CN215965479U - Waste gas heat exchange and cooling device for soil remediation water tank - Google Patents
Waste gas heat exchange and cooling device for soil remediation water tank Download PDFInfo
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- CN215965479U CN215965479U CN202122152662.9U CN202122152662U CN215965479U CN 215965479 U CN215965479 U CN 215965479U CN 202122152662 U CN202122152662 U CN 202122152662U CN 215965479 U CN215965479 U CN 215965479U
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Abstract
The utility model discloses a waste gas heat exchange and cooling device for a soil remediation water tank, which comprises a circulating water tank (1) and a waste gas pipeline (2) arranged in the circulating water tank (1), wherein the waste gas pipeline (2) is immersed in the circulating water tank (1), two ends of the waste gas pipeline extend out of two end plates (11) of the circulating water tank (1) and are in sealed connection with the two end plates (11) of the circulating water tank (1), a water tank water inlet (a) and a water tank water outlet (b) are respectively arranged at positions close to the two ends of the circulating water tank (1), the water tank water inlet (a) and the water tank water outlet (b) are connected through a circulating pipeline (3), and a circulating water pump (4) is arranged on the circulating pipeline (3). The utility model solves the defects of high energy consumption and high restoration cost of treating the waste gas extracted from the soil in the restoration process of the polluted soil, and improves the engineering benefit.
Description
Technical Field
The utility model relates to the technical field of soil remediation, in particular to a waste gas heat exchange cooling device of a soil remediation water tank.
Background
The 'soil cleaning' work is one of three big environmental protection attack and solidness wars in China and is an important component for building beautiful China. With the promulgation and implementation of the soil pollution prevention and control law, the soil pollution prevention and control work is paid unprecedented attention at present. Contaminated soil restoration mode includes normal position restoration and ectopic restoration, and the construction drawbacks such as dystopy is restoreed and is related to earthwork excavation, soil transportation and temporary storage, and present soil normal position thermal desorption is restoreed and is gradually become contaminated soil restoration's hot technique.
The thermal desorption is a soil remediation method for promoting pollutants to volatilize and carrying out centralized treatment on the pollutants by heating soil, and according to different heating modes, the common in-situ thermal desorption comprises three types of heat conduction, resistance heating and steam heating, wherein the heat conduction comprises electric heating heat conduction and fuel gas heating heat conduction. The heat transfer has the advantage of a high heating temperature, with a consequent rise in the temperature of the combustion gases and of the soil extraction gases. The high temperature of the combustion waste gas can influence the high temperature of a bearing of a combustion-supporting induced draft fan to cause the damage of the induced draft fan; the washing liquid separation effect is influenced by the overhigh temperature of the soil extraction waste gas, most pollutants stay in the extraction waste gas, the treatment cost of the soil extraction waste gas is higher than the treatment cost of the waste water, and the overall cost of soil remediation is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the defects of high energy consumption and high repair cost of soil extraction waste gas treatment in the repair process are overcome, and therefore the utility model provides the waste gas heat exchange cooling device for the soil repair water tank, which is a practical, economic and reliable waste gas heat exchange cooling device for combustion or soil extraction waste gas, reduces the repair cost and improves the engineering benefit.
The utility model adopts the following technical scheme:
the waste gas heat exchange and cooling device for the soil remediation water tank is characterized by comprising a circulating water tank and a waste gas pipeline arranged in the circulating water tank, wherein the waste gas pipeline is immersed in the circulating water tank, two ends of the waste gas pipeline extend out of two end plates of the circulating water tank and are in sealed connection with the two end plates of the circulating water tank, a water tank water inlet and a water tank water outlet are respectively arranged at positions close to two ends of the circulating water tank, the water tank water inlet and the water tank water outlet are connected through the circulating pipeline, and a circulating water pump is arranged on the circulating pipeline.
Preferably, both ends of the exhaust gas pipe are respectively provided with a connecting flange.
Furthermore, the circulating water tanks are provided with a plurality of circulating water tanks, each circulating water tank is respectively provided with one waste gas pipeline, water tank water inlets of two adjacent circulating water tanks are connected with a water tank water outlet in series, a water outlet of each circulating water tank is connected with a water tank water inlet of one of the circulating water tanks, and a water inlet of each circulating pipe is connected with a water tank water outlet of the last circulating water tank.
Further preferably, the water flow directions in two adjacent circulating water tanks are arranged in opposite directions and/or in the same direction.
Or furthermore, the number of the circulating water tanks is multiple, one waste gas pipeline is arranged in each circulating water tank, a water supply pipeline of each circulating pipeline is connected with a water tank water inlet of each circulating water tank through a plurality of water supply branch pipes, and a water tank water outlet of each circulating water tank is communicated with a water return pipeline of each circulating pipeline through a water return branch pipe.
The flow direction of the waste gas in each waste gas pipeline is opposite to the flow direction of the water in the corresponding circulating water tank.
Preferably, a water tank outlet on each circulating water tank is arranged at an end plate of the circulating water tank, and each water tank outlet is connected in parallel through the return branch pipe and then communicated with a return pipeline of the circulating pipeline.
The circulating water tank is of a cuboid structure, and the upper side face of the circulating water tank is of an open structure.
The device is also provided with a cooling tower or a water chilling unit for injecting cooling water or chilled water into the circulating water tank.
The technical scheme of the utility model has the following advantages:
the water tank waste gas heat exchange cooling device provided by the utility model can be made into a single unit, a multi-unit series connection or a multi-unit parallel connection mode, and can effectively exchange heat with a combustion waste gas pipeline or a soil extraction waste gas pipeline of a polluted soil thermal desorption restoration heating system, so that the combustion waste gas or the soil extraction waste gas is cooled; meanwhile, a system with higher requirements on heat exchange and cooling effects can be provided with a cooling tower or a water chilling unit, and the circulating water is cooled and frozen and then is subjected to heat exchange and cooling, so that the heat exchange and cooling effects of the waste gas in the water tank can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings which are needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained from the drawings without inventive labor to those skilled in the art.
FIG. 1 is a schematic structural view of a heat exchange cooling device for a water tank according to the present invention;
FIG. 2 is a top view of the structure shown in FIG. 1;
FIG. 3 is a schematic diagram of a multi-cell serial structure;
fig. 4 is a schematic diagram of a multi-unit parallel connection structure.
The labels in the figure are as follows:
1-circulating water tank
11-end plate
2-exhaust gas line
21-connecting flange
3-circulation pipeline
31-supply lines, 311-supply branches
32-return pipe, 321-return branch pipe
4-circulating water pump; 5-valve.
a-a water inlet of the water tank and b-a water outlet of the water tank.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a waste gas heat exchange cooling device for a soil remediation water tank, which comprises a circulating water tank 1 and a waste gas pipeline 2 arranged in the circulating water tank 1, wherein the waste gas pipeline 2 is immersed in the circulating water tank 1, two ends of the waste gas pipeline 2 extend out of two end plates 11 of the circulating water tank 1 and are in sealed connection with the two end plates 11 of the circulating water tank 1, a water tank water inlet a and a water tank water outlet b are respectively arranged at positions close to two ends of the circulating water tank 1, the water tank water inlet a and the water tank water outlet b are connected through the circulating pipeline 3, and a circulating water pump 4 is arranged on the circulating pipeline 3. A water tank cools an exhaust gas pipeline, and the structure of the water tank is divided into a circulating water tank 1 and an exhaust gas pipeline 2.
The main body of the circulating water tank 1 can be made of steel materials or other light materials, the bracket can be made of steel materials, and the bracket of the water tank which needs to be made of other light materials can be made of other light materials. The circulation water tank 1 is preferably a rectangular parallelepiped, the length of which is determined according to the diameter of the exhaust gas pipe 2 and the temperature of the exhaust gas. The upper end face of the circulating water tank 1 is preferably of an open structure, the other five faces are connected in a closed mode, the diameter of the opening of the end plates 11 at the two ends of the cuboid of the circulating water tank 1 is 1-2mm larger than the outer diameter of the waste gas pipeline 2, and the circulating water tank 1 and the waste gas pipeline 2 are conveniently connected and sealed; the circulating water tank 1 is provided with a mounting flange at the side plate of the waste gas inlet so as to be connected with a water supply pipeline 31 system. Meanwhile, two ends of the waste gas pipeline 2 are respectively provided with a connecting flange 21 which is connected with a soil extraction waste gas pipeline.
The water tank waste gas heat exchange cooling device can be used in a single unit, multiple units in parallel connection and multiple units in series connection. The system with higher requirement on the heat exchange cooling effect can be additionally provided with a cooling tower or a water chilling unit, and the circulating water is cooled and frozen and then is subjected to heat exchange cooling for use, so that the heat exchange cooling effect of the waste gas in the water tank can be improved.
The structure shown in fig. 1 and 2 is a single unit structure:
the waste gas pipeline 2 penetrates through two ends of the circulating water tank 1 and is connected with two ends of the circulating water tank 1 in a sealing mode. The exhaust gas pipe 2 is provided on both sides with connection flanges 21 for connection to an exhaust gas pipe system.
The water supply system of the circulating water tank 1 directly supplies water to the diagonal side of the water return hole of the circulating water tank 1 by the circulating water pump 4.
FIG. 3 is a diagram of the structure of the multi-unit serial use:
one circulation water tank 1 cools one exhaust gas pipeline 2, and a plurality of circulation water tanks 1 are connected in series to cool a plurality of exhaust gas pipelines 2, and the figure shows that three circulation water tanks 1 are connected in series, but more units can be adopted to be connected in series for use. The water tank water inlet a and the water tank water outlet b of two adjacent circulating water tanks 1 form a series connection, the water outlet of the circulating pipeline 3 is connected with the water tank water inlet a of one of the circulating water tanks 1, and the water inlet of the circulating pipeline 3 is connected with the water tank water outlet b of the last circulating water tank 1.
When the multiple units are connected in series for use, the position of the water return holes of the adjacent circulating water tanks 1 is opposite to 180 degrees, so that the multiple units are connected with the water return holes of the multiple circulating water tanks 1 in series. A plurality of units can be arranged according to the requirement of a project site, and the water return ports of all the circulating water tanks 1 are connected in series and then connected with the water return pipeline 32. The other structures are consistent with the single unit using structure, so that a plurality of circulating water tanks 1 can be formed to be connected in series to cool a plurality of waste gas pipelines 2. Because of the use of a plurality of units series connection, cooling water temperature can heat up along with the heat transfer, and the heat transfer effect of later stage unit is lower more, and this structure is applicable to the waste gas heat transfer system that heat transfer cooling efficiency is not high.
FIG. 4 is a schematic diagram of a multi-unit parallel structure:
that is, one circulation water tank 1 cools one exhaust gas duct 2, and a plurality of circulation water tanks 1 cool a plurality of exhaust gas ducts 2 in parallel. The figure shows a parallel structure of three circulating water tanks 1, but more units can be used in parallel. The water supply line 31 of the circulation line 3 is connected to the water tank inlet a of each circulation water tank 1 through a plurality of water supply branch lines 311, but the water supply branch lines 311 connected to the water supply line 31 may be directly supplied with cooling water from an upper opening of the circulation water tank 1 to seal the water tank inlet a, and the water tank outlet b of each circulation water tank 1 is connected to the water return line 32 of the circulation line 3 through a water return branch line 321.
In the utility model, the water tank water outlet b of a single circulating water tank 1 can be arranged beside the waste gas inlet pipeline so as to be respectively connected with the water tank water outlets b of a plurality of circulating water tanks 1 through the water return branch pipes 321, and then the water return branch pipes 321 are connected in parallel on the water return pipeline 32. The number of parallel connection shown in the figure is not limited according to the needs of the engineering site, and a plurality of units can be arranged, and the return branch pipes 321 are connected in parallel and then connected with the return pipeline 32. The water supply system is provided with a valve 5 at the water inlet end of each circulating water tank 1 and connected in parallel. The structure of the device is consistent with the using structure of the single unit, a plurality of circulating water tanks 1 can be formed to be connected in parallel to cool a plurality of waste gas pipelines 2, the trend of waste gas is opposite to the trend of water in the circulating water tanks 1, the heat exchange cooling effect of the structure device is better than that of a plurality of units which are connected in series to be used, and the heat exchange cooling effect is basically consistent with that of the single unit.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the utility model.
Claims (9)
1. The utility model provides a soil remediation basin waste gas heat transfer cooling device, its characterized in that, the device include circulation basin (1) and arrange in waste gas pipeline (2) in circulation basin (1), waste gas pipeline (2) soak in circulation basin (1), its both ends stretch out both ends board (11) of circulation basin (1), and with two end board (11) of circulation basin (1) form sealing connection, be close to the both ends punishment of circulation basin (1) do not is equipped with basin water inlet (a) and basin delivery port (b), connect through circulation pipeline (3) between basin water inlet (a) and the basin delivery port (b), be equipped with circulating water pump (4) on circulation pipeline (3).
2. The waste gas heat exchange and cooling device for the soil remediation water tank of claim 1, wherein the two ends of the waste gas pipeline (2) are respectively provided with a connecting flange (21).
3. The soil remediation water tank waste gas heat exchange cooling device according to claim 2, wherein a plurality of circulating water tanks (1) are provided, each circulating water tank (1) is provided with one waste gas pipeline (2), water tank water inlets (a) and water tank water outlets (b) of two adjacent circulating water tanks (1) are connected in series, water outlets of the circulating pipelines (3) are connected with the water tank water inlet (a) of one of the circulating water tanks (1), and water inlets of the circulating pipelines (3) are connected with the water tank water outlet (b) of the last circulating water tank (1).
4. The waste gas heat exchange and cooling device for the soil remediation water tank as claimed in claim 3, wherein the water flow direction in two adjacent circulating water tanks (1) is reversed and/or the same.
5. The waste gas heat exchange and cooling device for the soil remediation water tank as claimed in claim 2, wherein a plurality of circulating water tanks (1) are provided, each circulating water tank (1) is provided with one waste gas pipeline (2), a water supply pipeline (31) of each circulating pipeline (3) is connected with a water tank water inlet (a) of each circulating water tank (1) through a plurality of water supply branch pipes (311), and a water tank water outlet (b) of each circulating water tank (1) is communicated with a water return pipeline (32) of each circulating pipeline (3) through a water return branch pipe (321).
6. The waste gas heat exchange cooling device of the soil remediation water tank of claim 5, wherein the flow direction of the waste gas in each waste gas pipeline (2) is opposite to the flow direction of the water in the corresponding circulating water tank (1).
7. The waste gas heat exchange and cooling device for the soil remediation water tank as claimed in claim 6, wherein the water tank water outlet (b) of each circulation water tank (1) is arranged at an end plate (11) of the circulation water tank (1), and the water tank water outlets (b) are connected in parallel through the water return branch pipes (321) and then communicated with the water return pipeline (32) of the circulation pipeline (3).
8. The waste gas heat exchange and cooling device for the soil remediation water tank as claimed in any one of claims 1 to 7, wherein the circulation water tank (1) is of a rectangular parallelepiped structure, and the upper side surface of the circulation water tank is of an open structure.
9. The soil remediation water tank waste gas heat exchange cooling device as claimed in claim 8, wherein the device is further provided with a cooling tower or a water chilling unit for injecting cooling water or chilled water into the circulating water tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122152662.9U CN215965479U (en) | 2021-09-07 | 2021-09-07 | Waste gas heat exchange and cooling device for soil remediation water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122152662.9U CN215965479U (en) | 2021-09-07 | 2021-09-07 | Waste gas heat exchange and cooling device for soil remediation water tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215965479U true CN215965479U (en) | 2022-03-08 |
Family
ID=80467470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122152662.9U Active CN215965479U (en) | 2021-09-07 | 2021-09-07 | Waste gas heat exchange and cooling device for soil remediation water tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215965479U (en) |
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2021
- 2021-09-07 CN CN202122152662.9U patent/CN215965479U/en active Active
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