Multi-path steam gathering and supplying structure

Abstract

The multi-path steam gathering and supplying structure comprises a steam main pipeline, a conduction oil waste heat steam supply unit, a waste gas incineration waste heat steam supply unit and a steam boiler unit, the conduction oil waste heat steam supply unit is connected with the steam main pipeline, the waste gas incineration waste heat steam supply unit is connected with the steam main pipeline, and the steam boiler unit is connected with the conduction oil waste heat steam supply unit. The conduction oil waste heat steam supply unit and the waste gas incineration waste heat steam supply unit can use waste heat of a conduction oil boiler and a waste gas incinerator to generate steam and convey the steam into a steam main pipeline, the energy utilization rate is increased, the steam boiler unit is connected with the steam main pipeline, and the steam main pipeline is provided with a constant pressure assembly. The constant-pressure assembly can balance the steam pressure in the steam main pipeline, and the steam pressure is prevented from being suddenly high and suddenly low, so that a process device needing steam supply can work normally, and the use cost of the steam boiler unit is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of steam supply, concretely, the utility model relates to a multi-path steam converging gas supply structure. BACKGROUND

[0002] In actual production of chemical enterprises, there are multiple heat-conducting oil boilers and waste gas incinerators, and the waste heat of the heat-conducting oil boilers and waste gas incinerators is wasted, which greatly increases the production cost. Generally, a waste heat steam boiler is installed to further utilize the waste heat, and then steam is converged into the main pipeline of the steam boiler through a steam pipeline. However, since the heat-conducting oil boilers and waste gas incinerators are dispersed in different areas of the production site, the steam pressure generated is different, the steam pressure converged into the main pipeline is high or low, and the use effect of the process device needing steam supply is affected.

[0003] To solve the above problems, patent document 114001580B discloses a waste heat recovery system connected to the waste liquid and waste gas collection pipe of the electroplating device. The circulating working medium circulates in the electroplating liquid condenser, waste liquid evaporator, waste gas evaporator, gas evaporator, and gas condenser in turn. The present application fully considers the heat demand and waste heat resource situation of the electroplating industry, and integrates the waste heat recovery of electroplating waste liquid and waste gas into one system by combining heat pump technology, forming a waste heat recovery system connected to the waste liquid and waste gas collection pipe of the electroplating device on the waste heat recovery system of the heat pump technology. The present application fully utilizes the waste heat resources of the process itself, meets the heat demand of the electroplated part drying and electroplating tank heating, realizes the resource utilization of waste heat, and saves fuel compared with the traditional scheme of consuming fuel to produce steam for heating. The present application is more energy-saving and emission-reducing, but cannot solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model is to solve the above problems, the purpose is to provide a kind of waste heat can be effectively utilized, can improve energy utilization rate, can balance the steam pressure in steam main pipeline, can guarantee the normal work of the process device needing steam supply, can reduce the use cost of steam boiler Multi-path steam converging gas supply structure, to realize the above purpose, the technical scheme that the utility model adopts is as follows:

[0005] The utility model provides a kind of multi-path steam converging gas supply structure, with such characteristics, including steam main pipeline, heat-conducting oil waste heat steam supply unit, waste gas incineration waste heat steam supply unit and steam boiler unit, heat-conducting oil waste heat steam supply unit is connected with steam main pipeline, waste gas incineration waste heat steam supply unit is connected with steam main pipeline, steam boiler unit is connected with steam main pipeline, and constant pressure component is provided on steam main pipeline.

[0006] The multi-path steam gathering gas supply structure can further have the following features: the heat conduction oil waste heat steam supply unit comprises a first steam pipeline and a heat conduction oil waste heat steam boiler, one end of the first steam pipeline is connected with the heat conduction oil waste heat steam boiler, the other end of the first steam pipeline is connected with the steam main pipeline, a first steam buffer tank and a first check valve are arranged on the first steam pipeline, and the first steam buffer tank is located between the heat conduction oil waste heat steam boiler and the first check valve.

[0007] The multi-path steam gathering gas supply structure can further have the following features: the first steam pipeline is connected with a first pair of atmosphere branch pipes, and a first self-powered safety valve is arranged on the first pair of atmosphere branch pipes.

[0008] The multi-path steam gathering gas supply structure can further have the following features: the waste gas incineration waste heat steam supply unit comprises a second steam pipeline and a waste gas incineration waste heat steam boiler, one end of the second steam pipeline is connected with the waste gas incineration waste heat steam boiler, the other end of the first steam pipeline is connected with the steam main pipeline, a second steam buffer tank and a second check valve are arranged on the second steam pipeline, and the second steam buffer tank is located between the waste gas incineration waste heat steam boiler and the second check valve.

[0009] The multi-path steam gathering gas supply structure can further have the following features: the second steam pipeline is connected with a second pair of atmosphere branch pipes, and a second self-powered safety valve is arranged on the second pair of atmosphere branch pipes.

[0010] The multi-path steam gathering gas supply structure can further have the following features: the steam boiler unit comprises a third steam pipeline and a steam boiler, one end of the third steam pipeline is connected with the steam boiler, and the other end of the third steam pipeline is connected with the steam main pipeline.

[0011] The multi-path steam gathering gas supply structure can further have the following features: the constant pressure assembly comprises a pressure transmitter and an intelligent single-loop control instrument, the pressure transmitter is connected with the steam main pipeline, and the intelligent single-loop control instrument is connected with the pressure transmitter.

[0012] The multi-path steam gathering gas supply structure can further have the following features: the constant pressure assembly further comprises a pressure relief pipeline, one end of the pressure relief pipeline is connected with the steam main pipeline, a pressure relief valve is arranged on the pressure relief pipeline, and the pressure relief valve is connected with the intelligent single-loop control instrument.

[0013] The utility model discloses a multi -way steam converging gas supply structure, including steam main pipeline, heat conducting oil waste heat steam supply unit, waste gas incineration waste heat steam supply unit and steam boiler unit, heat conducting oil waste heat steam supply unit is connected with steam main pipeline, waste gas incineration waste heat steam supply unit is connected with steam main pipeline, heat conducting oil waste heat steam supply unit and waste gas incineration waste heat steam supply unit can utilize the waste heat of heat conducting oil boiler and waste gas incineration furnace respectively, produce steam and transport to steam main pipeline, improve energy utilization, steam boiler unit is connected with steam main pipeline, and constant pressure assembly is equipped on steam main pipeline, and constant pressure assembly can balance the steam pressure in steam main pipeline, avoid steam pressure high and low, thereby guarantee the process device of needing steam supply can work normally, reduce the use cost of steam boiler unit.

[0014] Therefore, the multi -way steam converging gas supply structure can utilize waste heat effectively, can improve energy utilization, can balance the steam pressure in steam main pipeline, can guarantee the process device of needing steam supply to work normally, can reduce the use cost of steam boiler. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present specification includes the following drawings, and the shown contents are respectively:

[0016] Figure 1 It is the structure schematic drawing of multi -way steam converging gas supply structure in the embodiment of the utility model.

[0017] Marked in the drawing as: steam main pipeline -10, heat conducting oil waste heat steam supply unit -20, first steam pipeline -21, heat conducting oil waste heat steam boiler -22, first steam buffer tank -23, first check valve -24, first pair of atmospheric branch pipe -25, first self -force type safety valve -26, waste gas incineration waste heat steam supply unit -30, second steam pipeline -31, waste gas incineration waste heat steam boiler -32, second steam buffer tank -33, second check valve -34, second pair of atmospheric branch pipe -35, second self -force type safety valve -36, steam boiler unit -40, third steam pipeline -41, steam boiler -42, constant pressure assembly -50, pressure transmitter -51, intelligent single loop control instrument -52, pressure relief pipeline -53, pressure relief valve -54. DETAILED DESCRIPTION

[0018] The specific embodiments of the present application are further explained in detail by the description of the embodiments with reference to the accompanying drawings, the purpose being to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present application, and to facilitate its implementation.

[0019] Figure 1 It is the structure schematic drawing of multi -way steam converging gas supply structure in the embodiment of the utility model.

[0020] As Figure 1 shown, the multi-path steam gathering gas supply structure includes a steam main pipeline 10, a heat conducting oil waste heat steam supply unit 20, a waste gas incineration waste heat steam supply unit 30 and a steam boiler unit 40. The heat conducting oil waste heat steam supply unit 20 is connected with the steam main pipeline 10, the waste gas incineration waste heat steam supply unit 30 is connected with the steam main pipeline 10, the heat conducting oil waste heat steam supply unit 20 and the waste gas incineration waste heat steam supply unit 30 can respectively utilize the waste heat of the heat conducting oil boiler and the waste gas incineration furnace to generate steam and transport the steam into the steam main pipeline 10, the waste heat of the heat conducting oil boiler and the waste gas incineration furnace is effectively utilized, the energy utilization rate is improved, the steam boiler unit 40 is connected with the steam main pipeline 10, the steam main pipeline 10 is provided with a constant pressure assembly 50, the constant pressure assembly 50 can balance the steam pressure in the steam main pipeline 10, the steam pressure is prevented from being high and low, thereby ensuring that the process device needing steam supply can normally work, and the use cost of the steam boiler unit 40 is reduced.

[0021] The heat conducting oil waste heat steam supply unit 20 includes a first steam pipeline 21 and a heat conducting oil waste heat steam boiler 22, one end of the first steam pipeline 21 is connected with the heat conducting oil waste heat steam boiler 22, the other end of the first steam pipeline 21 is connected with the steam main pipeline 10, so that the heat conducting oil waste heat steam boiler 22 can utilize the waste heat of the heat conducting oil boiler to generate steam and transport the steam into the steam main pipeline 10 through the first steam pipeline 21.

[0022] The first steam pipeline 21 is provided with a first steam buffer tank 23 and a first check valve 24, the first steam buffer tank 23 is located between the heat conducting oil waste heat steam boiler 22 and the first check valve 24, the first steam buffer tank 23 can buffer the steam generated by the heat conducting oil waste heat steam boiler 22, and is beneficial to balance the steam pressure in the first steam pipeline 21; the first check valve 24 is arranged between the first steam buffer tank 23 and the steam main pipeline 10, can prevent the steam in the steam main pipeline 10 from flowing back to the first steam pipeline 21, and avoids mutual gas interconnection.

[0023] The first steam pipeline 21 is connected with a first pair of atmosphere branch pipes 25, one end of the first pair of atmosphere branch pipes 25 is connected with the first steam pipeline 21 and is located between the first steam buffer tank 23 and the first check valve 24, the first pair of atmosphere branch pipes 25 is provided with a first self-powered safety valve 26, the first self-powered safety valve 26 can automatically open when the pressure in the first steam pipeline 21 is too large, discharges part of the steam in the first steam pipeline 21 into the atmosphere, thereby further balancing the steam pressure in the first steam pipeline 21.

[0024] The waste gas incineration waste heat steam supply unit 30 comprises a second steam pipeline 31 and a waste gas incineration waste heat steam boiler 32, one end of the second steam pipeline 31 is connected with the waste gas incineration waste heat steam boiler 32, and the other end of the second steam pipeline 31 is connected with the steam main pipeline 10, so that the waste gas incineration waste heat steam boiler 32 can generate steam by using the waste heat of the waste gas incinerator and deliver the steam into the steam main pipeline 10 through the second steam pipeline 31.

[0025] The second steam pipeline 31 is provided with a second steam buffer tank 33 and a second check valve 34, the second steam buffer tank 33 is located between the waste gas incineration waste heat steam boiler 32 and the second check valve 34, and the second steam buffer tank 33 can buffer the steam generated by the waste gas incineration waste heat steam boiler 32, which is conducive to balancing the steam pressure in the second steam pipeline 31; the second check valve 34 is arranged between the second steam buffer tank 33 and the steam main pipeline 10, and can prevent the steam in the steam main pipeline 10 from flowing back to the second steam pipeline 31, thereby avoiding mutual gas mixing.

[0026] The second steam pipeline 31 is connected with a second pair of atmospheric branch pipes 35, one end of the second pair of atmospheric branch pipes 35 is connected with the second steam pipeline 31 and is located between the second steam buffer tank 33 and the second check valve 34, and the second pair of atmospheric branch pipes 35 is provided with a second self-operated safety valve 36, the second self-operated safety valve 36 can automatically open when the pressure in the second steam pipeline 31 is too large, so as to discharge part of the steam in the second steam pipeline 31 to the atmosphere, thereby further balancing the steam pressure in the second steam pipeline 31.

[0027] The steam boiler unit 40 comprises a third steam pipeline 41 and a steam boiler 42, one end of the third steam pipeline 41 is connected with the steam boiler 42, and the other end of the third steam pipeline 41 is connected with the steam main pipeline 42, the steam boiler 42 serves as the main steam source of the process device requiring steam supply, and can deliver the generated steam to the steam main pipeline 10 through the third steam pipeline 41.

[0028] The constant pressure assembly 50 comprises a pressure transmitter 51 and an intelligent single-loop control instrument 52, the pressure transmitter 51 is connected with the steam main pipeline 10, the pressure transmitter 51 can detect the steam pressure in the steam main pipeline 10 and convert the steam pressure into an electric signal to transmit to the intelligent single-loop control instrument 52, and the constant pressure assembly 50 further comprises a pressure relief pipeline 53, one end of the pressure relief pipeline 53 is connected with the steam main pipeline 10, the other end of the pressure relief pipeline 53 is communicated with the atmosphere, the pressure relief pipeline 53 is provided with a pressure relief valve 54, the pressure relief valve 54 is connected with the intelligent single-loop control instrument 52, and the intelligent single-loop control instrument 52 can control the opening or closing of the pressure relief valve 54.

[0029] When the steam pressure in the steam main pipeline 10 detected by the pressure transmitter 51 exceeds the set pressure of the intelligent single-loop controller 52, the intelligent single-loop controller 52 controls the pressure relief valve 54 to open, and part of the steam in the steam main pipeline 10 is discharged into the atmosphere, so as to stabilize the steam pressure in the steam main pipeline 10; when the steam pressure in the steam main pipeline 10 detected by the pressure transmitter 51 is lower than the set pressure of the intelligent single-loop controller 52, the pressure relief valve 54 remains closed, avoiding the steam pressure to be high and low, so as to ensure that the process device needing steam supply can work normally, and reduce the use cost of the steam boiler unit 40.

[0030] Effects of the embodiments

[0031] The multi-path steam gathering gas supply structure comprises a steam main pipeline 10, a heat conducting oil waste heat steam supply unit 20, a waste gas incineration waste heat steam supply unit 30 and a steam boiler unit 40, the heat conducting oil waste heat steam supply unit 20 is connected with the steam main pipeline 10, the waste gas incineration waste heat steam supply unit 30 is connected with the steam main pipeline 10, the heat conducting oil waste heat steam supply unit 20 and the waste gas incineration waste heat steam supply unit 30 can utilize the waste heat of the heat conducting oil boiler and the waste gas incineration furnace respectively, generate steam and transport the steam into the steam main pipeline 10, the waste heat of the heat conducting oil boiler and the waste gas incineration furnace is effectively utilized, the energy utilization rate is improved, the steam boiler unit 40 is connected with the steam main pipeline 10, a constant pressure assembly 50 is arranged on the steam main pipeline 10, the constant pressure assembly 50 can balance the steam pressure in the steam main pipeline 10, avoiding the steam pressure to be high and low, so as to ensure that the process device needing steam supply can work normally, and reduce the use cost of the steam boiler unit 40.

[0032] When the steam pressure in the steam main pipeline 10 detected by the pressure transmitter 51 exceeds the set pressure of the intelligent single-loop controller 52, the intelligent single-loop controller 52 controls the pressure relief valve 54 to open, and part of the steam in the steam main pipeline 10 is discharged into the atmosphere, so as to stabilize the steam pressure in the steam main pipeline 10; when the steam pressure in the steam main pipeline 10 detected by the pressure transmitter 51 is lower than the set pressure of the intelligent single-loop controller 52, the pressure relief valve 54 remains closed, avoiding the steam pressure to be high and low, so as to ensure that the process device needing steam supply can work normally, and reduce the use cost of the steam boiler unit 40.

[0033] The above has been described by way of example with reference to the drawings. Obviously, the specific implementation of the present application is not limited to the above-mentioned manner. As long as various non-essential improvements are made by adopting the method concept and technical solution of the present application, or the above-mentioned concept and technical solution of the present application is directly applied to other occasions without improvement, they are all within the protection scope of the present application.

Claims

1. A multi-path steam converging gas supply structure, characterized by, The application relates to a steam supply system, which comprises a steam main pipeline (10), a heat-conducting oil waste heat steam supply unit (20), a waste gas incineration waste heat steam supply unit (30) and a steam boiler unit (40), wherein the heat-conducting oil waste heat steam supply unit (20) is connected with the steam main pipeline (10), the waste gas incineration waste heat steam supply unit (30) is connected with the steam main pipeline (10), the steam boiler unit (40) is connected with the steam main pipeline (10), and a constant pressure assembly (50) is arranged on the steam main pipeline (10).

2. The multi-path vapor aggregation gas supply structure according to claim 1, wherein, The heat-conducting oil waste heat steam supply unit (20) comprises a first steam pipeline (21) and a heat-conducting oil waste heat steam boiler (22), one end of the first steam pipeline (21) is connected with the heat-conducting oil waste heat steam boiler (22), the other end of the first steam pipeline (21) is connected with the steam main pipeline (10), a first steam buffer tank (23) and a first check valve (24) are arranged on the first steam pipeline (21), and the first steam buffer tank (23) is located between the heat-conducting oil waste heat steam boiler (22) and the first check valve (24).

3. The multi-path vapor aggregation gas supply structure according to claim 2, wherein, The first steam pipeline (21) is connected with a first pair of atmosphere branch pipes (25), and a first self-operated safety valve (26) is arranged on the first pair of atmosphere branch pipes (25).

4. The multi-path vapor aggregation gas supply structure according to claim 3, wherein The waste gas incineration waste heat steam supply unit (30) comprises a second steam pipeline (31) and a waste gas incineration waste heat steam boiler (32), one end of the second steam pipeline (31) is connected with the waste gas incineration waste heat steam boiler (32), the other end of the first steam pipeline (21) is connected with the steam main pipeline (10), a second steam buffer tank (33) and a second check valve (34) are arranged on the second steam pipeline (31), and the second steam buffer tank (33) is located between the waste gas incineration waste heat steam boiler (32) and the second check valve (34).

5. The multi-path vapor aggregation gas supply structure of claim 4, wherein, The second steam pipeline (31) is connected with a second pair of atmosphere branch pipes (35), and a second self-operated safety valve (36) is arranged on the second pair of atmosphere branch pipes (35).

6. The multi-path vapor aggregation gas supply structure according to claim 5, wherein The steam boiler unit (40) comprises a third steam pipeline (41) and a steam boiler (42), one end of the third steam pipeline (41) is connected with the steam boiler (42), and the other end of the third steam pipeline (41) is connected with the steam main pipeline (10).

7. The multi-path vapor aggregation gas supply structure of claim 1, wherein, The constant pressure assembly (50) comprises a pressure transmitter (51) and an intelligent single-loop control instrument (52), the pressure transmitter (51) is connected with the steam main pipeline (10), and the intelligent single-loop control instrument (52) is connected with the pressure transmitter (51).

8. The multi-path vapor aggregation gas supply structure of claim 7, wherein, The constant pressure assembly (50) further comprises a pressure relief pipeline (53), one end of the pressure relief pipeline (53) is connected with the steam main pipeline (10), a pressure relief valve (54) is arranged on the pressure relief pipeline (53), and the pressure relief valve (54) is connected with the intelligent single-loop control instrument (52).

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