CN207822998U - The Ammonia recovery of wet strength agent reaction kettle utilizes device - Google Patents

Abstract

The utility model provides a kind of Ammonia recovery of wet strength agent reaction kettle and utilizes device, including wet strength agent reaction kettle, the condenser being connected with the gas outlet at the top of wet strength agent reaction kettle, the Ammonia recovery tower being connected with the gas outlet of condenser, ammonia imports are offered in the middle part of the top of Ammonia recovery tower, ammonium hydroxide outlet is begun in the middle part of the bottom of Ammonia recovery tower, ammonium hydroxide outlet is connected with ammonium hydroxide storage tank, the top of Ammonia recovery tower is hollow structure, the sprinkling mouth being connected with its cavity is densely covered on the inside top wall of Ammonia recovery tower, the water inlet being connected with its inner cavity is offered on the lateral wall at the top of Ammonia recovery tower, water inlet is connected with water inlet line, water inlet line is connected with suction pump, suction pump is connected with cistern, the cavity top of Ammonia recovery tower is provided with water fender, multiple filtration holes are offered on water filter plate.

Description

The Ammonia recovery of wet strength agent reaction kettle utilizes device

Technical field

The utility model is related to a kind of Ammonia recoveries of wet strength agent reaction kettle to utilize device.

Background technology

Wet strength agent is mainly applied in paper industry, it be it is a kind of can greatly improve page it is dry, it is wet strength at present in the world Nontoxic, the tasteless paper making additive of common a new generation, is suitble to all kinds of paper productions for having wet strong demand, because it has retention concurrently, helps The characteristic of filter is alternatively arranged as the retention agent of paper-making process, in the production process of wet strength agent, needs to add into its reaction kettle and make For the urea of one of raw material, in reaction kettle in cool down of raw material during urea is added and after reaction, meeting A large amount of ammonia is volatilized, the ammonia to volatilize in reaction kettle and steam are often directly discharged into air by traditional operation, Ammonia mist is formed, the air of ambient enviroment is caused seriously to pollute, ammonia, which is highly soluble in water, in addition forms ammonium hydroxide, can be used as one Kind industrial chemicals will produce economic benefit if recycled, if being directly discharged in air, cause resource unrestrained Take.

Utility model content

The purpose of the utility model is to overcome defects existing in the prior art, provide a kind of ammonia of wet strength agent reaction kettle Ammonia recovery can be formed ammonium hydroxide and be used as industrial chemicals, and greatly reduced to environment by gas recycle device Pollution.

To achieve the above object, there is provided a kind of Ammonia recoveries of wet strength agent reaction kettle for the technical solution of the utility model Using device, including wet strength agent reaction kettle, be connected with the gas outlet at the top of the wet strength agent reaction kettle condenser, with it is described The Ammonia recovery tower that the gas outlet of condenser is connected, the top and bottom of the Ammonia recovery tower are in cone, described Ammonia imports are offered in the middle part of the top of Ammonia recovery tower, beginning with ammonium hydroxide in the middle part of the bottom of the Ammonia recovery tower goes out Mouthful, the ammonium hydroxide outlet is connected with the ammonium hydroxide storage tank, and the top of the Ammonia recovery tower is hollow structure, the ammonia The sprinkling mouth being connected with its cavity, the lateral wall at the top of the Ammonia recovery tower are densely covered on the inside top wall of recovery tower On offer the water inlet being connected with its inner cavity, the water inlet is connected with water inlet line, and the water inlet line is connected with pumping Water pump, the suction pump are connected with cistern, and the cavity top of the Ammonia recovery tower is provided with water fender, the water fender Top with the Ammonia recovery tower is in similar figures, and the lower edge of the water fender is fixed with the inside of the water filter plate of circular ring shape Side, the outer side edges of the water filter plate are mutually fixedly connected with the madial wall of the Ammonia recovery tower, are offered on the water filter plate more A filtration hole, the flow of inlet water at the top of the Ammonia recovery tower are more than the ammonium hydroxide water flow of the Ammonia recovery tower bottom, Liquid level sensor is provided in the Ammonia recovery tower, the liquid level sensor is connected with the controller of the suction pump.

It is further improved to be：It is respectively welded between the water filter plate and the water fender and the ammonium hydroxide recovery tower solid It is fixed.

It is further improved to be：The lower part of the ammonium hydroxide storage tank is provided with the depotition cock for ammonium hydroxide to be discharged.

The advantages of the utility model and advantageous effect are：The gas generated in reaction kettle after condenser cools down wherein Ammonia enter in Ammonia recovery tower, due to being provided with water fender, and it is logical that ammonia is formed between water fender and the top of recovery tower Road, and the top of recovery tower setting sprinkling mouth is sprayed water, water column is directly contacted with ammonia, and quickening ammonia is merged with water, and And since spray flow is more than the water flow of ammonium hydroxide, the ammonium hydroxide tentatively mixed is stopped in ammonium hydroxide recovery tower so that ammonia It can fully be merged with water, by the way that liquid level sensor is arranged, when the ammonium hydroxide position in Ammonia recovery tower reaches level sensing When the position of device, then controls suction pump and be automatically stopped and draw water.

Description of the drawings

Fig. 1 is the schematic diagram of the utility model.

Wherein：1, wet strength agent reaction kettle；2, condenser；3, Ammonia recovery tower；4, water fender；5, ammonium hydroxide storage tank；6, it takes out Water pump；7, cistern；8, liquid level sensor.

Specific implementation mode

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this It encloses.

As shown in Figure 1, a kind of Ammonia recovery of wet strength agent reaction kettle 1 utilizes device, including wet strength agent reaction kettle 1 and institute State the condenser 2 that the gas outlet at 1 top of wet strength agent reaction kettle is connected, the ammonia being connected with the gas outlet of the condenser 2 Recovery tower 3, the top and bottom of the Ammonia recovery tower 3 are in cone, are opened in the middle part of the top of the Ammonia recovery tower 3 Equipped with ammonia imports, ammonium hydroxide outlet, the ammonium hydroxide outlet and the ammonium hydroxide are begun in the middle part of the bottom of the Ammonia recovery tower 3 Storage tank 5 is connected, and the top of the Ammonia recovery tower 3 is hollow structure, close on the inside top wall of the Ammonia recovery tower 3 It is furnished with the sprinkling mouth being connected with its cavity, offers on the lateral wall at the top of the Ammonia recovery tower 3 and is connected with its inner cavity Logical water inlet, the water inlet are connected with water inlet line, and the water inlet line is connected with suction pump 6, the suction pump 6 and storage Pond 7 is connected, and the cavity top of the Ammonia recovery tower 3 is provided with water fender 4, the water fender 4 and the Ammonia recovery The top of tower 3 is in similar figures, and the lower edge of the water fender 4 is fixed with the inner side edge of the water filter plate of circular ring shape, the water filter plate Outer side edges be mutually fixedly connected with the madial wall of the Ammonia recovery tower 3, multiple filtration holes are offered on the water filter plate, it is described The flow of inlet water at the top of Ammonia recovery tower 3 is more than the ammonium hydroxide water flow of 3 bottom of Ammonia recovery tower, the Ammonia recovery Liquid level sensor 8 is provided in tower 3, the liquid level sensor 8 is connected with the controller of the suction pump 6.

Operation principle：The gas generated in reaction kettle ammonia therein after the cooling of condenser 2 enters Ammonia recovery tower 3 In, due to being provided with water fender 4, and ammonia channel is formed between water fender 4 and the top of recovery tower, and set at the top of recovery tower It sets sprinkling mouth to spray water, water column is directly contacted with ammonia, and quickening ammonia is merged with water, and since spray flow is more than ammonia The water flow of water, therefore the ammonium hydroxide tentatively mixed stops in ammonium hydroxide recovery tower and ammonia is fully melted with water It closes, is then controlled by the way that liquid level sensor 8 is arranged when the ammonium hydroxide position in Ammonia recovery tower 3 reaches the position of liquid level sensor 8 Suction pump 6 processed, which is automatically stopped, to draw water.

In order to facilitate the installation of, it is respectively welded between the water filter plate and the water fender 4 and the ammonium hydroxide recovery tower solid Calmly, when installation, water filter plate is weldingly fixed on the inner wall of ammonium hydroxide recovery tower first, water fender 4 is then weldingly fixed on filter On water plate, then so that total stability is good.

Ammonium hydroxide is discharged for convenience and carries out the utilization of resources, the lower part of the ammonium hydroxide storage tank 5 is provided with for by ammonium hydroxide The depotition cock of discharge.

The basic principles and main features and its advantage of the utility model, the technology people of the industry has been shown and described above For member it should be appreciated that the present utility model is not limited to the above embodiments, described in above-described embodiment and explanation is to illustrate this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention, the utility model requires protection scope It is defined by the appending claims and its equivalent thereof.

Claims (3)

1. a kind of Ammonia recovery of wet strength agent reaction kettle utilizes device, it is characterised in that：Including wet strength agent reaction kettle, with it is described wet Condenser that gas outlet at the top of strong agent reaction kettle is connected, the Ammonia recovery tower being connected with the gas outlet of the condenser, The top and bottom of the Ammonia recovery tower are in cone, offer in the middle part of the top of the Ammonia recovery tower ammonia into Mouthful, ammonium hydroxide outlet is begun in the middle part of the bottom of the Ammonia recovery tower, the ammonium hydroxide outlet is connected with the ammonium hydroxide storage tank Logical, the top of the Ammonia recovery tower is hollow structure, is densely covered with and its cavity on the inside top wall of the Ammonia recovery tower The sprinkling mouth being connected offers the water inlet being connected with its inner cavity, institute on the lateral wall at the top of the Ammonia recovery tower It states water inlet and is connected with water inlet line, the water inlet line is connected with suction pump, and the suction pump is connected with cistern, described The cavity top of Ammonia recovery tower is provided with water fender, and the top of the water fender and the Ammonia recovery tower is in similar figures, institute State water fender lower edge be fixed with circular ring shape water filter plate inner side edge, the outer side edges of the water filter plate and the Ammonia recovery The madial wall of tower is mutually fixedly connected, and multiple filtration holes, the water inlet at the top of the Ammonia recovery tower are offered on the water filter plate Flow is more than the ammonium hydroxide water flow of the Ammonia recovery tower bottom, is provided with liquid level sensor in the Ammonia recovery tower, institute Liquid level sensor is stated with the controller of the suction pump to be connected.

2. the Ammonia recovery of wet strength agent reaction kettle as described in claim 1 utilizes device, it is characterised in that：The water filter plate with Fixation is respectively welded between the water fender and the ammonium hydroxide recovery tower.

3. the Ammonia recovery of wet strength agent reaction kettle as described in claim 1 utilizes device, it is characterised in that：The ammonium hydroxide storage The lower part of tank is provided with the depotition cock for ammonium hydroxide to be discharged.