CN-224220753-U - High-efficient ammonia water evaporator

Abstract

The utility model relates to the technical field of ammonia water evaporators, in particular to a high-efficiency ammonia water evaporator, which comprises an evaporator body, wherein a gas transmission assembly is arranged on the outer side of the evaporator body, the top end of the gas transmission assembly is connected with a spray gun arranged in the evaporator body, the bottom end of the gas transmission assembly is connected with a connecting pipe arranged on the evaporator body, a circular collecting assembly is mounted in the bottom end of the evaporator body in an adhering manner, one end of the connecting pipe positioned in the evaporator body is fixedly provided with a diversion gas guide assembly extending into the collecting assembly, part of ammonia water spray sprayed into the evaporator body is gradually gathered into water drops and is dripped into the collecting assembly along the inner wall of the evaporator body, and the diversion gas guide assembly can guide part of high-temperature waste gas into the collecting assembly to heat the collected ammonia water, so that the ammonia water can be promoted to carry out secondary evaporation work, and the evaporation completeness of the ammonia water is improved.

Inventors

• LEI BENXI
• LIN HAIYAN
• Zhao Sunfu
• WANG QUAN

Assignees

• 合肥希普蓝达环境科技发展有限公司

Dates

Publication Date

20260512

Application Date

20250605

Claims (5)

1. 1. The efficient ammonia water evaporator comprises an evaporator body (1) and is characterized in that a gas transmission assembly is arranged on the outer side of the evaporator body (1), a spray gun (4) installed in the evaporator body (1) is connected to the top end of the gas transmission assembly, a connecting pipe (5) installed on the evaporator body (1) is connected to the bottom end of the gas transmission assembly, an annular collecting assembly (7) is installed in the bottom end of the evaporator body (1) in an adhering mode, and a diversion gas guide assembly (6) extending to the inside of the collecting assembly (7) is fixed to one end of the connecting pipe (5) located in the evaporator body (1).
2. 2. The efficient ammonia water evaporator according to claim 1, wherein the gas transmission assembly comprises a gas transmission pipe (2) connected with the gas inlet end of the spray gun (4), and a side pipe (3) communicated with the connecting pipe (5) is fixed at the bottom end of the gas transmission pipe (2).
3. 3. An efficient ammonia water evaporator according to claim 1 wherein the split-flow air guide assembly (6) comprises a bending pipe (61) connected with the connecting pipe (5), a bottom pipe (62) is fixed at the bottom end of the bending pipe (61), split-flow pipes (63) distributed in a ring shape are connected to the side wall of the bottom pipe (62), and an atomizing head (64) is connected to the collecting assembly (7) and extends from one end of the split-flow pipe (63) away from the bottom pipe (62).
4. 4. A high efficiency ammonia water evaporator according to claim 3 wherein the collecting assembly (7) comprises a collecting ring (71) fixed on the inner side wall of the evaporator body (1), a collecting tank (72) is provided at the top end of the collecting ring (71), and the atomizing head (64) is located in the collecting tank (72).
5. 5. A high efficiency ammonia water evaporator according to claim 4 wherein an air distribution screen (73) is secured to the inside of the collection ring (71).

Description

High-efficient ammonia water evaporator Technical Field The utility model relates to the technical field of ammonia water evaporators, in particular to a high-efficiency ammonia water evaporator. Background In denitration operation, the mode of adding aqueous ammonia is adopted at present to realize the denitration to the flue gas mostly, and in order to make aqueous ammonia can fully mix with the flue gas, mostly adopts to pass through the ammonia water evaporimeter with the flue gas to in the form of infusing the aqueous ammonia into the evaporimeter through the spraying, realize the evaporation of aqueous ammonia through high temperature flue gas, thereby realize the intensive mixing and the denitration purpose of aqueous ammonia and flue gas. However, when the existing ammonia water evaporator works, the pipe wall is always in close contact with the external environment, so that the temperature of the position, close to the pipe wall, of the evaporator is reduced to a certain extent, when ammonia water spray is attached to the pipe wall, aggregated water drops are gradually generated, a liquid dropping phenomenon is caused, the ammonia water is difficult to contact with high-temperature flue gas and generate an evaporation effect, and then the mixing and evaporation completeness of the ammonia water and the flue gas can be affected. Disclosure of utility model The utility model aims to provide a high-efficiency ammonia water evaporator so as to solve the problems in the background technology. The technical scheme is that the efficient ammonia water evaporator comprises an evaporator body, a gas transmission assembly is arranged on the outer side of the evaporator body, a spray gun arranged in the evaporator body is connected to the top end of the gas transmission assembly, a connecting pipe arranged on the evaporator body is connected to the bottom end of the gas transmission assembly, a circular collecting assembly is mounted in the bottom end of the evaporator body in an adhering mode, and a diversion gas guide assembly extending to the inside of the collecting assembly is fixed at one end of the connecting pipe located in the evaporator body. The component has the advantages that atomized ammonia water can be sprayed to the evaporator body through the spray gun, high-heat waste gas after dust removal can be led into the bottom end of the evaporator body to contact with the atomized ammonia water, the purpose of heating and evaporating operation is achieved, the gas transmission pipe is also connected with the high-heat waste gas and leads the high-heat waste gas into the spray gun and the split gas guide component, the waste gas enters the spray gun and then carries out preheating and pressurizing operation with the input ammonia water, ammonia water evaporation is promoted, part of ammonia water spray sprayed into the evaporator body gradually gathers into water drops and drops into the collecting component along the inner wall of the evaporator body, the split gas guide component can lead part of the high-heat waste gas into the collecting component, the collected ammonia water is heated, secondary evaporation operation is promoted, and ammonia water evaporation completeness is improved. Preferably, the split-flow air guide assembly comprises a bending pipe connected with the connecting pipe, a bottom pipe is fixed at the bottom end of the bending pipe, split-flow pipes distributed in an annular mode are connected to the side wall of the bottom pipe, and one end, far away from the bottom pipe, of each split-flow pipe extends to the collecting assembly and is internally connected with an atomizing head. The high-heat waste gas collecting component has the advantages that the bent pipe can be matched with the shunt pipe to guide the high-heat waste gas into ammonia water collected in the collecting component from the atomizing head, and the high-heat waste gas can be promoted to heat and evaporate the ammonia water by utilizing the atomizing head. Preferably, the gas transmission assembly comprises a gas transmission pipe connected with the gas inlet end of the spray gun, and a side pipe communicated with the connecting pipe is fixed at the bottom end of the gas transmission pipe. The component has the advantages that the high-heat waste gas can be guided into the spray gun through the gas transmission pipe in cooperation with the side pipe, and the split-flow gas guide component is communicated with the connecting pipe. Preferably, the collecting assembly comprises a collecting ring fixed on the inner side wall of the evaporator body, a collecting groove is formed in the top end of the collecting ring, and the atomizing head is located in the collecting groove. The component has the advantages that the collecting groove on the collecting ring can collect the condensed ammonia water on the inner wall of the evaporator body, so that the exhaust gas led out from the atomizing head is convenient to cont