CN213172592U

CN213172592U - Alkaline etching ammonia condensation recycle device

Info

Publication number: CN213172592U
Application number: CN202022023659.2U
Authority: CN
Inventors: 刘仁和; 蒋天伟
Original assignee: Jinlu Electronic Technology Co ltd
Current assignee: Jinlu Electronic Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-05-11
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses an alkaline etching ammonia condensation recycle device, including the recovery tower, the left end mid portion of recovery tower is provided with the intake pipe, the inboard top of recovery tower is provided with the fan, the bottom of recovery tower is provided with the actuating pump, the output of actuating pump is provided with the output tube, the inboard upper portion of recovery tower is provided with the ring runner, the inboard of ring runner evenly is provided with a plurality of atomizing spouts along the circumference, the top of recovery tower is provided with U type pipe, U type intraductal dismantlement is connected with dry filter core. Through setting up ring runner and atomizing spout, contain ammonia waste gas and get into the recovery tower from the intake pipe after through fan effect upflow, atomizing spout blowout high pressure atomized water, atomized water with contain ammonia waste gas contact, other impurity filtration absorption that the atomized water will contain in the ammonia waste gas to the cotton drying filter core in the cooperation U type pipe absorbs the filtration to the aqueous vapor in the gas, makes the ammonia reach service standard.

Description

Alkaline etching ammonia condensation recycle device

Technical Field

The utility model relates to an ammonia recovery processing technology field specifically is an alkaline etching ammonia condensation recycle device.

Background

With the warming-up of the electronic industry, the development of the circuit board industry in China is generally promoted, and China will become the largest PCB industry base in the world in recent years, currently accounts for about 60% of the global market, and has a great market prospect. If the online circulation technology of the etching liquid of the printed circuit board can be popularized in the whole industry, the emission of waste gas of PCB enterprises can be greatly reduced, and thus, the method has good social environment and economic benefits. After a certain experience is obtained in successfully developing the domestic market, the international market can be further expanded, and the product is possibly injected into the international market by virtue of the advantages of low domestic development cost and strong professional.

In the production process of the printed circuit board, etching is an important process, because a large amount of ammonia water is used as a complexing agent, the ammonia water is a pollutant for destroying the atmosphere and water resources, the working temperature of an etching line is 50-52 ℃, the ammonia gas is easily pumped out by a waste gas tower in a high-temperature and spraying environment, the ammonia concentration of the waste gas tower is high, the gas is not easy to treat thoroughly, an ammonia nitrogen wastewater station is not easy to treat, most ammonia-containing waste gas treated at present is recovered by combining condensed water with the ammonia nitrogen waste gas by means of a condensation technology, the treatment effect of the technology is obvious, the condensed ammonia water flows back into an etching cylinder and is reused, however, the existing condensation recovery device is lack of a pretreatment mechanism for the ammonia-containing waste gas, other impurities in the ammonia-containing waste gas cannot be treated, and the condensed ammonia water cannot be directly put into the etching line for recycling, the practicality of device is relatively poor, simultaneously, lacks the precooling mechanism to containing ammonia waste gas, directly utilizes the condenser cooling, and the cooling consumption is very big, and energy loss is comparatively serious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an alkaline etching ammonia condensation recycle device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an alkaline etching ammonia gas condensation recycling device comprises a recovery tower, wherein an air inlet pipe is arranged in the middle of the left end of the recovery tower, a fan is arranged at the top of the inner side of the recovery tower, a driving pump is arranged at the bottom of the recovery tower, an output pipe is arranged at the output end of the driving pump, an annular flow passage is arranged at the upper part of the inner side of the recovery tower, a plurality of atomizing nozzles are uniformly arranged on the inner side of the annular flow passage along the circumference, a U-shaped pipe is arranged at the top end of the recovery tower, a drying filter element is detachably connected in the U-shaped pipe, a communicating pipe is arranged at one end of the U-shaped pipe, which is far away from the recovery tower, an evaporative condenser is arranged at one end of the communicating pipe, which is far away from the U-shaped pipe, a liquid outlet, the right end of the output pipe is communicated with the left end of the cooling pipe, a return pipe is arranged at the right part of the top end of the cooling pipe, and one end, far away from the cooling pipe, of the return pipe penetrates through the recovery tower and is connected with the circulation pipeline.

Preferably, the material of dry filter core is dry cotton, be provided with on the inner wall of U type pipe with the two sets of solid fixed rings of dry filter core mutual adaptation, dry filter core joint is between solid fixed ring.

Preferably, the top end of the middle part of the U-shaped pipe is detachably connected with a dismounting opening through a bolt, the length of the dismounting opening is larger than that of the drying filter element, and a sealing glue is arranged at the contact part between the dismounting opening and the U-shaped pipe.

Preferably, the communicating pipe is made of copper-aluminum alloy.

Preferably, the annular flow channel is fixedly connected to the interior of the recovery tower by welding.

Preferably, one end of the liquid outlet, which is far away from the evaporative condenser, is connected with an etching line ammonia water filling port.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up ring runner and atomizing spout, contain ammonia waste gas and get into the recovery tower from the intake pipe and flow upwards through the fan effect, atomizing spout blowout high pressure atomized water, atomized water and containing ammonia waste gas contact, atomized water filters the absorption with other impurity in containing ammonia waste gas, and cooperate the cotton drying filter core in the U type pipe to absorb the aqueous vapor in the gas and filter, make the ammonia reach the service standard, can directly pour into the etching line into after the condensation liquefaction and circulate and reuse, reinforcing the practicality of device; through setting up the cooling tube that has the spiral rib, the inside wall of cooling tube body is the spiral rib of screw-tupe, thereby make the area of contact increase of cooling water and body, cooling efficiency has been improved, still can make the cooling water be in turbulent state always simultaneously, thereby make the cross-sectional temperature of cooling water very even, local heat dissipation phenomenon can not appear, the cooling homogeneity of cooling tube has been improved greatly, more effectual recovery aqueous ammonia, reach the emission reduction of environmental protection, it is better to the precooling effect of ammonia, be favorable to reducing evaporative condenser's cooling consumption, reduce the condensation cost, and the aqueous ammonia after the condensation directly pours into etching line cyclic utilization into, effective recycle ammonia, can not the polluted environment, further reduce the waste of resource.

Drawings

Fig. 1 is a schematic view of the whole internal structure of the present invention.

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

Fig. 3 is a schematic structural view of a U-shaped tube of the present invention.

In the figure: 1. the device comprises a recovery tower, 11, an air inlet pipe, 12, a driving pump, 121, an output pipe, 13, a ring flow channel, 131, an atomizing nozzle, 14, a fan, 2, a U-shaped pipe, 21, a drying filter element, 22, a fixing ring, 23, a disassembly port, 3, a communicating pipe, 4, a cooling pipe, 41, spiral ribs, 42, a return pipe, 5, an evaporative condenser, 51 and a liquid outlet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and the detailed description.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides an alkaline etching ammonia condensation recycling device, which comprises a recovery tower 1, an air inlet pipe 11 is arranged at the middle part of the left end of the recovery tower 1, a fan 14 is arranged at the top of the inner side of the recovery tower 1 for guiding the movement of ammonia-containing waste gas, a driving pump 12 is arranged at the bottom of the recovery tower 1, an output pipe 121 is arranged at the output end of the driving pump 12, a ring flow passage 13 is arranged at the upper part of the inner side of the recovery tower 1, the ring flow passage 13 is fixedly connected to the inside of the recovery tower 1 by welding, a plurality of atomizing nozzles 131 are uniformly arranged along the circumference at the inner side of the ring flow passage 13, a U-shaped pipe 2 is arranged at the top end of the recovery tower 1, a drying filter element 21 is detachably connected in the U-shaped pipe 2, the material of the drying filter element 21 is dry cotton, by arranging the ring flow passage 13 and, the atomizing nozzle 131 sprays high-pressure atomized water, the atomized water contacts with the waste gas containing ammonia, the atomized water filters and adsorbs other impurities in the waste gas containing ammonia, and the atomized water is matched with a cotton drying filter element 21 in a U-shaped pipe 2 to absorb and filter water vapor in the gas, so that ammonia reaches the use standard, the atomized water can be directly injected into an etching line for recycling after condensation liquefaction, the practicability of the device is enhanced, two groups of fixing rings 22 matched with the drying filter element 21 are arranged on the inner wall of the U-shaped pipe 2, the drying filter element 21 is clamped between the fixing rings 22, the top end of the middle part of the U-shaped pipe 2 is detachably connected with a dismounting port 23 through a bolt, the length of the dismounting port 23 is larger than that of the drying filter element 21, a contact part between the dismounting port 23 and the U-shaped pipe 2 is provided with sealant, the drying filter element 21 is detachably connected and the dismounting port, the filtering effect begins to decline, the user of the utility model is convenient to replace the drying filter element 21 in time, the drying filter element 21 is ensured to absorb moisture in time, the end of the U-shaped pipe 2 far away from the recovery tower 1 is provided with the communicating pipe 3, the material of the communicating pipe 3 is copper-aluminum alloy, the end of the communicating pipe 3 far away from the U-shaped pipe 2 is provided with the evaporative condenser 5, the output end of the evaporative condenser 5 is provided with the liquid outlet 51, the end of the liquid outlet 51 far away from the evaporative condenser 5 is connected with the etching line ammonia water filling port, the outer side of the middle part of the communicating pipe 3 is provided with the cooling pipe 4, the inner side of the cooling pipe 4 is provided with the spiral ribs 41 which are evenly distributed, the right end of the output pipe 121 is communicated with the left end of the cooling pipe 4, the right part of the top end of the cooling pipe 4 is provided with the, the inside wall of 4 bodys of cooling tube is spiral rib 41 of screw-tupe, thereby make the area of contact increase of cooling water and body, cooling efficiency has been improved, still can make the cooling water be in turbulent state always simultaneously, thereby make the cross-sectional temperature of cooling water very even, local heat dissipation phenomenon can not appear, the cooling homogeneity of cooling tube 4 has been improved greatly, more effectual recovery aqueous ammonia, reach the emission reduction of environmental protection, precooling effect to the ammonia is better, be favorable to reducing evaporative condenser 5's cooling consumption, reduce the condensation cost, and the aqueous ammonia after the condensation directly pours into etching line cyclic utilization into, effective recycle ammonia, can not the polluted environment, further reduce the waste of resource.

The working principle is as follows: when the utility model is used, after ammonia-containing waste gas enters the recovery tower 1 from the air inlet pipe 11, the waste gas flows upwards under the action of the fan 14, the atomizing nozzle 131 sprays high-pressure atomized water, the atomized water contacts with the ammonia-containing waste gas, the atomized water filters and adsorbs other impurities in the ammonia-containing waste gas, and the cotton drying filter element 21 in the U-shaped pipe 2 is matched to absorb and filter the water vapor in the gas, so that the ammonia gas reaches the use standard, the condensed and liquefied ammonia gas can be directly injected into an etching line for recycling, the practicability of the device is enhanced, the cooling pipe 4 with the spiral rib 41 is arranged, after the ammonia-containing waste gas enters the communicating pipe 3, the inner side wall of the pipe body of the cooling pipe 4 is the spiral rib 41, thereby the contact area between the cooling water and the pipe body is increased, the cooling efficiency is improved, meanwhile, the cooling water can be always in a turbulent state, the phenomenon of local heat dissipation can not appear, the cooling homogeneity of cooling tube 4 has been improved greatly, more effective recovery aqueous ammonia, reach the emission reduction of environmental protection, it is better to the precooling effect of ammonia, be favorable to reducing evaporative condenser 5's cooling consumption, reduce the condensation cost, the cooling water gets back to circulation way 13 in the recovery tower 1 again through back flow 42 afterwards, form cooling water circulation system, contain ammonia waste gas and get into evaporative condenser 5 condensation liquefaction, the aqueous ammonia after the condensation directly pours into etching line cyclic utilization into, effective recycle ammonia, can not the polluted environment, further reduce the waste of resource.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an alkaline etching ammonia condensation recycle device, includes recovery tower (1), its characterized in that: an air inlet pipe (11) is arranged in the middle of the left end of the recovery tower (1), a fan (14) is arranged at the top of the inner side of the recovery tower (1), a driving pump (12) is arranged at the bottom of the recovery tower (1), an output pipe (121) is arranged at the output end of the driving pump (12), a ring flow passage (13) is arranged on the upper portion of the inner side of the recovery tower (1), a plurality of atomizing nozzles (131) are uniformly arranged on the inner side of the ring flow passage (13) along the circumference, a U-shaped pipe (2) is arranged at the top end of the recovery tower (1), a drying filter element (21) is detachably connected in the U-shaped pipe (2), a communicating pipe (3) is arranged at one end of the U-shaped pipe (2) far away from the recovery tower (1), an evaporative condenser (5) is arranged at one end of the communicating pipe (3) far away from, the outer side of the middle part of the communicating pipe (3) is provided with a cooling pipe (4), the inner side of the cooling pipe (4) is provided with spiral ribs (41) which are uniformly distributed, the right end of the output pipe (121) is communicated with the left end of the cooling pipe (4), the right part of the top end of the cooling pipe (4) is provided with a return pipe (42), and one end, far away from the cooling pipe (4), of the return pipe (42) penetrates through the recovery tower (1) to be connected with the circulation channel (13).

2. The alkaline etching ammonia gas condensation recycling device according to claim 1, characterized in that: the material of dry filter core (21) is dry cotton, be provided with on the inner wall of U type pipe (2) with the two sets of solid fixed rings (22) of dry filter core (21) mutual adaptation, dry filter core (21) joint is between solid fixed ring (22).

3. The alkaline etching ammonia gas condensation recycling device according to claim 1, characterized in that: the top end of the middle part of the U-shaped pipe (2) is detachably connected with a dismounting opening (23) through a bolt, the length of the dismounting opening (23) is larger than that of the drying filter element (21), and a sealing glue is arranged at the contact part between the dismounting opening (23) and the U-shaped pipe (2).

4. The alkaline etching ammonia gas condensation recycling device according to claim 1, characterized in that: the communicating pipe (3) is made of copper-aluminum alloy.

5. The alkaline etching ammonia gas condensation recycling device according to claim 1, characterized in that: the annular flow channel (13) is fixedly connected to the interior of the recovery tower (1) in a welding mode.

6. The alkaline etching ammonia gas condensation recycling device according to claim 1, characterized in that: and one end of the liquid outlet (51) far away from the evaporative condenser (5) is connected with an ammonia water filling port of the etching line.