CN220061723U

CN220061723U - Novel continuous blowdown waste water recovery device

Info

Publication number: CN220061723U
Application number: CN202321211177.7U
Authority: CN
Inventors: 姜兆杰; 田立强
Original assignee: Shandong Heat Energy And Electric Power Design Institute
Current assignee: Shandong Heat Energy And Electric Power Design Institute
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-11-21
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a novel continuous blowdown wastewater recovery device, which comprises a capacity-expansion purifying and recovering device, wherein the capacity-expansion purifying and recovering device is placed on the ground; further comprises: the inlet is connected with the capacity-expanding purifying recoverer through a flange, and the right end of the inlet is connected with a boiler blow-down pipeline; the top of the expansion purification recoverer extends into an external steam supply pipeline, the bottom of the external steam supply pipeline extends into an inner wall, and the inner wall is arranged in the expansion purification recoverer; the right upper end of the capacity-expansion purifying recoverer is provided with an exhaust valve. This novel continuous blowdown waste water recovery device installs and supplies steam conduit outward, can carry low pressure steam through supplying steam conduit outward to make and supply steam conduit outward can carry the inner wall to the dilatation purification recoverer with steam, through the high temperature of steam, can flash distillation to the inside sewage of dilatation purification recoverer, thereby reduce the loss of energy.

Description

Novel continuous blowdown waste water recovery device

Technical Field

The utility model relates to the technical field of wastewater recovery, in particular to a novel continuous blowdown wastewater recovery device.

Background

Under the current environment, the energy utilization rate of energy departments to power plants is becoming stricter, continuous pollution discharge of boilers is an important and indispensable system in boiler units of thermal power plants, and the boilers can generate waste water when in use, so that waste water is avoided, and then the waste water is required to be recovered;

the continuous blowdown system of the existing boiler has high blowdown parameter and large blowdown proportion, the high-temperature high-pressure boiler unit with 480t/h can reach 4.8t/h in an hour blowdown capacity, the temperature of the blowdown water can reach 300 ℃ and the pressure is higher than 4MPa, the continuous blowdown system is high-energy waste water in the operation process of a thermal power plant, and most of continuous blowdown waste water of the power plant is discharged to a sewage pipe network after being subjected to the measures such as capacity expansion, water mixing and cooling and the like, so that a large amount of heat and water waste exists.

Therefore, we provide a novel continuous sewage and wastewater recovery device which can well solve the problems.

Disclosure of Invention

The utility model aims to provide a novel continuous blowdown wastewater recovery device, which aims to solve the problem that the wastewater discharge in the current market can cause energy loss in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel continuous blowdown wastewater recovery device comprises a capacity-expansion purifying and recovering device, wherein the capacity-expansion purifying and recovering device is placed on the ground;

further comprises:

the inlet is connected with the capacity-expanding purifying recoverer through a flange, and the right end of the inlet is connected with a boiler blow-down pipeline.

Preferably, the top of the expansion purification recoverer stretches into an external steam supply pipeline, the bottom of the external steam supply pipeline stretches into the inner wall, and the inner wall is arranged in the expansion purification recoverer.

Through the arrangement of the structure, the outer steam supply pipeline can convey steam into the inner wall, so that the effect of flash evaporation of sewage is achieved.

Preferably, an exhaust valve is arranged at the right upper end of the capacity-expansion purifying recoverer, and the bottom of the exhaust valve stretches into the capacity-expansion purifying recoverer.

Through the arrangement of the structure, the exhaust pressure can be carried out through the exhaust valve when the internal pressure of the capacity-expansion purifying recoverer is too high.

Preferably, a discharge pipe is arranged at the right lower end of the capacity-expansion purifying recoverer, a cleaning pipe is arranged at the left upper end of the capacity-expansion purifying recoverer in an extending mode, and desalted water can be conveyed in the cleaning pipe.

Through the structure, the desalted water conveyed by the cleaning pipe can clean the inside of the dilatation purifying recoverer.

Preferably, the inside of dilatation purification recoverer is fixed with the support, and the support is "I" shape setting to rotate on the left side outer wall of support and be provided with the impeller.

Through the structure, the impeller can rotate through the flow of sewage.

Preferably, a gap exists between the outer end of the impeller and the inside of the capacity-expansion purifying recoverer, a brush is arranged at the left end of the impeller, and the outer end of the brush is attached to the inside of the capacity-expansion purifying recoverer.

Through the arrangement of the structure, the hairbrush can rotate to clean impurities on the inner wall of the dilatation purifying recoverer.

Compared with the prior art, the utility model has the beneficial effects that: this novel continuous blowdown waste water recovery device has avoided the loss of energy and can clear up the inside of dilatation purification recoverer, through outer steam supply steam pipe transportation steam for can flash distillation to the inside of dilatation purification recoverer, thereby avoid the loss of energy, and spray demineralized water through the wash pipe, can clear up the inside of dilatation purification recoverer, its concrete content is as follows:

(1) The device is provided with an external steam supply pipeline, low-pressure steam can be conveyed through the external steam supply pipeline, so that the external steam supply pipeline can convey the steam to the inner wall of the expansion purification recoverer, and sewage in the expansion purification recoverer can be subjected to flash evaporation through the high temperature of the steam, thereby reducing the loss of energy sources;

(2) Be provided with the wash pipe, carry demineralized water through the wash pipe, make the demineralized water wash the inside of dilatation purification recoverer then to clear up the inside impurity of dilatation purification recoverer, make equipment can operate for a long time then.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the front cross-section structure of the present utility model;

FIG. 3 is a schematic illustration of a front cross-sectional structure of a stent of the present utility model;

fig. 4 is a schematic side sectional view of the bracket of the present utility model.

In the figure: 1. an expansion purifying recoverer; 2. an inlet; 3. an external steam supply pipeline; 4. an inner wall; 5. an exhaust valve; 6. a discharge pipe; 7. cleaning the tube; 8. a bracket; 9. an impeller; 10. a brush.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the novel continuous blowdown wastewater recovery device comprises a capacity-expanding purifying recoverer 1, wherein the capacity-expanding purifying recoverer 1 is placed on the ground; further comprises: the inlet 2 is connected with the capacity-expansion purification recoverer 1 through a flange, the right end of the inlet 2 is connected with a boiler blow-down pipeline, the top of the capacity-expansion purification recoverer 1 stretches into an outer steam supply pipeline 3, the bottom of the outer steam supply pipeline 3 stretches into an inner wall 4, the inner wall 4 is arranged inside the capacity-expansion purification recoverer 1, the right upper end of the capacity-expansion purification recoverer 1 is provided with an exhaust valve 5, the bottom of the exhaust valve 5 stretches into the inside of the capacity-expansion purification recoverer 1, the right lower end of the capacity-expansion purification recoverer 1 is provided with a discharge pipe 6, the left upper end of the capacity-expansion purification recoverer 1 stretches into a cleaning pipe 7, and desalted water can be conveyed inside the cleaning pipe 7;

referring to fig. 1 to 2, sewage is transferred to the inside of the capacity-expanding and purifying recoverer 1 through an inlet 2, and then steam is transferred to an inner wall 4 through an external steam supply pipeline 3, so that the steam can raise the temperature of the inside of the capacity-expanding and purifying recoverer 1, and then the steam can flash-evaporate the sewage in the capacity-expanding and purifying recoverer 1, so that the sewage can reach the discharge standard, and the redundant pressure in the capacity-expanding and purifying recoverer 1 can be discharged through an exhaust valve 5, and the treated sewage can be discharged through an exhaust pipe 6, so that the purpose of continuous pollution discharge is achieved;

the inside of the dilatation purification recoverer 1 is fixed with a bracket 8, the bracket 8 is in an I shape, an impeller 9 is rotatably arranged on the outer wall of the left side of the bracket 8, a gap exists between the outer end of the impeller 9 and the inside of the dilatation purification recoverer 1, the left end of the impeller 9 is provided with a brush 10, and the outer end of the brush 10 is attached to the inside of the dilatation purification recoverer 1;

referring to fig. 2 to 4, sewage enters the capacity-expanding purification recoverer 1 through the inlet 2 and then drives the impeller 9 to rotate, so that the impeller 9 can rotate on the support 8, and the impeller 9 rotates to drive the brush 10 to rotate, so that the brush 10 can clean the inside of the capacity-expanding purification recoverer 1, impurities are prevented from being adsorbed on the inside of the capacity-expanding purification recoverer 1, and desalted water is conveyed through the cleaning pipe 7, so that the desalted water can clean the impurities adsorbed on the inside of the capacity-expanding purification recoverer 1, the aim of cleaning is achieved, and the using time of equipment is prolonged.

Working principle: when the novel continuous blowdown wastewater recovery device is used, firstly, referring to fig. 1-2, sewage is conveyed to the inside of the capacity-expanding purification recoverer 1 through the inlet 2, and then steam is conveyed to the inner wall 4 through the outer steam supply pipeline 3, so that the steam can raise the temperature in the capacity-expanding purification recoverer 1, the sewage can reach the discharge standard, and the treated sewage can be discharged through the discharge pipe 6, so that the purpose of continuous blowdown is achieved;

referring to fig. 2 to 4, the sewage enters the capacity-expanding purification recoverer 1 through the inlet 2 to drive the impeller 9 to rotate, so that the impeller 9 rotates to drive the brush 10 to rotate, so that the brush 10 can clean the inside of the capacity-expanding purification recoverer 1, thereby avoiding the adsorption of impurities on the inside of the capacity-expanding purification recoverer 1, so that the desalting water can clean the impurities adsorbed on the inside of the capacity-expanding purification recoverer 1, thereby achieving the aim of cleaning, and prolonging the use time of equipment.

What is not described in detail in this specification is prior art known to those skilled in the art.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The novel continuous blowdown wastewater recovery device comprises a capacity-expansion purifying and recovering device (1), wherein the capacity-expansion purifying and recovering device (1) is placed on the ground;

characterized by further comprising:

the inlet (2) is connected with the dilatation purification recoverer (1) through a flange, the right end of the inlet (2) is connected with a boiler blow-down pipeline, the top of the dilatation purification recoverer (1) stretches into an outer steam supply pipeline (3), the bottom of the outer steam supply pipeline (3) stretches into an inner wall (4), and the inner wall (4) is arranged inside the dilatation purification recoverer (1).

2. The novel continuous blowdown wastewater recovery device of claim 1, wherein: the right upper end of the expansion purification recoverer (1) is provided with an exhaust valve (5), and the bottom of the exhaust valve (5) stretches into the expansion purification recoverer (1).

3. The novel continuous blowdown wastewater recovery device of claim 1, wherein: the right lower extreme of dilatation purification recoverer (1) is provided with blow off line (6), just the upper left end of dilatation purification recoverer (1) stretches into and is provided with wash pipe (7) to the inside of wash pipe (7) can carry demineralized water.

4. The novel continuous blowdown wastewater recovery device of claim 1, wherein: the inside of dilatation purification recoverer (1) is fixed with support (8), and support (8) are "I" shape setting to rotate on the left side outer wall of support (8) and be provided with impeller (9).

5. The novel continuous blowdown wastewater recovery device of claim 4, wherein: a gap exists between the outer end of the impeller (9) and the inside of the capacity-expansion purifying recoverer (1), a brush (10) is arranged at the left end of the impeller (9), and the outer end of the brush (10) is attached to the inside of the capacity-expansion purifying recoverer (1).