CN209763123U - Despin equipment - Google Patents

Abstract

The utility model discloses a racemization equipment, communicating body around including, the body inner chamber is provided with first baffle and second baffle, first baffle with the second baffle intersects perpendicularly and radial cross section is the cross. The racemization equipment provided by the scheme can divide the flue into four independent flow channels through the ingenious structural design, effectively eliminates the spiral flow of the flue gas at the outlet of the spiral-flow type flue gas purifier, and adjusts the spiral flue gas into stable air flow, so that the flow resistance of the flue gas flowing through the elbow can be reduced, the output of a draught fan can be reduced, and the electricity consumption is saved; in addition, the rotation eliminating equipment enables the flue gas to flow more stably, eliminates the vibration of the rotary flue gas in the flue due to unstable flow, greatly reduces the vibration of the flue and increases the stability of the flue.

Description

Despin equipment

Technical Field

The utility model relates to an environmental protection equipment field, more specifically say, in particular to despin equipment.

Background

A thermal power plant, which is called a thermal power plant for short, is a plant for producing electric energy by using combustible materials such as coal and the like as fuel. In the thermal power generation process, fuel is combusted to heat water to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate to convert the mechanical energy into electric energy. Although the production of realization electric power that thermal power factory can be convenient, fuel can produce the flue gas that contains a large amount of poisonous and harmful substance when burning, and these flue gases can cause very big pollution to the environment if directly discharge to the air, consequently, thermal power plant often can install special gas cleaning ware in the fume emission flue, earlier realizes purifying with the flue gas in the flue, the qualified exhaust emission after will purifying again.

Spiral-flow type gas purifier just is the gas purifier who utilizes heterogeneous stream separation technique to carry out separation purification to gas that rises in recent years, and spiral-flow type gas purifier can not only realize ultralow emission, and specific high efficiency, ultralow cost and wide attention paid to moreover. In the use, spiral-flow type gas cleaning ware arranges in thermal power plant's boiler afterbody flue, and the flue gas can produce the whirl when passing through spiral-flow type gas cleaning ware, and the centrifugal force that the air current produced can be separated out the pollutant that contains in the flue gas to can realize gas cleaning, the flue gas after purifying continues to flow in the flue, finally discharges in the atmosphere through the chimney. In actual operation, because need rotate the flue gas during the purification, consequently, the flue gas that purifies still is the whirl state, and flow resistance can grow especially when passing through the elbow in the flue, can greatly increase the energy consumption of draught fan in the flue, greatly increased thermal power plant's power consumption.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a racemization equipment, this racemization equipment can racemize the flue gas of flue through its structural design, greatly reduces the energy consumption of draught fan.

The utility model provides a racemization equipment, includes communicating body around, the body inner chamber is provided with first baffle and second baffle, first baffle with the second baffle intersects perpendicularly and radial cross section is the cross.

Preferably, the tube body is a rectangular tube body having a rectangular radial cross section.

Preferably, the tubular body has a radial cross-sectional dimension of 0.3m x 0.3m-2m x 2m and a length of 0.5m-2 m.

Preferably, the pipe body is a circular pipe body having a circular radial cross section.

Preferably, the racemization equipment is made of low-temperature corrosion resistant materials.

Preferably, the distance between the racemization equipment and the outlet of the peripheral smoke purifier is 0.5m-5 m.

Preferably, a third baffle and a fourth baffle which are vertically intersected are further arranged in the inner cavity of the tube body, and the radial cross sections of the first baffle, the second baffle, the third baffle and the fourth baffle are in a shape like a Chinese character 'mi'.

The utility model has the advantages that: the racemization equipment provided by the scheme can divide the flue into four independent flow channels through the ingenious structural design, effectively eliminates the spiral flow of the flue gas at the outlet of the spiral-flow type flue gas purifier, and adjusts the spiral flue gas into stable air flow, so that the flow resistance of the flue gas flowing through the elbow can be reduced, the output of a draught fan can be reduced, and the electricity consumption is saved; in addition, this rotation eliminating equipment makes the flue gas flow more steadily, eliminates rotatory flue because the flue vibrations that flow unstability probably arouses, greatly reduces the vibrations of flue, increases the stability of flue.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a cross-shaped despinning device provided in an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a despin device in a shape of a Chinese character 'mi' provided by an embodiment of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "front", "rear", "upper left", "lower left", "upper right", "lower right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 2, fig. 1 to 2 provide a specific embodiment of a despin device of the present invention, wherein fig. 1 is a schematic structural diagram of a cross-shaped despin device provided in an embodiment of the present invention; fig. 2 is a schematic structural diagram of a despin device in a shape of a Chinese character 'mi' provided by an embodiment of the present invention.

As shown in fig. 1 to 2, the embodiment provides a despinning device, which can adjust the spiral flue gas in the flue into a stable airflow, so that the flow resistance of the flue gas flowing through the flue elbow can be greatly reduced, the energy consumption of the induced draft fan can be reduced, and the electricity consumption can be saved.

In the scheme, the despinning equipment comprises a pipe body 1 which is communicated with the front and the back, and the pipe body 1 is generally and directly arranged in a flue. When the flue gas blocking device is used specifically, a proper pipe body 1 can be selected according to the size of the cross section of a flue, a plurality of pipe bodies 1 can be piled up in the same large flue to block the pipe body 1, and only the flue gas needs to be guided to pass through the pipe body 1 in a forced mode to be despuned.

As for the shape of the tube body 1 itself, the tube body 1 may be a rectangular tube body having a rectangular radial section, or a circular tube body having a circular radial section, or may be in other shapes, so as to facilitate the plugging of the flue. Rectangular pipe body has been selected for use in this embodiment drawing. Wherein, this scheme body 1 is the axial direction from preceding backward's direction.

In this scheme, 1 inner chamber of body is provided with first baffle 2 and second baffle 3, first baffle 2 with second baffle 3 intersects perpendicularly and radial cross-section is the cross. The first baffle 2 and the second baffle 3 are used for blocking and redirecting the air flow. For the specific design of the first baffle 2 and the second baffle 3, one of the first baffle 2 and the second baffle 3 can be a whole plate, and the other one can be a non-whole plate formed by two sub-plates, and then the two sub-plates are vertically fixed on two sides of the whole plate during assembly, which is the mode selected in the attached drawing 1; of course, the first baffle plate 2 and the second baffle plate 3 may be both non-integral plates composed of two divided plates.

Specifically, when the flue gas flows into 1 inner chamber of body, first baffle 2 and second baffle 3 have divided into body 1 upper left, lower left, upper right, four adjacent and mutually independent cavitys down the right side, when the flue gas flows into any one of above-mentioned cavity, because all there is the existence of baffle between the adjacent cavity, consequently, the flue gas can't rotatory entering adjacent cavity again and can only incessantly collide the chamber wall in each independent cavity and flow backward in the past along independent cavity, along with the flow of flue gas, the rotary motion of flue gas is eliminated gradually, so, as long as the length of rational design body 1, the flue gas will finally eliminate the spiral flow completely and become steady air current.

On the whole, this racemization equipment that this scheme provided can cut apart into four independent runners with the flue, effectively eliminates the spiral flow of the flue gas of spiral-flow type gas purifier export, adjusts the spiral flue gas into steady air current, can reduce the flow resistance when the flue gas flows through the elbow like this, reduces the pressure drop to can reduce the draught fan power consumptive, the using electricity wisely. In addition, this rotation eliminating equipment makes the flue gas flow more steadily, eliminates rotatory flue because the flue vibrations that flow unstability probably arouses, greatly reduces the vibrations of flue, increases the stability of flue.

In practical operation, as the cyclone flue gas purifier is also started to be created in recent years, and meanwhile, the traditional despin equipment is only suitable for a small-diameter pipeline and is not suitable for a large-diameter pipeline such as a flue, the applicant does not find the despin equipment specially aiming at the cyclone flue gas purifier. This scheme has then opened the precedent, has designed a racemization equipment that is applicable to large-scale flue and is applicable to spiral-flow type gas purifier.

In addition, because the cyclone-type flue gas cleaner that is popular at present is mostly the unit formula in the use, and the flue gas cleaner of a plurality of units is arranged to same cross-section in the flue promptly, because the clarifier specification is different, can arrange dozens of or even hundreds of flue gas cleaners in the flue. Due to the characteristics of the purifier, the flue gas is changed into a plurality of rotating fluids from a whole and single airflow after purifying the purifier, thereby increasing the difficulty of the racemization work. The racemization equipment provided by the scheme can be a unit system, the racemization equipment with a plurality of units can be arranged on the same section in the flue, and the racemization equipment is connected in parallel for use, so that the racemization of the flue gas can be efficiently realized.

In this embodiment, to further facilitate the installation of the pipe body 1 and improve the racemization effect, the pipe body 1 is preferably a rectangular pipe body, the radial cross-sectional dimension of the pipe body 1 is 0.3m × 2m, and the length of the pipe body is 0.5m × 2 m.

In this embodiment, in order to further improve the corrosion resistance of the racemization equipment and increase the service life of the racemization equipment, preferably, the racemization equipment is made of a low-temperature corrosion resistant material.

In this embodiment, in order to further improve the despinning effect of the despinning device, preferably, the distance between the despinning device and the outlet of the external smoke purifier is 0.5m to 5 m.

In this embodiment, preferably, a third baffle 4 and a fourth baffle 5 which are vertically intersected are further disposed in the inner cavity of the tube body 1, and radial cross sections of the first baffle 2, the second baffle 3, the third baffle 4 and the fourth baffle 5 are in a shape of Chinese character 'mi'.

Specifically, the cross-shaped despinning device is formed by vertically crossing two baffles, and an included angle between every two adjacent baffles is 90 degrees; the rotation eliminating device in the shape of a Chinese character 'mi' is composed of four baffles, and an included angle between every two adjacent baffles is 45 degrees. The weight and the resistance of the cross-shaped despin equipment are smaller than those of the meter-shaped despin equipment, but the despin effect of the meter-shaped despin equipment is better than that of the cross-shaped despin equipment, so that the specific form of the despin equipment can be selected according to the length of a rear flue of the flue gas purifier. When the multi-unit arranged despinning equipment is suitable for large-diameter pipelines, the multi-unit cross-shaped despinning equipment can be selected for use due to enough space, and the meter-shaped despinning equipment with a better despinning effect can be selected for use due to limited space.

The racemization equipment provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. The racemization equipment is characterized by comprising a front pipe body and a rear pipe body which are communicated with each other, wherein a first baffle and a second baffle are arranged in an inner cavity of the pipe body, the first baffle and the second baffle are vertically crossed, and the radial section of the first baffle is in a cross shape.

2. The racemization apparatus as claimed in claim 1, wherein the tube is a rectangular tube having a rectangular radial cross-section.

3. The racemization apparatus as claimed in claim 2, wherein the tubular body has a radial cross-sectional dimension of 0.3m x 0.3m-2m x 2m and a length of 0.5m-2 m.

4. The racemization apparatus as claimed in claim 1, wherein the tube is a circular tube having a circular radial cross-section.

5. The racemization device according to claim 1, wherein the racemization device is made of a low temperature corrosion resistant material.

6. The despin device of claim 1, wherein the distance from the despin device to the outlet of the peripheral flue gas purifier is 0.5m-5 m.

7. The racemization device according to claim 1, wherein a third baffle and a fourth baffle which are vertically intersected are further arranged in the inner cavity of the tube body, and the radial cross section of each of the first baffle, the second baffle, the third baffle and the fourth baffle is in a shape of Chinese character 'mi'.