CN210638535U

CN210638535U - High-temperature industrial waste residue waste heat power generation system

Info

Publication number: CN210638535U
Application number: CN201921523208.6U
Authority: CN
Inventors: 纪烈勇; 黄小勇; 姚旦; 臧全忠; 金苏清; 高燕飞; 张俊彤
Original assignee: SHANGHAI TRIUMPH ENERGY CONSERVATION ENGINEERING CO LTD
Current assignee: SHANGHAI TRIUMPH ENERGY CONSERVATION ENGINEERING CO LTD
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-29
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a high temperature industrial waste residue waste heat power generation system, include: the boiler, waste residue heat reclamation device, water tank and generator, be connected with the steam pipe on the steam outlet of boiler and be connected with the generator through the steam pipe, the row of boiler expects the pipe and is connected with waste residue heat reclamation device, be connected with the steam transmission pipe on the waste residue heat reclamation device, the end of steam transmission pipe adopts three-way valve and steam pipe connection, still be connected with pneumatic ball valve on the steam transmission pipe, forced draught blower and temperature sensor, be connected with the admission pipe on the waste residue heat reclamation device, the steam inlet pipe is terminal to be connected with the steam outlet of generator, still be connected with the return steam pipe on the pneumatic ball valve, the return steam pipe end adopts three-way valve and admission union coupling. The utility model directly carries out secondary heating on the waste gas output by the steam turbine, reduces the working procedures and reduces the energy waste; the branch pipes arranged in parallel exchange heat with the waste residues, so that the temperature and pressure of the steam inside are increased, and the heating speed and the uniformity are improved.

Description

High-temperature industrial waste residue waste heat power generation system

Technical Field

The utility model relates to a waste heat power generation technical field, more specifically are a high temperature industrial waste residue waste heat power generation system.

Background

Waste heat power generation is a technology for converting redundant heat energy in the production process into electric energy. The waste heat power generation not only saves energy, but also is beneficial to environmental protection. An important device for cogeneration is a waste heat boiler. It uses the heat or combustible substances in working media such as waste gas and waste liquid as heat source to produce steam for power generation. Because the working medium temperature is not high, the boiler has large volume and large metal consumption. The waste heat for power generation is mainly: high-temperature flue gas waste heat, chemical reaction waste heat, waste gas and waste liquid waste heat, low-temperature waste heat (lower than 200 ℃) and the like. In addition, the power generation is carried out by using the surplus pressure difference; for example, the blast furnace gas has a high pressure at the top of the furnace, and can be sent to a gas user for use after being subjected to power generation by the expansion turbine generator.

At present, the existing waste residue waste heat power generation system has the following problems: (1) the steam turbine of the generator applies work, and the exhaust steam which has applied work enters the condensed steam to be condensed into water and then enters the boiler, so that the working procedure is complicated and certain energy waste is caused; (2) the waste residue heat recovery device is internally heated insufficiently, so that certain energy waste is caused when heat exchange is carried out. For this reason, a new scheme needs to be designed to give improvements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature industrial waste residue waste heat power generation system has solved the problem that proposes in the background art, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature industrial waste residue waste heat power generation system comprises: boiler, waste residue heat reclamation device, water tank and generator, be connected with the steam pipe on the steam outlet of boiler and be connected with the generator through the steam pipe, the row of boiler expects the pipe and is connected with waste residue heat reclamation device, be connected with the steam transmission pipe on the waste residue heat reclamation device, the end of steam transmission pipe adopts the three-way valve to be connected with the steam pipe, still be connected with pneumatic ball valve, forced draught blower and temperature sensor on the steam transmission pipe, be connected with the admission pipe on the waste residue heat reclamation device, the steam outlet connection of admission pipe end and generator, still be connected with the return steam pipe on the pneumatic ball valve, the return steam pipe end adopts the three-way valve to be connected with the admission pipe.

As a preferred embodiment of the utility model, the inside symmetry of waste residue heat reclamation device is provided with two heat exchange mechanism, heat exchange mechanism includes the person in charge that two symmetries set up, two be responsible for between the parallel arrangement have a plurality of branch pipe, the branch pipe with be responsible for welded connection and inside intercommunication, it has the connecting pipe to still weld in the person in charge, the relief valve is installed to waste residue heat reclamation device bottom.

As a preferred embodiment of the utility model, the inside steam admission groove and the play steam groove of being provided with of waste residue heat reclamation device, the steam admission groove communicates with the connecting pipe respectively with play steam groove, the steam admission groove outer joint has the admission to connect, the admission connects and the admission union coupling, it is connected with out the steam union to go out the steam groove outer joint, go out the steam union and be connected with defeated steam pipe.

As an optimized embodiment of the utility model, the person in charge surface symmetry welds there is the dead lever, the dead lever end adopts bolt and waste residue heat reclamation device inner wall fixed connection.

As a preferred embodiment of the present invention, the top of the water tank is connected with a water injection pipe, the side wall of the water tank is connected with a water pipe and is connected with the boiler through the water pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) in the system, the steam turbine of the generator directly conveys waste gas into the waste residue heat recovery device for secondary heating after outputting steam, and the waste gas is circulated to the steam pipe to convey to the generator after the temperature is heated to a set temperature, so that the process is reduced, and the energy waste is reduced.

(2) This waste residue heat reclamation device has set up two sets of heat exchange mechanisms in inside, comes to carry out the heat exchange with the waste residue through the branch pipe of parallelly connected setting, increases inside steam temperature and pressure, improves the speed of being heated and the degree of consistency.

Drawings

FIG. 1 is a system diagram of a high-temperature industrial waste residue waste heat power generation system of the present invention;

FIG. 2 is an internal structure view of the waste residue heat recovery apparatus of the present invention;

fig. 3 is a structural view of the heat exchange mechanism of the present invention.

In the figure, a boiler 1; a waste residue heat recovery device 2; a generator 3; a water tank 4; a temperature sensor 5; a pneumatic ball valve 6; a blower 7; a steam pipe 8; a steam delivery pipe 9; a water injection pipe 10; a return pipe 11; a steam inlet pipe 12; a water delivery pipe 13; a discharge valve 14; a heat exchange mechanism 15; a steam inlet tank 16; a steam inlet joint 17; a steam outlet joint 18; a steam outlet groove 19; a main tube 20; a branch pipe 21; a fixing rod 22; a connecting pipe 23; a three-way valve 24.

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. 1-3, the present invention provides a technical solution: a high-temperature industrial waste residue waste heat power generation system comprises: the waste residue heat recovery device comprises a boiler 1, a waste residue heat recovery device 2, a water tank 4 and a generator 3, wherein a steam pipe 8 is connected to a steam outlet of the boiler 1 and is connected with the generator 3 through the steam pipe 8, a discharging pipe of the boiler 1 is connected with the waste residue heat recovery device 2, a steam conveying pipe is connected to the waste residue heat recovery device 2, the tail end of the steam conveying pipe is connected with the steam pipe 8 through a three-way valve 24, a pneumatic ball valve 6, a blower 7 and a temperature sensor 5 are further connected to the steam conveying pipe, a steam inlet pipe 12 is connected to the waste residue heat recovery device 2, the tail end of the steam inlet pipe 12 is connected with a steam outlet of the generator 3, a steam return pipe 11 is further connected to the pneumatic ball valve 6, the tail end of the steam return pipe 11 is connected with the steam inlet pipe 12 through the three-way valve 24, the boiler conveys steam to a steam turbine of the generator, the working procedures are reduced, and the energy waste is reduced.

In a further improvement, as shown in fig. 3: the inside symmetry of waste residue heat reclamation device 2 is provided with two heat exchange mechanisms 15, and heat exchange mechanism 15 includes the person in charge 20 that two symmetries set up, and parallel arrangement has a plurality of branch pipe 21 between two person in charge 20, and branch pipe 21 and the person in charge 20 welded connection and inside intercommunication still weld on the person in charge 20, and blow-off valve 14 is installed to waste residue heat reclamation device 2 bottom, and the branch pipe 21 of parallel arrangement can increase the even degree of being heated.

In a further improvement, as shown in fig. 3: the waste residue heat recovery device 2 is internally provided with a steam inlet groove 16 and a steam outlet groove 19, the steam inlet groove 16 and the steam outlet groove 19 are respectively communicated with a connecting pipe 23, the steam inlet groove 16 is externally connected with a steam inlet joint 17, the steam inlet joint 17 is connected with a steam inlet pipe 12, the steam outlet groove 19 is externally connected with a steam outlet joint 18, the steam outlet joint 18 is connected with a steam conveying pipe, the connecting pipe 23 at the upper end is connected with the steam inlet groove 16, and the connecting pipe 23 at the lower end is connected with the steam outlet groove 19.

In a further improvement, as shown in fig. 3: be responsible for 20 surface symmetry welds and have dead lever 22, and dead lever 22 end adopts bolt and 2 inner wall fixed connection of waste residue heat recovery unit, and the installation is comparatively convenient with the dismantlement, the later maintenance of being convenient for.

Specifically, the top of the water tank 4 is connected with a water injection pipe 10, the side wall of the water tank 4 is connected with a water delivery pipe 13 and is connected with the boiler 1 through the water delivery pipe 13, and the water tank 4 is used for storing water and delivering water to the boiler 1.

The utility model discloses when using, carry the steam turbine of generator 3 to do work with steam after the 1 heating of boiler, do work back waste gas and carry to waste residue heat recovery unit 2 in through admission pipe 12, and enter into heat exchange mechanism 15 through admission groove 16, the waste residue enters into waste residue recovery unit 2 inside, and carry out the heat exchange with heat exchange mechanism 15, carry out the secondary heating to the steam of heat exchange mechanism 15 inside, enter into steam transmission pipe 9 after the heating, come to carry out temperature detection to steam through temperature sensor 5 after getting into steam transmission pipe 9, carry to admission pipe 12 and reentrant waste residue heat recovery unit 2 when the temperature does not reach the settlement temperature and heat, start pneumatic ball valve 6 after the temperature reaches the settlement temperature, carry steam to steam pipe 8 and carry to generator 3 through steam pipe 8, energy utilization rate is improved.

The product protected by the scheme is put into practical production and application at present, and particularly has certain success in the field of waste heat power generation, so that the technical scheme of the product is obviously proved to be beneficial, meets social requirements, and is suitable for batch production and popularization and use.

And (4) supplementary notes: the model of the temperature sensor 5 of the utility model is WRM-101; the 6 models of pneumatic ball valve are Q641M.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-temperature industrial waste residue waste heat power generation system comprises: boiler (1), waste residue heat recovery unit (2), water tank (4) and generator (3), its characterized in that: be connected with steam pipe (8) on the steam delivery outlet of boiler (1) and be connected with generator (3) through steam pipe (8), the row of boiler (1) expects the pipe and is connected with waste residue heat recovery unit (2), be connected with steam transmission pipe (9) on waste residue heat recovery unit (2), the end of steam transmission pipe (9) adopts three-way valve (24) to be connected with steam pipe (8), still be connected with pneumatic ball valve (6), forced draught blower (7) and temperature sensor (5) on steam transmission pipe (9), be connected with admission pipe (12) on waste residue heat recovery unit (2), admission pipe (12) end is connected with the steam outlet of generator (3), still be connected with return pipe (11) on pneumatic ball valve (6), return pipe (11) end adoption three-way valve (24) is connected with admission pipe (12).

2. The high-temperature industrial waste residue waste heat power generation system of claim 1, wherein: the inside symmetry of waste residue heat reclamation device (2) is provided with two heat exchange mechanism (15), heat exchange mechanism (15) are responsible for (20) including two symmetry settings, two it has a plurality of branch pipe (21) to be responsible for parallel arrangement between (20), branch pipe (21) and being responsible for (20) welded connection and inside intercommunication, it has connecting pipe (23) to still weld on (20) to be responsible for, relief valve (14) are installed to waste residue heat reclamation device (2) bottom.

3. The high-temperature industrial waste residue waste heat power generation system of claim 2, wherein: waste residue heat reclamation device (2) inside is provided with steam inlet groove (16) and steam outlet groove (19), steam inlet groove (16) and steam outlet groove (19) communicate with connecting pipe (23) respectively, steam inlet groove (16) outer joint has steam admission joint (17), steam admission joint (17) are connected with steam inlet pipe (12), steam outlet groove (19) outer joint has steam outlet joint (18), steam outlet joint (18) are connected with steam transmission pipe (9).

4. The high-temperature industrial waste residue waste heat power generation system of claim 2, wherein: the surface of the main pipe (20) is symmetrically welded with fixing rods (22), and the tail ends of the fixing rods (22) are fixedly connected with the inner wall of the waste residue heat recovery device (2) through bolts.

5. The high-temperature industrial waste residue waste heat power generation system of claim 1, wherein: the boiler is characterized in that a water injection pipe (10) is connected to the top of the water tank (4), and a water delivery pipe (13) is connected to the side wall of the water tank (4) and is connected with the boiler (1) through the water delivery pipe (13).