank liquid discharging pipe and the liquid collecting tank liquid returning pipe are respectively connected with a second liquid outlet of the liquid collecting tank and a liquid collecting tank liquid returning port, and the liquid collecting tank liquid discharging pipe and the liquid collecting tank liquid returning pipe are both connected with a conveying pump in series; the liquid collecting tank liquid discharge pipe and the liquid collecting tank liquid return pipe are connected with three-way valves in series, the liquid collecting tank liquid discharge pipe and the liquid collecting tank liquid return pipe are respectively connected with a cooling water return pipe and a cooling water outlet pipe through respective three-way valves, and the cooling water return pipe and the cooling water outlet pipe are respectively connected to a water return port and a water outlet of the cooling water tank.
2. The exhaust gas purification apparatus for ammonium paratungstate production according to claim 1, wherein water valves are installed on the cooling water outlet pipe and the cooling water return pipe.
3. The exhaust gas purification equipment for ammonium paratungstate production according to claim 1, wherein a water valve is installed on the liquid return pipe of the liquid storage tank.
4. The apparatus for purifying exhaust gas for ammonium paratungstate production according to claim 1, wherein a thermometer is installed in the liquid storage tank.
5. The exhaust gas purification apparatus for ammonium paratungstate production according to claim 1, wherein an ash receiving box is butted to an ash discharge port at the bottom of the cyclone dust collector.
6. The exhaust gas purification apparatus for ammonium paratungstate production according to claim 1, wherein a transfer pump is connected in series to each of the cooling water return pipe and the cooling water outlet pipe.
7. The exhaust gas purification apparatus for ammonium paratungstate production according to claim 1, wherein a transfer pump is installed in series on the liquid return pipe of the liquid storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920867817.7U CN210159450U (en) | 2019-06-11 | 2019-06-11 | Exhaust gas purification equipment is used in ammonium paratungstate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920867817.7U CN210159450U (en) | 2019-06-11 | 2019-06-11 | Exhaust gas purification equipment is used in ammonium paratungstate production |
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| Publication Number | Publication Date |
|---|---|
| CN210159450U true CN210159450U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920867817.7U Expired - Fee Related CN210159450U (en) | 2019-06-11 | 2019-06-11 | Exhaust gas purification equipment is used in ammonium paratungstate production |
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| CN (1) | CN210159450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663420A (en) * | 2021-09-29 | 2021-11-19 | 万博新材料科技（南通）有限公司 | Waste gas purification equipment for water-based resin processing |
-
2019
- 2019-06-11 CN CN201920867817.7U patent/CN210159450U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663420A (en) * | 2021-09-29 | 2021-11-19 | 万博新材料科技（南通）有限公司 | Waste gas purification equipment for water-based resin processing |
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| CF01 | Termination of patent right due to non-payment of annual fee |