CN212091581U

CN212091581U - High-efficient automatic waste ammonia gas comprehensive utilization system

Info

Publication number: CN212091581U
Application number: CN202020538600.4U
Authority: CN
Inventors: 顾程宏
Original assignee: Jiangsu Heshun Environmental Protection Co ltd
Current assignee: Zhongxin Heshun environmental protection (Jiangsu) Co.,Ltd.
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-08
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a high-efficiency automatic waste ammonia gas comprehensive utilization system, which comprises a washing tower, a water tank, a collecting pool and a biochemical system, wherein the washing tower is provided with an ammonia gas inlet pipe, the inclination directions of two adjacent packing layers are opposite, each packing layer is divided into a plurality of sections with gradually increased packing particle diameters from lower to higher end, the packing layer divides the washing tower into a plurality of inner spaces, and an ammonia gas concentration detector is arranged in each inner space; a circulating pipeline is arranged on the washing tower, a branch pipeline is connected to the circulating pipeline, the branch pipeline is connected with a spray header, a main pipeline connected with the circulating pipeline through an electromagnetic three-way valve is arranged on the water tank, a flow regulating valve is arranged on the branch pipeline, and a liquid level meter and an ammonia water concentration meter are arranged in the washing tower; the collecting tank is connected with the water washing tower and the biochemical system, the biochemical system comprises an aerobic tank, and the collecting tank is used for introducing ammonia water into the aerobic tank. The utility model discloses can collect useless ammonia and make full use of, supply with to provide the nitrogen source in the rear end biochemical reaction stage, reduce the running cost.

Description

High-efficient automatic waste ammonia gas comprehensive utilization system

Technical Field

The utility model relates to a high-efficient automatic waste ammonia gas comprehensive utilization system.

Background

With the rapid development of chemical fertilizer, petrochemical industry and other industries, the generated high ammonia nitrogen wastewater also becomes one of the industry development restriction factors. According to the report, red tide occurs up to 77 times in 2001 in China's sea area, ammonia nitrogen is one of important causes of pollution, in particular to pollution caused by high-concentration ammonia nitrogen wastewater. Therefore, the economic and effective control of high concentration pollution is also an important subject of current research by environmental protection workers, and is highly regarded by the industry.

At present, a large amount of ammonia gas can volatilize in the process of treating high-concentration ammonia nitrogen waste liquid, the ammonia gas of the part needs to be collected in a concentrated mode, the ammonia gas needs to be continuously treated while being collected, and the treatment and collection cost is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a high-efficient automatic useless ammonia comprehensive utilization system, aim at solving among the prior art volatile ammonia and be difficult to handle, the technical problem that processing cost is high.

The technical scheme of the utility model is that: a high-efficiency automatic waste ammonia gas comprehensive utilization system comprises a washing tower, a water tank, a collecting tank and a biochemical system, wherein an ammonia gas inlet pipe is arranged on the washing tower, a plurality of obliquely arranged packing layers are vertically arranged in the washing tower, the inclination directions of two adjacent packing layers are opposite, each packing layer is divided into a plurality of sections with gradually increased packing particle sizes from the lower end to the higher end, the inside of the washing tower is divided into a plurality of inner spaces by the packing layers, and an ammonia gas concentration detector is arranged in each inner space; the washing tower is connected with a circulating pipeline, the circulating pipeline is connected with a plurality of branch pipelines which are in one-to-one correspondence with the packing layers, spray heads which are connected with the corresponding branch pipelines are respectively arranged above the packing layers in the washing tower, a main pipeline which is connected with the circulating pipeline through an electromagnetic three-way valve is arranged on the water tank, a flow regulating valve is also respectively arranged on each branch pipeline, and a liquid level meter and an ammonia water concentration meter are also arranged at the bottom of the washing tower; the collecting pit is connected with washing tower bottom, biochemical system includes good oxygen pond, the collecting pit still with biochemical system connects in order to let in the good oxygen pond of biochemical system with the aqueous ammonia of collecting.

Furthermore, the utility model discloses in be equipped with the draught fan in the ammonia intake pipe.

Further, every layer in the utility model the ammonia concentration detector of packing layer below all sets up the below in the higher one end of this packing layer.

Further, the utility model discloses well top one deck the ammonia concentration detector setting of packing layer top is at the top of washing tower.

Further, in the utility model discloses in be equipped with the water pump on the trunk line, be equipped with the circulating pump on the circulating line.

Furthermore, in the present invention, a lift pump is disposed between the collecting tank and the biochemical system.

Compared with the prior art, the utility model has the following advantage:

1) the utility model discloses a comprehensive utilization system collects the waste ammonia gas that raw water stored and the loss of reaction in-process through the draught fan, the aqueous ammonia that sprays out through the scrubbing tower is collected in the collecting pit, in the aerobic tank of carrying to rear end biochemical system through the elevator pump, be converted into nitrate nitrogen synthesis biological cell material by the microorganism, not only can effectively collect volatile waste ammonia, reach the environmental protection standard, avoid arousing peripheral ammonia pollution, can also make full use of waste gas resource, supply with to the rear end biochemical reaction stage and provide the nitrogen source, thereby reach the purpose that reduces running cost.

2) The utility model discloses in, the packing layer design is adjacent two-layer opposite direction's of slope multilayer structure from top to bottom, and every layer of packing layer divide into the multistage to higher one end from lower one end, and the filler particle diameter increases progressively, and most gas passes through the one section that the particle diameter is the biggest along the packing layer and passes through upward movement to can increase gaseous dwell time and with water contact time.

3) The utility model discloses in, every layer of space design has ammonia concentration detector in the tower, designs flow control valve on every tributary canal, and according to the ammonia concentration value that ammonia concentration detector detected in the space of lower floor, through the flow of the water of the adjustable upper space of corresponding flow control valve to the water economy resource, intelligent degree is high.

4) The utility model discloses in, through the level gauge and the aqueous ammonia concentration meter of specific design, when the bottom aqueous ammonia reaches a take the altitude, and concentration is lower, can open the export of electromagnetism three-way valve connection washing tower bottom, the ammonia is further absorbed to the circulation low concentration aqueous ammonia, reaches a take the altitude, and when concentration is higher when the bottom aqueous ammonia, then directly arranges to the collecting pit and collects for the water resource utilizes the maximize.

Drawings

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

Wherein: 1. washing the tower with water; 1a, an ammonia gas inlet pipe; 1b, a draught fan; 1c, a circulating pipeline; 1d, branch pipelines; 2. a water tank; 2a, a main pipeline; 3. a collection tank; 4. a biochemical system; 5. a filler layer; 6. an ammonia gas concentration detector; 7. a shower head; 8. an electromagnetic three-way valve; 9. a flow regulating valve; 10. a water pump; 11. a circulation pump; 12. a liquid level meter; 13. an ammonia water concentration meter; 14. a lift pump.

Detailed Description

The following description will specifically explain embodiments of the present invention with reference to the accompanying drawings.

Example (b):

the attached drawing shows that the utility model relates to a specific implementation mode of high-efficient automatic useless ammonia comprehensive utilization system, it mainly includes scrubbing tower 1, water tank 2, collecting pit 3, biochemical system 4.

Wherein, be equipped with ammonia intake pipe 1a on the scrubbing tower 1, be equipped with draught fan 1b on the ammonia intake pipe 1 a. Three layers of obliquely arranged packing layers 5 are arranged in the washing tower 1 from top to bottom, the oblique directions of the two adjacent layers of packing layers 5 are opposite, and each layer of packing layer 5 is divided into three sections with gradually increased packing particle sizes from the lower end to the higher end. The three-layer packing layer 5 divides the inside of the washing tower 1 into four inner spaces, and an ammonia concentration detector 6 is arranged in each inner space.

In this embodiment, the ammonia concentration detector 6 below each layer of packing layer 5 is all set up in the below of the higher one end of this packing layer 5, and the ammonia concentration detector 6 of top one deck packing layer 5 top sets up the top at washing tower 1.

The water washing tower 1 is connected with a circulating pipeline 1c, and a circulating pump 11 is arranged on the circulating pipeline 1 c. Three branch pipelines 1d which are in one-to-one correspondence with the packing layers 5 are connected on the circulating pipeline 1c, and spray heads 7 which are connected with the corresponding branch pipelines 1d are respectively arranged in the washing tower 1 and above the packing layers 5.

The water tank 2 is provided with a main pipeline 2a connected with the circulating pipeline 1c through an electromagnetic three-way valve 8, and the main pipeline 2a is provided with a water pump 10.

Each branch pipeline 1d is also provided with a flow regulating valve 9.

A liquid level meter 12 and an ammonia water concentration meter 13 are also arranged at the bottom of the water washing tower 1.

The collecting tank 3 is connected with the bottom of the water washing tower 1.

The biochemical system 4 comprises an aerobic tank, and the collecting tank 3 is also connected with the biochemical system 4 so as to lead the collected ammonia water into the aerobic tank of the biochemical system 4. A lift pump 14 is arranged between the collection tank 3 and the biochemical system 4.

When the device works specifically, waste ammonia gas is introduced into the washing tower 1 through the ammonia gas inlet pipe 1a under the action of the draught fan 1b, a small part of gas directly moves upwards through the packing layer 5, most of gas moves upwards through the section with the largest particle size along the packing layer 5, the ammonia gas concentration detector 6 detects the ammonia gas concentration value in each layer of space in real time, the flow of water in the upper layer of space is adjusted through the corresponding flow adjusting valve 9 according to the ammonia gas concentration value in the lower layer of space, if the ammonia gas concentration value in the lower layer is higher, the flow of water in the upper layer of space is adjusted to be larger through the flow adjusting valve 9, otherwise, the flow is adjusted to be smaller so as to reasonably utilize water resources, at the moment, the outlet of the electromagnetic three-way valve 8 connected with the main pipeline 2a is; liquid level meter 12 and the aqueous ammonia concentration meter 13 real-time detection of bottom in the washing tower 1, reach the uniform height when the bottom aqueous ammonia, and concentration is lower, the export of 1 bottom of electromagnetic three-way valve 8 connection washing tower is opened, utilize 11 circulation of circulating pump to draw the low concentration aqueous ammonia and further absorb the ammonia, reach the uniform height when the bottom aqueous ammonia, and concentration is higher, then directly arrange the high concentration aqueous ammonia to collecting pit 3, carry to the aerobic tank of rear end biochemical system 4 in through elevator pump 14, be converted into the synthetic biological cell material of nitrate nitrogen by the microorganism. The comprehensive utilization system for the waste ammonia gas can effectively collect the volatile waste ammonia gas, reach the environmental protection standard, avoid the pollution of the peripheral ammonia gas, fully utilize the waste gas resources, supply the waste gas resources to the back-end biochemical reaction stage and provide a nitrogen source, thereby achieving the purpose of reducing the operation cost.

The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient automatic useless ammonia comprehensive utilization system which characterized in that: the device comprises a washing tower (1), a water tank (2), a collecting tank (3) and a biochemical system (4), wherein an ammonia gas inlet pipe (1a) is arranged on the washing tower (1), a plurality of obliquely arranged packing layers (5) are arranged in the washing tower (1) from top to bottom, the inclination directions of two adjacent packing layers (5) are opposite, each packing layer (5) is divided into a plurality of sections with gradually increased packing particle sizes from the lower end to the higher end, the inside of the washing tower (1) is divided into a plurality of inner spaces by the packing layers (5), and an ammonia gas concentration detector (6) is arranged in each inner space; the washing device is characterized in that a circulating pipeline (1c) is connected to the washing tower (1), a plurality of branch pipelines (1d) which correspond to the packing layers (5) one by one are connected to the circulating pipeline (1c), spray heads (7) which are connected with the corresponding branch pipelines (1d) are respectively arranged above the packing layers (5) in the washing tower (1), a main pipeline (2a) which is connected with the circulating pipeline (1c) through an electromagnetic three-way valve (8) is arranged on the water tank (2), a flow regulating valve (9) is also respectively arranged on each branch pipeline (1d), and a liquid level meter (12) and an ammonia water concentration meter (13) are also arranged at the bottom of the washing tower (1); collecting pit (3) are connected with scrubbing tower (1) bottom, biochemical system (4) are including good oxygen pond, collecting pit (3) still with biochemical system (4) are connected in order to let in the good oxygen pond of biochemical system (4) with the aqueous ammonia of collecting.

2. The efficient and automatic comprehensive utilization system for waste ammonia gas as claimed in claim 1, wherein: and an induced draft fan (1b) is arranged on the ammonia gas inlet pipe (1 a).

3. The efficient and automatic comprehensive utilization system for waste ammonia gas as claimed in claim 1, wherein: and the ammonia concentration detector (6) below each layer of the packing layer (5) is arranged below the higher end of the packing layer (5).

4. The efficient and automatic comprehensive utilization system for waste ammonia gas as claimed in claim 1, wherein: and an ammonia concentration detector (6) above the packing layer (5) on the top layer is arranged at the top of the water washing tower (1).

5. The efficient and automatic comprehensive utilization system for waste ammonia gas as claimed in claim 1, wherein: a water pump (10) is arranged on the main pipeline (2a), and a circulating pump (11) is arranged on the circulating pipeline (1 c).

6. The efficient and automatic comprehensive utilization system for waste ammonia gas as claimed in claim 1, wherein: and a lifting pump (14) is arranged between the collection tank (3) and the biochemical system (4).