CN212512568U - Acetylene air cooling device - Google Patents

Abstract

The utility model provides an acetylene air cooling device relates to acetylene gas cooling equipment field, its characterized in that, the device is through installing after acetylene generator, through with the high temperature acetylene gas dispersion that produces in the acetylene generator let in with the array pipe that the acetylene main was connected side by side, through around spraying the water cooling around the array pipe spray tube all around, the heat that releases in the cooling process is through establishing in the axial fan that distributes side by side above the array pipe with heat conversion to the air. The utility model discloses simple structure, advance, reduced the existence of heat in the system, saved the power consumption of system's equipment, effectively improved the efficiency of equipment, reduced the running cost of equipment, saved entire system's water consumption to improve carbide slag slurry's concentration, reduced the sewage discharge, improved the utilization ratio of resource, and improved the security of operation.

Description

Acetylene air cooling device

Technical Field

The utility model relates to an acetylene gas cooling field, in particular to acetylene air cooling device.

Background

With the development of economy and social progress, the chemical industry is developing from basic chemical industry to fine chemical industry and green chemical industry, the requirements on the quality of chemical products and the influence on the environment are higher and higher, the quality of the chemical products firstly depends on advanced processes, rigorous operations and high-quality raw materials, acetylene gas is one of the most basic raw materials in the chemical industry, and the acetylene gas is generally applied in the chemical industry.

At present, when polyvinyl chloride is prepared by adopting a wet calcium carbide method, a part of reaction heat is taken away by acetylene gas and water vapor in the hydrolysis reaction of a wet acetylene generator. On former apparatus, acetylene gas need be cooled down to certain heat after its production, and the method that the cooling adopted is for directly cooling down acetylene gas with water, later carries out the desorption of acetylene gas or the drying that acetylene plays. Therefore, in the prior art, after the heat carried by acetylene gas and water vapor is absorbed by the waste water in the cleaning system through hydrolysis reaction, the heat is carried back to the generator again through the waste water, so that the water replenishing amount of the generator is increased, a large amount of water and fresh alkali are used in the subsequent cleaning tower and neutralizing tower, the equipment needs to be maintained and maintained frequently, the supernatant cannot be reused completely, and the cost of sewage treatment is increased.

In the traditional technology, reaction heat is absorbed by circulating water, the energy for heat exchange is increased, the capacity of a water ring pump is limited, the operation cost of the whole system is high, a large amount of heat circulates in the system, and the controllability of operation safety is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, provide an acetylene air cooling device, through increase one set of self-made air cooling device between acetylene generator to the clean house steward at the production system, utilize the shower water to cool off acetylene gas, during rethread fan blows off the heat to air circumstance to reach the conversion that reduces heat energy, avoid the heat at the system inner loop, cool off simultaneously and obtain the effect of pure acetylene gas.

The technical scheme of the utility model is that an acetylene air cooling device is arranged behind an acetylene generator, adopts an evaporative condensation technology, uses water as a coolant, cools high-temperature acetylene produced by the acetylene generator and introduced into a tube nest, exchanges heat with heat through air, and brings the heat of acetylene gas into the atmosphere at one time, thereby reducing the temperature of the acetylene gas; the water cooling adopts a circulating spraying technology, and water for cooling is sprayed by a large number of spraying pipes to form a tube array containing acetylene gas, so that the heat exchange coefficient is increased.

The utility model discloses a device includes: acetylene manifold, the tubulation, box, fan, water catch bowl and shower, acetylene manifold and tubulation are connected side by side, the shower encircles around the tubulation, the box is being connected at the tubulation both ends, makes house steward can connect many tubulations, guarantees acetylene gas's transmission efficiency, the shower water is accepted in the below of tubulation to the water catch bowl setting, the shower passes through the water pump connection water catch bowl, forms shower water cooling cycle, is provided with the heat that the fan took out the heat of tubulation high temperature acetylene gas and shower water and converts to in the air and takes away in the tubulation top.

Preferably, the box bodies in the device are four groups, a plurality of tubes are connected between the two box bodies in each group, and the tubes are distributed side by side up and down.

Preferably, an axial fan of 3.5kw for dissipating heat into the air is provided with four side by side tubes.

Preferably, the box body and the water collecting tank are made of glass fiber reinforced plastic plates, so that the box body and the water collecting tank are more corrosion-resistant.

Preferably, the pipelines at the two ends of each group of the box body are provided with butterfly valves.

Preferably, the materials of the pipelines such as the acetylene main pipes and the tubes are carbon steel or other corrosion-resistant steel.

The utility model has the advantages that:

1. through set up one set of air cooling device behind acetylene gas generator, carry out cooling to high temperature acetylene gas through spray water and axial fan, give off the heat to the air circumstance in, the heat has been avoided being taken to the entire system and has circulated, the life of equipment is reduced, the energy consumption of having avoided consuming water repeatedly has saved a large amount of resources, a large amount of evenly distributed's shower can make the fine tubulation that contains transport high temperature acetylene gas of spray water, the heat exchange coefficient has been improved, avoid influencing holistic condensation effect because of the situation appears in the individuality shower head, the availability factor and the stability of equipment have been improved, the heat is not in the steady controllable of the temperature that the systemic circulation also made the system, the security of operation improves greatly.

2. The pipeline in the condenser is made of corrosion-resistant steel such as carbon steel, and the box body and the water collecting tank are made of advanced corrosion-resistant materials made of glass fiber reinforced plastic plates, so that the equipment is more durable, and the maintenance and replacement frequency is reduced.

3. The condenser is used for introducing the high-temperature acetylene gas to ensure that the inlet temperature of the acetylene gas in a water ring pump of subsequent equipment is only 30-40 ℃, so that the capacity of the water ring pump is improved, the water supply flow is improved, meanwhile, water does not need to be introduced for cooling in the later period, and the using amount of river water is reduced.

4. The acetylene gas is cooled in the condenser and can not be mixed into water, the cleaning tower does not need to clean and desorb the water mixed with the acetylene, the purity of the acetylene gas is ensured, the cleaning tower is changed into a waste alkali tower, fresh alkali is not used, the stable pH value of the utilization rate of the waste alkali is improved, meanwhile, the corrosion is reduced, the service life of the water ring pump is prolonged, the maintenance workload is reduced, and the maintenance cost is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the device of the present invention;

the reference numerals in the figures denote the meanings: the device comprises a 1-acetylene main pipe, a 101-main valve, a 2-tube array, a 3-box body, a 4-fan, a 5-water collecting tank, a 6-spray pipe, a 61-spray head, a 7-butterfly valve and an 8-small water pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in detail and completely in the following description, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides an acetylene air cooling device, as shown in fig. 1, the device includes acetylene main 1, tubulation 2, box 3, fan 4, water catch bowl 5 and shower 6, whole evaporative condenser is installed behind the acetylene generator of process systems equipment, acetylene main 1 is connected side by side with tubulation 2, install the total valve on the acetylene main 1, the pipe diameter broad of house steward can bear the passing through of a large amount of acetylene gas, close the total valve on the acetylene main 1 when needing to carry out the acetylene condensation, acetylene gas can access to tubulation 2.

The pipe diameter of tubulation 2 is thinner, and both ends are connected on box 3, 3 two liang of a set of box, every condenser is equipped with four groups box 3, a plurality of tubulation can be connected between every group box, make the dispersion that needs refrigerated high temperature acetylene gas better in each tubulation 2, increase the area of contact of shower water, improve cooling rate and cooling effect, 3 both ends of box are passed through the pipeline and are connected side by side at the both ends of acetylene house steward from top to bottom, install butterfly valve 7 on the pipeline at 3 both ends of box, and opening or closing of accessible adjustment butterfly valve 7 controls the tubulation 2 quantity of carrying acetylene gas in the condenser, the condensing rate and the condensing efficiency of adjustment condenser.

The spray pipe 6 encircles around the tubulation 2 in the condenser, and a plurality of shower heads 61 have been distributed for the top and the left and right sides of tubulation 2 at spray pipe 6, ensure that spun cooling water can contain all tubulations, the other end of little water pump is connected at water catch bowl 5 end, water catch bowl 5 sets up in the below of tubulation 2, and shower head spun cooling water can be accepted to the size of notch, realizes the cooling water circulation through little water pump 8.

The fan 4 is horizontally distributed above the tube nest 2, the fan 4 adopts a 3.5kw axial flow fan to cool down the acetylene gas in the tube nest 2 and the cooling water taking away heat, the heat is dissipated to the air environment, and the heat exchange coefficient of the condenser is improved.

The box 3 with the water catch bowl 5 adopts advanced anticorrosive material, shower 6, acetylene main 1 and tubulation 2 adopt carbon steel or other anticorrosive steel, ensure the life of device, reduce the maintenance and the maintenance number of times in the use, reduce the use cost of device.

To sum up, the utility model discloses an install behind the acetylene gas generator, parallel connection is on the acetylene main, adopt evaporation formula condensation technique, regard water and air as the coolant, make high temperature acetylene gas and shower water, the air carries out the heat exchange under the effect of fan, bring the heat of acetylene gas into the atmosphere once only, thereby reduce the temperature of acetylene gas, reduce the heat among the entire system, make the steady controllable of temperature of system, the security of system has been improved, the device has still reduced the injection of the joining water of system and the emission of sewage, the integration of acetylene gas and water has been avoided, make alkali waste and supernatant can cyclic reuse, improve the concentration of carbide slag thick liquid and reduced manufacturing cost, still reduced the corruption to back process equipment.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides an acetylene air cooling device, its characterized in that includes acetylene main pipe (1), tube nest (2), box (3), fan (4), water catch bowl (5) and shower (6), acetylene main pipe (1) and tube nest (2) are connected side by side, total valve (101) are equipped with on acetylene main pipe (1), box (3) are connected tube nest (2) both ends, tube nest (2) are the upper and lower distribution, and tube nest (2) surround all around shower (6), tube nest (2) below are equipped with water catch bowl (5).

2. An acetylene air-cooling device according to claim 1, characterized in that the number of the tanks (3) is four, and a plurality of the tubes (2) are connected between each group of tanks.

3. An acetylene air cooling device according to claim 2, characterized in that the number of the fans (4) is four, and the fans are distributed side by side above the tubes (2), and the fans are air-cooled by adopting an axial flow fan of 3.5 kw.

4. An acetylene air cooling device according to claim 3, characterized in that the spray pipe (6) is connected with a small water pump (8), and a plurality of spray heads (61) are uniformly distributed on the spray pipe (6).

5. An acetylene air-cooling device according to claim 4, characterized in that the small water pump (8) is connected to the water collection tank (5) through a pipe.

6. An acetylene air-cooling device according to claim 1, characterized in that the box body (3) and the water collecting tank (5) are protected from corrosion by using glass fiber reinforced plastic plates.

7. An acetylene air cooling device according to claim 1, characterized in that two butterfly valves (7) are arranged on the pipeline connecting the boxes at the two ends of the tube array (2).

8. An acetylene air-cooling device according to claim 1, characterized in that the materials of the acetylene main pipe (1) and the tubes (2) are carbon steel or corrosion-resistant steel.

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