CN213375751U - Electricity bag dust remover comprehensive energy consumption optimizing system - Google Patents

Abstract

The utility model discloses an energy consumption optimizing system is synthesized to electricity bag dust remover, which comprises a housin, be equipped with polar plate and a plurality of sack in the casing, the casing links to each other with optimizing the module, and optimizing the module and linking to each other with the polar plate through high frequency power, and optimizing the module and linking to each other with the sack through the pulse valve. According to the technical scheme, the electrostatic dust collector and the bag type dust collector are organically combined to construct electric-bag composite dust collection, so that pollutants in a coal-fired power plant are purified, secondary voltage secondary current of an electric field high-frequency power supply in an electric area and the like are collected, bag area injection gas consumption, bag area differential pressure, boiler load and the like are collected, and the purpose of reducing energy consumption is achieved by controlling relevant parameters such as an electric field secondary voltage set value, an injection interval set value and a pulse valve pulse width set value.

Description

Electricity bag dust remover comprehensive energy consumption optimizing system

Technical Field

The utility model relates to a dust treatment field especially relates to an energy consumption optimizing system is synthesized to electricity bag dust remover.

Background

With the improvement of national pollutant emission requirements of coal-fired power plants and other reasons, the conventional electric precipitation is difficult to meet the emission limit value requirement, and the cloth bag precipitation has the disadvantages of high running resistance and the like. The electrostatic dust collector and the bag type dust collector are organically combined together for the electric-bag composite dust collection, so that advantages are brought forward, disadvantages are avoided, the defects that the electrostatic dust collector is weak in adaptability to working conditions, limited in dust collection and incapable of achieving standards stably, a bag-type dust collector is high in running resistance, and the service life of accessories such as a dust collection bag is short are overcome, and the overall technical level of the dust collector and the adaptability to various working conditions are improved comprehensively.

Data show that the concentration of a dust removal outlet is basically stable by about several milligrams due to the filtering effect of a bag area, so that the electric bag dust removal system basically operates in a fixed and unadjusted rough control mode or a simple PID feedback control mode, and the energy consumption of production and operation is higher and the equipment loss is larger.

Chinese patent document CN203458935U discloses an "electric bag dust collector". The dust collector comprises an air inlet, an electric dust removing electric field, a cloth bag dust removing electric field and two dust hoppers, wherein the air inlet, the electric dust removing electric field and the cloth bag dust removing electric field are connected in sequence, and the dust hoppers are arranged below the electric dust removing electric field and the cloth bag dust removing electric field respectively. According to the technical scheme, only the technical scheme of simply combining the electrostatic dust collector and the bag-type dust collector is adopted, so that the electrostatic bag dust collection system basically operates in a fixed and unadjusted rough control mode or a simple PID feedback control mode, and the energy consumption of production and operation is high and the equipment loss is large.

Disclosure of Invention

The utility model discloses it is higher mainly to solve original technical scheme production operation energy consumption, the great technical problem of equipment loss, an energy consumption optimization system is synthesized to electricity bag dust remover is provided, it constructs the compound dust removal of electricity bag to combine together electrostatic precipitator and bag collector, the realization is to the purification of coal fired power plant pollutant, gather the secondary voltage secondary current of electric district electric field high frequency power etc, bag district jetting gas consumption, bag district differential pressure, boiler load etc, through control electric field secondary voltage setting value, jetting interval setting value, relevant parameters such as pulse valve pulse width setting value reach the purpose that reduces the energy consumption.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model discloses a casing, be equipped with polar plate and a plurality of sack in the casing, the casing links to each other with optimizing the module, and it is continuous with the polar plate through high frequency power to optimize the module, and it is continuous with the sack through the pulse valve to optimize the module. The flue gas produced by production enters the shell, electrostatic dust collection and cloth bag dust collection are sequentially carried out on the flue gas by a polar plate and a plurality of cloth bags arranged in the shell, the flue gas is discharged, meanwhile, the optimization module controls the high-frequency power supply and the pulse valve, and the aim of reducing energy consumption is achieved by controlling relevant parameters such as an electric field secondary voltage set value, a blowing interval set value and a pulse width set value of the pulse valve.

Preferably, the optimization module comprises an energy consumption optimization module, and the energy consumption optimization module is respectively connected with the inlet analyzer, the outlet analyzer, the blowing actuator and the voltage regulation module. The energy consumption optimization module collects smoke data through the inlet analyzer and the outlet analyzer, and the energy consumption optimization module controls the purified smoke power through the blowing actuator and the voltage regulation module.

Preferably, the shell comprises an inlet flue and an outlet flue, wherein an inlet analyzer is arranged in the inlet flue, and an outlet analyzer is arranged in the outlet flue. The energy consumption optimization module is connected with the inlet analyzer and the outlet analyzer, and the inlet analyzer is used for collecting the smoke volume, dust and pressure of smoke at the inlet flue, so that the related parameters such as the set value of the secondary voltage of the electric field, the set value of the blowing interval, the set value of the pulse width of the pulse valve and the like are controlled to achieve the purpose of purifying the dust. And collecting the dust and pressure of the flue gas at the outlet flue by an outlet analyzer, and judging whether the dust and pressure meet the discharge standard.

Preferably, a polar plate and a plurality of cloth bags are sequentially arranged between the inlet flue and the outlet flue in the shell, and a plurality of ash hoppers are arranged at the shell below the polar plate and the cloth bags. The dust collection device comprises a plate, a plurality of cloth bags, a plurality of dust hoppers and a plurality of electrostatic field collecting pipes.

Preferably, the polar plate is connected with the energy consumption optimization module through a high-frequency power supply and a voltage regulation module in sequence. The energy consumption optimization module collects the flue gas volume, dust and pressure of flue gas at the inlet flue through the inlet analyzer, and simultaneously collects the flashover times, the secondary current running value and the secondary voltage running value of the high-frequency power supply, so that the secondary voltage value of the voltage regulation module is regulated, the high-frequency power supply is controlled, and the electrostatic dust collection is controlled.

Preferably, the plurality of cloth bags are respectively connected with different pulse valves, and the plurality of pulse valves are connected with the energy consumption optimization module through the blowing actuator. The energy consumption optimization module collects the smoke volume, dust and pressure of smoke at the inlet flue through the inlet analyzer, so that the blowing interval and the blowing width value of the blowing actuator are adjusted, the pulse valve is controlled, and the filtering and dust removal are controlled.

Preferably, the optimization module is mounted outside the housing without contacting the housing. Avoid the inside high temperature flue gas of casing to lead to the casing to generate heat, damage the optimization module.

The utility model has the advantages that:

1. the electrostatic dust collector and the bag type dust collector are organically combined together to construct the electric-bag composite dust collection, the purification of pollutants in a coal-fired power plant is realized, the defects that the electrostatic dust collector is weak in adaptability to working conditions, limited in dust collection, incapable of stably reaching the standard, high in running resistance of the bag type dust collector, short in service life of accessories such as a dust collection bag and the like are overcome, and the overall technical level of the dust collector and the adaptability to various working conditions are comprehensively improved.

2. The secondary voltage secondary current of an electric field high-frequency power supply in an electric area, the blowing gas consumption of a bag area, the differential pressure of the bag area, the boiler load and the like are collected, and the aim of reducing energy consumption is fulfilled by controlling relevant parameters such as an electric field secondary voltage set value, a blowing interval set value and a pulse width set value of a pulse valve.

Drawings

Fig. 1 is a block diagram of a circuit principle connection structure of the present invention.

In the figure, 1 shell, 1.1 inlet flue, 1.2 outlet flue, 2 optimization modules, 2.1 inlet analyzer, 2.2 outlet analyzer, 2.3 energy consumption optimization modules, 2.4 voltage regulation modules, 2.5 injection actuators, 3 ash buckets, 4 polar plates, 5 cloth bags, 6 pulse valves and 7 high-frequency power supplies are arranged.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the comprehensive energy consumption optimization system of the electric bag dust collector comprises a shell 1, wherein the shell 1 comprises an inlet flue 1.1 and an outlet flue 1.2, an inlet analyzer 2.1 is arranged in the inlet flue 1.1, and an energy consumption optimization module collects the flue gas volume, dust and pressure of flue gas at the inlet flue through the inlet analyzer, so that the aim of purifying the dust is fulfilled by controlling relevant parameters such as an electric field secondary voltage set value, a blowing interval set value and a pulse valve pulse width set value. An outlet analyzer 2.2 is arranged in the outlet flue 1.2, and the energy consumption optimization module collects dust and pressure of flue gas at the outlet flue through the outlet analyzer and judges whether the flue gas reaches the discharge standard or not.

A polar plate 4 and a plurality of cloth bags 5 are sequentially arranged between an inlet flue 1.1 and an outlet flue 1.2 in the shell 1, firstly, electrostatic field generated by the polar plate is used for pre-collecting dust, and then, the dust is filtered and removed through the cloth bags, so that the purpose of purifying smoke is achieved. The shell 1 below the polar plate 4 and the cloth bag 5 is provided with a plurality of dust hoppers 3 for storing the discharged dust, thereby avoiding the dust accumulation and influencing the dust removal efficiency.

The housing 1 is connected to an optimization module 2, the optimization module 2 being mounted outside the housing 1 without being in contact with the housing 1. Avoid the inside high temperature flue gas of casing to lead to the casing to generate heat, damage the optimization module. The optimization module 2 comprises an energy consumption optimization module 2.3, and the energy consumption optimization module 2.3 is respectively connected with an inlet analyzer 2.1, an outlet analyzer 2.2, a blowing actuator 2.5 and a voltage regulation module 2.4. The energy consumption optimization module collects smoke data through the inlet analyzer and the outlet analyzer, and the energy consumption optimization module controls the purified smoke power through the blowing actuator and the voltage regulation module.

The polar plate 4 is connected with the energy consumption optimization module 2.3 through the high-frequency power supply 7 and the voltage regulation module 2.4 in sequence. The energy consumption optimization module collects the flue gas volume, dust and pressure of flue gas at the inlet flue through the inlet analyzer, and simultaneously collects the flashover times, the secondary current running value and the secondary voltage running value of the high-frequency power supply, so that the secondary voltage value of the voltage regulation module is regulated, the high-frequency power supply is controlled, and the electrostatic dust collection is controlled.

The cloth bags 5 are respectively connected with different pulse valves 6, and the pulse valves 6 are connected with the energy consumption optimization module 2.3 through the blowing actuator 2.5. The energy consumption optimization module collects the smoke volume, dust and pressure of smoke at the inlet flue through the inlet analyzer, so that the blowing interval and the blowing width value of the blowing actuator are adjusted, the pulse valve is controlled, and the filtering and dust removal are controlled.

During the use, the flue gas that produces gets into the casing through the entry flue, at first gathers data such as dust volume, dust, pressure by the entry analysis appearance of entry flue entry analysis appearance department and transmits to energy consumption optimization module, and energy consumption optimization module carries out the analysis and judges the power that required electrostatic precipitator and filter the dust removal. The flashover frequency, the secondary current running value and the secondary voltage running value of the high-frequency power supply are collected, so that the secondary voltage value of the voltage adjusting module is adjusted, the high-frequency power supply is controlled, and the electrostatic dust collection is controlled. And meanwhile, the energy consumption optimization module adjusts the blowing interval and the blowing width value of the blowing actuator, controls the pulse valve and realizes the control of filtering and dust removal. The dust hopper 3 stores the discharged dust, so that the dust accumulation is avoided, and the dust removal efficiency is influenced. After the flue gas dust removal is finished, the outlet analyzer collects dust and pressure of the flue gas at the outlet flue and transmits the dust and pressure to the energy consumption optimization module to judge whether the dust and pressure meet the discharge standard.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms plate, energy optimization module, analyzer, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (7)

1. The utility model provides an energy consumption optimization system is synthesized to electricity bag dust remover, includes casing (1), its characterized in that, be equipped with polar plate (4) and a plurality of sack (5) in casing (1), casing (1) links to each other with optimizing module (2), and optimizing module (2) link to each other with polar plate (4) through high frequency power (7), and optimizing module (2) link to each other with sack (5) through pulse valve (6).

2. The system for optimizing the comprehensive energy consumption of the electric bag dust collector according to claim 1, wherein the optimization module (2) comprises an energy consumption optimization module (2.3), and the energy consumption optimization module (2.3) is respectively connected with the inlet analyzer (2.1), the outlet analyzer (2.2), the blowing actuator (2.5) and the voltage regulation module (2.4).

3. The system for optimizing the comprehensive energy consumption of the electric bag dust collector according to claim 2, wherein the shell (1) comprises an inlet flue (1.1) and an outlet flue (1.2), an inlet analyzer (2.1) is arranged in the inlet flue (1.1), and an outlet analyzer (2.2) is arranged in the outlet flue (1.2).

4. The comprehensive energy consumption optimization system of the electric bag dust collector as claimed in claim 1, wherein a polar plate (4) and a plurality of cloth bags (5) are sequentially arranged between the inlet flue (1.1) and the outlet flue (1.2) in the shell (1), and a plurality of ash hoppers (3) are arranged at the position of the shell (1) below the polar plate (4) and the cloth bags (5).

5. The comprehensive energy consumption optimization system of the electric bag dust collector as claimed in claim 2, wherein the polar plate (4) is connected with the energy consumption optimization module (2.3) through a high-frequency power supply (7) and a voltage regulation module (2.4) in sequence.

6. The comprehensive energy consumption optimization system of the electric bag dust collector as claimed in claim 2, wherein the plurality of cloth bags (5) are respectively connected with different pulse valves (6), and the plurality of pulse valves (6) are connected with the energy consumption optimization module (2.3) through the blowing actuator (2.5).

7. The system for optimizing the comprehensive energy consumption of the electric bag dust collector as claimed in claim 1, wherein the optimizing module (2) is installed outside the shell (1) and is not in contact with the shell (1).

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