CN212778763U - Heat recovery system - Google Patents
Heat recovery system Download PDFInfo
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- CN212778763U CN212778763U CN202021133511.8U CN202021133511U CN212778763U CN 212778763 U CN212778763 U CN 212778763U CN 202021133511 U CN202021133511 U CN 202021133511U CN 212778763 U CN212778763 U CN 212778763U
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Abstract
The utility model relates to a heat recovery system, include: the system comprises a box body 1, a first pipeline 11, a second pipeline 12, a third pipeline 13 and a first load 2. The box body 1 is of a cavity structure and is used for mixing the steam condensate and the low-temperature medium to form a neutralizing medium; the first pipeline 11 is connected with the box body 1 and used for inputting a low-temperature medium into the box body 1; the second pipeline 12 is connected with the box body 1 and is used for conveying a second medium to the box body 1; the third pipeline 13 is connected to the bottom of the box body 1 and used for discharging sewage; the first load 2 is connected with the box body 1 and is used for acquiring the neutralizing medium from the box body 1 for utilization. The low-temperature medium and the unqualified steam condensate are injected into the box body to form a neutralizing medium, a heat source is provided for a load, the concentration of the diluted steam condensate is reduced, conveying equipment and a pipeline are not corroded, heat is utilized, the ion concentration is reduced when the steam condensate is discharged, and the environment is protected.
Description
Technical Field
The utility model belongs to chemical industry heat supply field, more specifically relates to a heat recovery system.
Background
Steam is lost continuously due to heat in the process of pipeline transportation, so a certain amount of condensate can be generated in the pipeline, and in order to not influence the normal operation of the pipeline, the steam condensate generated in the system can be discharged at a fixed point through a drain valve and a pilot shower valve. Condensate produced by different pipe materials and purposes of the steam pipe network system is different, and the condensate produced under the general conditions comprises process condensate, turbine condensate, qualified steam condensate, unqualified steam condensate and the like. The process condensate, the turbine condensate and the qualified steam condensate are recycled for the second time because the conductivity is low and all reach the standard of pure water, and the unqualified steam condensate is discharged to a sewage system because the conductivity is high and the impurity content is large, so that the heat waste is caused. How to improve the heat utilization of unqualified steam condensate and reduce the pollution to the environment becomes a problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the steam pipe network runs, emits, drips and leaks and discharges to cause the waste of influence and energy consumption to equipment and environment in the production process.
Thus, according to one aspect of the present invention, there is provided a condensate recovery system comprising: the system comprises a box body 1, a first pipeline 11, a second pipeline 12, a third pipeline 13 and a first load 2, wherein the box body 1 is of a cavity structure and is used for mixing steam condensate and a low-temperature medium therein to form a neutralizing medium; the first pipeline 11 is connected with the box body 1 and used for inputting a low-temperature medium into the box body 1; the second pipe 12 is connected with the tank 1 and is used for conveying steam condensate to the tank 1; the third pipeline 13 is connected to the bottom of the box body 1 and used for discharging sewage; the first load 2 is connected with the box body 1 and is used for acquiring the neutralizing medium from the box body 1 for utilization.
According to an embodiment of the present invention, the box 1 comprises a manhole 14, a level gauge 15, and an overflow pipe 16.
According to an embodiment of the present invention, the first pipe 11 includes a tank water supply control valve.
According to an embodiment of the present invention, the second pipe 12 comprises a condensate control valve, a steam condensate distributor 121.
According to an embodiment of the present invention, the third pipe 13 comprises a blow-off valve.
According to the utility model discloses an embodiment, first load 2 includes, utilizes the first valve 21, first pump 22, the heat transfer system 23 of pipeline series setting, the pipeline both ends respectively with box 1 connects.
According to one embodiment of the present invention, further comprises a second load,
the second load is connected with the box body 1 and is used for acquiring heat energy from the box body 1 for utilization.
According to an embodiment of the present invention, the second load includes a fourth pipe 31, a heat exchange pipe 32, a second valve 33, a second pump 34, and a domestic hot water pipe 35.
According to an embodiment of the present invention, the fourth pipe 31 includes a hot water control valve.
Through pouring into low temperature medium and unqualified steam condensate into the box, form neutralization medium, provide the heat source for first load, second load, the heat of neutralization medium is utilized and is made the temperature reduction this moment, and harmful ion reduces by concentration after the low temperature medium dilutes in the steam condensate, and conveying equipment and pipeline can not corroded, has both utilized the heat in first load, second load department, has reduced temperature and ion concentration when discharging again, has protected the environment.
Drawings
FIG. 1 is a schematic view of a heat recovery system;
FIG. 2 is a schematic diagram of a system including a first load;
FIG. 3 is a schematic diagram of a system including a second load;
FIG. 4 is a schematic view of a heat recovery system;
fig. 5 is a schematic view of a heat recovery system.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements and techniques of the present invention so that advantages and features of the present invention may be more readily understood when implemented in a suitable environment. The following description is an embodiment of the present invention, and other embodiments related to the claims that are not explicitly described also fall within the scope of the claims.
Fig. 1 shows a schematic view of a heat recovery system.
As shown in fig. 1, a heat recovery system includes a tank 1, a first pipe 11, a second pipe 12, a third pipe 13 and a first load 2, where the tank 1 is in a cavity structure and is used for mixing a vapor condensate and a low-temperature medium therein to form a neutralization medium, the first pipe 11 is connected to the tank 1 and is used for inputting the low-temperature medium into the tank 1, the second pipe 12 is connected to the tank 1 and is used for delivering the vapor condensate to the tank 1, the third pipe 13 is connected to the bottom of the tank 1 and is used for draining, and the first load 2 is connected to the tank 1 and is used for obtaining the neutralization medium from the tank 1 and utilizing the neutralization medium.
The utility model discloses in, box 1 can adopt one of them or the combination more than two kinds such as square, spherical, column, for example, adopt cylindrically, and is bulky, and the storage water yield is many, can prevent local overheat, and it is even to make to bear water pressure all around, and under equal water level height, the tank wall atress is minimum.
The first pipe 11 may be made of one or more of metal, plastic-clad metal, plastic pipe, etc., for example, PE pipe, which is non-toxic, light, pressure-resistant, corrosion-resistant, and free from scale formation.
The second pipe 12 may be made of one or a combination of two or more of copper pipe, stainless steel pipe, etc., for example, 304 stainless steel with a diameter of 4m, a height of 2m, and a wall thickness of 6mm, which has excellent corrosion resistance and intercrystalline corrosion resistance.
The third pipe 13 may be made of one or more of metal, plastic composite metal, plastic pipe, reinforced concrete pipe, etc., for example, a nodular cast iron pipe is used, which has excellent corrosion resistance, large runoff and high cost performance.
The steam condensate is also called unqualified steam condensate, the temperature is 120-160 ℃, and the ion concentration is high and the corrosivity is strong.
By cryogenic medium is meant a medium at a temperature lower than the steam condensate, e.g. domestic process water.
The neutralizing medium is a medium formed by mixing the steam condensate and the low-temperature medium, and is obtained by injecting the steam condensate and the low-temperature medium into the box body 1 and mixing, and the temperature range is about 70-160 ℃.
When the system shown in fig. 1 is operated, a certain amount of low-temperature medium is injected into the box body 1 through the first pipeline 11, for example, the injection amount is about half of the volume of the box body 1, unqualified steam condensate is injected into the box body 1 through the second pipeline 12, the low-temperature medium and the unqualified steam condensate are mixed to form a neutralizing medium, and the temperature and the concentration of the neutralizing medium are controlled by controlling the proportion of the injected steam condensate to the low-temperature medium, so that the temperature and the concentration of the neutralizing medium are reduced relative to the unqualified steam condensate.
The neutralizing medium is supplied to the first load 2, a heat source is provided for the first load 2, when the temperature of the neutralizing medium in the box body 1 is reduced to a certain degree, and the efficiency of the heat source provided for the first load 2 is reduced, the neutralizing medium is discharged out of the box body 1 through the third pipeline 13, at the moment, the heat of the neutralizing medium is utilized, so that the temperature is reduced, the concentration of harmful ions in the steam condensate is reduced after being diluted by the low-temperature medium, the conveying equipment and the pipeline cannot be corroded, the heat is utilized at the first load 2, the temperature and the ion concentration are reduced during discharging, and the environment is protected.
Fig. 2 shows a schematic diagram of a system comprising a first load.
As shown in fig. 2, the first load 2 includes a first valve 21, a first pump 22, a heat exchange system 23, and the first valve 21, the first pump 22, and the heat exchange system 23 are serially connected by pipes, two ends of the pipes are respectively connected to the box 1, and the heat exchange system 23 is used to provide a heat source, for example, a heat source for each device and a heating system in a living and office area of a company.
The utility model discloses in, one of them such as ball valve, stop valve, gate valve, check valve, plug valve, plunger valve can be adopted to first valve 21, for example, adopt bellows seal stop valve, and the leakage is avoided in the double seal design, and is sturdy and durable for medium flow size in the control duct.
The utility model discloses in, one of them such as brush direct current hot water circulating pump, brushless direct current hot water circulating pump (motor formula), brushless direct current hot water circulating pump (magnetic drive isolated) can be adopted to first pump 22, for example, adopt brushless direct current hot water circulating pump (magnetic drive isolated), longe-lived, the noise is low, and is waterproof completely for carry heat transfer system 23 through the pipeline after with the medium pressurization of neutralization.
When the first load operates, the first valve 21 is opened, the first pump 22 supplies the neutralizing medium in the box body 1 to the heat exchange system 23 after pressurization, a heat source is provided for the heat exchange system 23, the temperature of the neutralizing medium is reduced after the neutralizing medium is utilized by the heat exchange system 23, the neutralizing medium returns to the box body 1 to be heated again through a pipeline for cyclic utilization, so that the temperature of the steam condensate medium in the box body 1 is continuously reduced, and the heat is effectively recovered.
Fig. 3 shows a schematic diagram of a system comprising a second load.
As shown in fig. 3, the second load comprises a fourth pipe 31, a heat exchange pipe 32, a second valve 33, a second pump 34, and a domestic hot water pipe 35, wherein an outlet of the fourth pipe 31 is connected with an inlet of the heat exchange pipe 32, for conveying a low-temperature medium into the heat exchange pipe 32, the fourth pipe 31 is arranged at the top outside the tank 1, the heat exchange pipe 32 is arranged in the tank 1 for conveying the low-temperature medium, and the low-temperature medium is heated by the neutralization medium during the conveying process, the outlet of the heat exchange pipe 32 is connected with a second pump 34, and a second valve 33 is arranged between the outlet of the heat exchange pipe 32 and a second pump 34, the second valve 33 and the second pump 34 are both arranged at the bottom outside the box body 1, the second pump 34 is used for pressurizing the heated low-temperature medium, and the domestic hot water pipe 35 is connected with the outlet of the second pump 34 and used for providing the daily-used heated low-temperature medium for the domestic office area.
The utility model discloses in, one of them such as cast iron pipe, steel pipe, copper pipe, PP-R pipe can be adopted to the heat exchange tube 32, for example, adopts nonrust steel pipe, and stable performance, intensity are high, coefficient of thermal expansion is low, and the corrosion resistance is strong for heat intraductal low temperature medium through the neutralization medium.
The utility model discloses in, one of them such as ball valve, stop valve, gate valve, check valve, plug valve, plunger valve can be adopted to second valve 33, for example, adopt bellows seal stop valve, and the leakage is avoided in the double seal design, and is sturdy and durable for medium flow size in the control duct.
The utility model discloses in, one of them such as brush direct current hot water circulating pump, brushless direct current hot water circulating pump (motor formula), brushless direct current hot water circulating pump (magnetic drive isolated) can be adopted to second pump 34, for example, adopt brushless direct current hot water circulating pump (magnetic drive isolated), longe-lived, the noise is low, and is waterproof completely for carry heat transfer system 23 through the pipeline after with the medium pressurization of neutralization.
When the second load is in operation, a low-temperature medium is introduced through the fourth pipeline 31 and injected into the heat exchange pipe 32, the low-temperature medium absorbs heat of a neutralization medium in the box body 1 in the flowing process of the heat exchange pipe 32, when the low-temperature medium absorbs heat and the temperature reaches a certain range, the second valve 33 is opened, and the second pump 34 pressurizes the heated low-temperature medium to the domestic hot water pipe 35 for daily use in the domestic and office areas.
Fig. 4 shows a schematic view of a heat recovery system.
As shown in figure 4, a heat recovery system comprises a manhole 14, a liquid level meter 15 and an overflow pipe 16, wherein the manhole 14 is positioned at the top of a box body 1 and is used for checking and maintaining internal components of the box body 1, the liquid level meter 15 is connected with the box body 1 and is used for displaying the height of a medium in the box body 1, one end of the overflow pipe 16 is connected with the side surface of the box body 1, and the other end of the overflow pipe is connected with a third pipeline 13 and is used for discharging the neutralizing medium out through the overflow pipe 16 and converging the neutralizing medium into the third pipeline 13 when the liquid level of the neutralizing medium in the box body 1 is higher than an overflow.
The utility model discloses in, level gauge 15 can adopt magnetism to turn over one of them such as board level gauge, magnetic ball level gauge, glass plate formula level gauge, input level gauge, for example, adopts magnetism to turn over board level gauge, and is high temperature resistant, corrosion-resistant for show medium liquid level in box 1.
When the system shown in fig. 4 is in operation, the manhole exhaust port is in a normally open state and is used for discharging redundant gas in the tank body 1, the floater in the main pipeline of the liquid level meter 15 also goes up and down along with the rise and fall of the medium liquid level in the tank body 1, the magnetic steel in the floater is transmitted to the field indicator through magnetic coupling, so that the indication of the medium liquid level is realized, when the equipment is shut down, the manhole 14 is opened, and maintenance personnel enters the tank body 1 through the manhole 14 to inspect and maintain internal components of the tank body 1.
Fig. 5 shows a schematic view of a heat recovery system.
As shown in fig. 5, a heat recovery system includes a steam condensate distributor 121, the steam condensate distributor 121 is connected to the outlet of the second pipe 12, is arranged inside the box body (1), and is in a cross shape, so that the steam condensate is uniformly discharged in the box body 1 and is uniformly mixed with the low-temperature medium in the box body 1.
When the system shown in fig. 5 is in operation, the steam condensate entering through the fourth pipe 31 flows through the steam condensate distributor 121, so that the steam condensate is uniformly discharged from the tank 1 under the action of the steam condensate distributor 121 and is uniformly mixed with the low-temperature medium in the tank 1.
Through pouring into low temperature medium and unqualified steam condensate into the box, form neutralization medium, provide the heat source for first load, second load, the heat of neutralization medium is utilized and is made the temperature reduction this moment, and harmful ion reduces by concentration after the low temperature medium dilutes in the steam condensate, and conveying equipment and pipeline can not corroded, has both utilized the heat in first load, second load department, has reduced temperature and ion concentration when discharging again, has protected the environment.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Claims (6)
1. A heat recovery system is characterized by comprising a box body (1), a first pipeline (11), a second pipeline (12), a third pipeline (13) and a first load (2),
the box body (1) is of a cavity structure and is used for mixing the steam condensate and the low-temperature medium to form a neutralizing medium;
the first pipeline (11) is connected with the box body (1) and is used for inputting a low-temperature medium into the box body (1);
the second pipe (12) is connected with the box body (1) and is used for conveying steam condensate to the box body (1);
the third pipeline (13) is connected to the bottom of the box body (1) and is used for discharging sewage;
the first load (2) is connected with the box body (1) and is used for acquiring neutralizing media from the box body (1) for utilization.
2. The heat recovery system according to claim 1, wherein the first load (2) comprises a pipeline with two ends respectively connected with the box body (1), and a first valve (21), a first pump (22) and a heat exchange system (23) which are arranged in series on the pipeline,
the first valve (21) is used for controlling the flow of the medium in the pipeline;
the first pump (22) is used for conveying the neutralizing medium in the box body (1) to the heat exchange system (23) through a pipeline after being pressurized;
the heat exchange system (23) is used for providing the heat of the neutralization medium to the outside through heat exchange.
3. A heat recovery system according to claim 1, further comprising a second load comprising a fourth conduit (31), a heat exchange pipe (32), a second valve (33), a second pump (34), a domestic hot water pipe (35),
the outlet of the fourth pipeline (31) is connected with the inlet of the heat exchange pipe (32);
the fourth pipeline (31) is arranged at the top outside the box body (1);
the heat exchange pipe (32) is arranged in the box body (1);
the outlet of the heat exchange pipe (32) is connected with a second pump (34);
the second pump (34) is arranged at the bottom outside the box body (1), and a second valve (33) is arranged between the outlet of the heat exchange pipe (32) and the second pump (34);
the second pump (34) is arranged at the bottom of the box body (1), and the domestic hot water pipe (35) is connected to the outlet of the second pump (34).
4. Heat recovery system according to claim 1, characterised in that the tank (1) comprises a manhole (14), a level gauge (15), an overflow pipe (16),
the manhole (14) is positioned at the top of the box body (1) and is used for inspecting and maintaining internal parts of the box body (1);
the liquid level meter (15) is connected with the tank body (1) and is used for displaying the water level height in the tank body (1) on site;
one end of the overflow pipe (16) is connected with the side surface of the box body (1), and the other end of the overflow pipe is connected with the third pipeline (13) and used for discharging the neutralization medium out through the overflow pipe (16) and converging the neutralization medium into the third pipeline (13) when the liquid level of the neutralization medium in the box body (1) is higher than an overflow port.
5. The heat recovery system of claim 1, wherein the second conduit (12) comprises a vapor condensate distributor (122),
the steam condensate distributor (122) is connected to the outlet of the second pipeline, is in a cross shape inside the box body (1), and is used for enabling the steam condensate to be uniformly distributed in the box body (1).
6. The heat recovery system of claim 3,
a water replenishing control valve is arranged on the first pipeline (11),
the water replenishing control valve is used for controlling the flow of the medium in the first pipeline;
a condensate control valve is arranged on the second pipeline (12),
the condensate control valve is connected to the second production and living water pipeline, is positioned outside the box body (1) and is used for controlling the flow and the size of steam condensate;
a drain valve is arranged on the third pipeline (13),
the blowdown valve is used for controlling the flow of the medium discharged from the third pipeline;
the fourth pipe (31) includes a hot water control valve,
and the hot water control valve is used for controlling the flow of the medium in the fourth pipeline (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021133511.8U CN212778763U (en) | 2020-06-17 | 2020-06-17 | Heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021133511.8U CN212778763U (en) | 2020-06-17 | 2020-06-17 | Heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212778763U true CN212778763U (en) | 2021-03-23 |
Family
ID=75073616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021133511.8U Active CN212778763U (en) | 2020-06-17 | 2020-06-17 | Heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212778763U (en) |
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2020
- 2020-06-17 CN CN202021133511.8U patent/CN212778763U/en active Active
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