Continuous blowdown waste heat recovery device with multi-stage filtration structure
Technical Field
The utility model relates to a waste heat recovery device, in particular to a continuous blowdown waste heat recovery device with a multistage filtering structure.
Background
The waste heat is energy which is not utilized in energy utilization equipment under certain economic and technical conditions, namely redundant and waste energy. The waste heat recycling is an important way for improving the economy and saving the fuel. The sewage in the production and processing usually contains higher heat, and the sewage heat in the sewage pipes is usually recycled by using waste heat recovery equipment such as a heat exchanger, the sewage pipes are led into a recovery device, and the heat on the outer wall of the sewage pipes is used for heating the water liquid in the heat exchanger.
The sewage pipes in the existing waste heat recovery device are generally in a unthreaded hole structure, and the condition that sewage impurities in the pipes cannot be subjected to multi-stage filtration exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a continuous blowdown waste heat recovery device with multiple stage filtration structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
continuous blowdown waste heat recovery device with multistage filtration, including the waste heat recovery box, waste heat recovery box one side top internally mounted has the inlet channel, and is connected with outlet conduit below the waste heat recovery box opposite side outer wall, the inside through connection of waste heat recovery box has sewage pipes, and sewage in the sewage pipes to with the inlet channel with the outlet conduit in the water liquid flow direction the same, sewage pipes is vertical back type tubular construction, and sewage pipes's vertical end internal connection has the one-level filter layer to the one-level filter layer is network structure, the one-level filter layer is equipped with a plurality ofly, and the mesh number of one-level filter layer is along with sewage flow to progressively increasing, sewage pipes's circular arc section bottom is connected with the impurity pipeline, and impurity pipeline externally mounted has the logical valve.
As a further aspect of the present invention: the inner wall of the waste heat recovery box body is connected with a heat preservation layer, and the heat preservation layer is made of heat preservation foam.
As a further aspect of the present invention: the waste heat recovery box bottom external connection has the support column, and the positioning hole has been seted up to the support column bottom to the support column is telescopic rod structure.
As a further aspect of the present invention: the sewage pipes are internally connected with an activated carbon filter plate and a permeable membrane, and the activated carbon filter plate and the permeable membrane are sequentially positioned at the rear of the first-stage filter layer.
As a further aspect of the present invention: the number of the first-stage filter layers is at least 3, and the sum of the number of the first-stage filter layers, the number of the activated carbon filter plates and the number of the permeable membranes is equal to the number of the impurity pipelines.
As a further aspect of the present invention: the impurity pipeline is located in the middle of the circular arc structure at the bottom of the sewage pipeline on the front sides of the first-stage filter layer, the activated carbon filter plate and the permeable membrane, and the height of the lowest point of the circular arc of the sewage pipeline is equal to the height of the top of the sewage pipeline.
Compared with the prior art, the beneficial effects of the utility model are that: this continuous blowdown waste heat recovery device with multi-stage filtration structure can carry out multi-stage filtration to the impurity in the sewage pipes, reduces the impurity in the sewage, can not contain too much foreign matter among the messenger sewage. The sewage discharge pipeline of the continuous sewage discharge waste heat recovery device with the multistage filtering structure is internally provided with a plurality of one-stage filtering layers with mesh structures, the mesh numbers of which are gradually increased, so that impurities in water liquid in the sewage discharge pipeline are subjected to multistage filtering, and the water liquid cannot contain excessive foreign matters.
Drawings
FIG. 1 is a schematic structural diagram of a continuous blowdown waste heat recovery device with a multi-stage filtering structure;
FIG. 2 is an enlarged schematic view of the part A in FIG. 1 of the continuous blowdown waste heat recovery device with a multi-stage filtering structure;
FIG. 3 is a schematic top view of a first filtering layer of the continuous blowdown waste heat recovery device with a multi-stage filtering structure;
FIG. 4 is a schematic top view of an activated carbon filter plate in the continuous blowdown waste heat recovery device with a multi-stage filter structure;
fig. 5 is a schematic top view of a water permeable membrane in a continuous blowdown waste heat recovery device with a multi-stage filtering structure.
In the figure: 1. the water inlet pipe, 2, the heat preservation, 3, the waste heat recovery box, 4, sewage pipes, 5, one-level filter layer, 6, logical check valve, 7, impurity pipeline, 8, the membrane of permeating water, 9, positioning hole, 10, support column, 11, outlet conduit, 12, active carbon filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, in the embodiment of the present invention, a continuous blowdown waste heat recovery device with a multi-stage filtration structure comprises a waste heat recovery box 3, a water inlet pipe 1 is installed inside the upper portion of one side of the waste heat recovery box 3, a water outlet pipe 11 is connected below the outer wall of the other side of the waste heat recovery box 3, a heat preservation layer 2 is connected to the inner wall of the waste heat recovery box 3, and the heat preservation layer 2 is made of heat preservation foam, so that the heat preservation layer 2 can preserve heat of water liquid in the waste heat recovery box 3, reduce the heat emission to the outside of the waste heat recovery box 3, a support column 10 is connected to the outside of the bottom end of the waste heat recovery box 3, a positioning through hole 9 is formed in the bottom of the support column 10, and the support column 10 is a telescopic rod structure, the telescopic rod structure can adopt a freely positioning sliding support B-157, and the impurity pipeline 7 can be fixed with the ground through a screw inserted into the positioning through hole 9, the inside of the waste heat recovery box body 3 is connected with a sewage discharge pipeline 4 in a penetrating way, the sewage flow direction in the sewage discharge pipeline 4 is the same as the water flow direction in the water inlet pipeline 1 and the water outlet pipeline 11, the inside of the sewage discharge pipeline 4 is connected with an active carbon filter plate 12 and a permeable membrane 8, the active carbon filter plate 12 and the permeable membrane 8 are sequentially positioned behind a first-stage filter layer 5, the structure enables the active carbon filter plate 12 and the permeable membrane 8 to further filter the sewage, the multistage filtering effect is improved, the sewage discharge pipeline 4 is of a vertical-loop structure, the inside of the vertical end of the sewage discharge pipeline 4 is connected with the first-stage filter layer 5, the first-stage filter layer 5 is of a mesh structure, at least 3 first-stage filter layers 5 are arranged, and the sum of the number of the first-, the structure ensures that each first-stage filter layer 5, the activated carbon filter plate 12 and the permeable membrane 8 can correspond to one impurity pipeline 7, the impurity pipeline 7 is positioned in the middle of an arc structure at the bottom of the sewage pipeline 4 at the front side of the first-stage filter layer 5, the activated carbon filter plate 12 and the permeable membrane 8, the height of the arc lowest point of the sewage pipeline 4 is equal to the height of the top of the sewage pipeline 4, the structure ensures that sewage impurities filtered by the first-stage filter layer 5, the activated carbon filter plate 12 and the permeable membrane 8 can all slide to the arc position of the sewage pipeline 4 and are discharged by the sewage pipeline 4, the number of the first-stage filter layers 5 is increased gradually along with the flow direction of the sewage, the bottom of the arc section of the sewage pipeline 4 is connected with the impurity pipeline 7, the outside of the impurity pipeline 7 is provided with the stop valve 6, and the structure ensures that the first-stage filter layer 5 can, and the first-stage filter layer 5 with gradually increased mesh number can gradually reduce the size of the filter pores along with the flow of the sewage so as to carry out multi-stage filtration on impurities in the sewage, and then the impurities are discharged through the impurity pipeline 7.
The utility model discloses a theory of operation is: when the continuous blowdown waste heat recovery device with the multistage filtering structure is used, firstly, the supporting column 10 needs to be adjusted to a proper height, then the supporting column is fixed on the ground through the positioning through hole 9 to support the positioning through hole 9, then a user can introduce water liquid to be heated into the waste heat recovery box 3 through the water inlet pipeline 1, sewage entering the interior of the blowdown pipeline 4 from the direction of the water inlet pipeline 1 can sequentially pass through the first-stage filtering layer 5 with gradually increased mesh number, the activated carbon filtering plate 12 and the permeable membrane 8, impurities in the sewage can be filtered and separated by the first-stage filtering layer 5, the activated carbon filtering plate 12 and the permeable membrane 8, then the sewage leaves the interior of the waste heat recovery box 3, when the water liquid flows in the blowdown pipeline 4 in the interior of the waste heat recovery box 3, heat can be emitted into the water liquid of the waste heat recovery box 3 through the outer wall of the blowdown pipeline, in order to reach waste heat recovery's purpose, the heat preservation 2 of 3 inner walls of waste heat recovery box can reduce the outside emission of water liquid heat, and the water liquid that is heated can be discharged through outlet conduit 11, and 4 inside impurity that are filtered off can the landing to the circular arc part bottom of sewage pipes 4, then can open logical check valve 6 and pass through impurity pipeline 7 with impurity and discharge to accomplish a series of work.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.