CN212298570U

CN212298570U - Grading use system for pipeline steam

Info

Publication number: CN212298570U
Application number: CN202022162600.1U
Authority: CN
Inventors: 王淑雅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-01-05
Anticipated expiration: 2030-09-28

Abstract

A grading use system of pipeline steam belongs to the field of bleaching and dyeing machinery and is composed of a steam using unit, a pipeline, a pressurizing tank and a controller, wherein the steam using unit is arranged in a descending manner from high temperature and high pressure to low temperature and low pressure to form a steam using unit A, a steam using unit B, a steam using unit C and a residual steam recovering unit; air supply pipe connection is with the inlet end of vapour unit A, recovery pipeline A connects between the steam extraction end of vapour unit A and the inlet end of vapour unit B, recovery pipeline B connects between the steam extraction end of vapour unit B and the pressure boost jar, the pressure boost end of pressure boost jar connects the air supply pipeline, the pressure boost pipe connection is between pressure boost jar and the inlet end of vapour unit C, recovery pipeline C connects the inlet end of vapour extraction end and the surplus vapour recovery unit of vapour unit C, the condensate water piping connection is between recovery pipeline A, B, C and surplus vapour recovery unit.

Description

Grading use system for pipeline steam

Technical Field

The utility model relates to a using system of pipeline steam, in particular to grading using system of pipeline steam belongs to and bleaches mechanical technical field.

Background

China is a large textile production country and is the first place in the world for many years, however, the printing and dyeing industry has large energy consumption and heavy pollution and becomes a burden of the society. China 'twelve-five' planning is proposed, the textile industry needs to do the work of energy saving, consumption reduction, emission reduction, efficiency improvement and clean production, and the circular economy of green low carbon, ecological environment friendliness and sustainable development is vigorously developed. The core principle of continuous development is reduction, recovery and regeneration, namely, energy consumption is reduced, and energy is recovered and regenerated into new resources. The traditional dyeing and finishing system is heated by steam, the heated steam is generally directly discharged, and energy is wasted. The requirements of each heat unit in dyeing and finishing enterprises on the temperature and the pressure of steam are greatly different. How to carry out differentiation management with the ability unit, carry out differentiation energy supply according to the demand of differentiation, it is an energy-conserving big article to dyeing and finishing enterprise.

Disclosure of Invention

In order to solve the technical problem that the differentiated energy supply is carried out with the energy demand of dyeing and finishing workshop, the utility model provides a hierarchical use system of pipeline steam.

The utility model adopts the technical proposal that: a grading use system of pipeline steam comprises a steam using unit, a pipeline, a pressurizing tank and a controller, wherein the steam using unit is arranged in a descending manner from high temperature and high pressure to low temperature and low pressure to form a steam using unit A, a steam using unit B, a steam using unit C and a residual steam recovery unit; air supply pipe connection is with the inlet end of vapour unit A, recovery pipeline A connects between the steam extraction end of vapour unit A and the inlet end of vapour unit B, recovery pipeline B connects the steam extraction end of vapour unit B and the inlet end of pressure boost jar, the pressure boost end of pressure boost jar connects the air supply pipeline, the pressure boost pipe connection is between the air feed end of pressure boost jar and the inlet end of vapour unit C, recovery pipeline C connects the steam extraction end of vapour unit C and the inlet end of surplus vapour recovery unit, the condensation water piping connection is at recovery pipeline A, recovery pipeline B, between recovery pipeline C and the surplus vapour recovery unit.

The air inlet ends of the steam using unit A, the steam using unit B and the steam using unit C and the pressure increasing end of the pressure increasing tank are connected with electromagnetic valves, the temperature sensor and the pressure sensor are mounted on the steam using unit A, the steam using unit B, the steam using unit C and the pressure increasing tank, and the air inlet end of the pressure increasing tank is connected with a check valve.

The controller controls the operation of the electromagnetic valve according to the information of the temperature sensor and the pressure sensor by combining a program input in advance and an instruction input manually.

The utility model has the advantages that: the use of pipeline steam in dyeing and finishing enterprise, the steam ration that carries out differentiation according to with the ability demand of can unit differentiation is a big article of saving steam energy, the utility model discloses directly be carried to the energy consumption unit that requires the highest temperature and pressure by the steam source pipeline, carry to give secondary energy consumption unit by the exhaust steam of the energy consumption unit that requires the highest again, carry the water heating unit with the residual steam of the energy consumption unit that requires the minimum at last, all comdenstion waters, entire system's steam closed cycle, the water that the water heating unit was heated is by reusing the energy consumption unit, can be said to steam utilization accomplish the border that "the drippage is not leaked".

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic cross-sectional structure diagram of the present invention.

In the figure, A, steam utilization units A and B, steam utilization units B and C, steam utilization units C and D, a residual steam recovery unit 1, a pressurization tank 2, an air inlet end 3, a steam exhaust end 4, a steam source pipeline 5, recovery pipelines A and 6, recovery pipelines B and 7, recovery pipelines C and 8, a pressurization pipeline 9, a condensed water pipeline 10, a pressurization end 11, an air supply end 12, electromagnetic valves 13 and check valves.

Detailed Description

In the embodiment of fig. 1, a system for using pipeline steam in stages comprises a steam using unit, a pipeline, a pressurizing tank 1 and a controller, wherein the steam using unit is arranged in a descending manner from high temperature and high pressure to low temperature and low pressure, namely a steam using unit A, a steam using unit B, a steam using unit C and a residual steam recovering unit (D), the steam using unit comprises a steam inlet end 2 and a steam outlet end 3, and the pipeline comprises a steam source pipeline 4, a recovering pipeline A (5), a recovering pipeline B (6), a recovering pipeline C (7), a pressurizing pipeline 8 and a condensed water pipeline 9; air source pipeline 4 connects with the inlet end 2 of vapour unit A, the connection of recovery pipeline A (5) is between the exhaust end 3 of vapour unit A and the inlet end 2 of vapour unit B, the connection of recovery pipeline B (6) is at the exhaust end 3 of vapour unit B and the inlet end 2 of booster jar 1, air source pipeline 4 is connected to booster jar 1's pressure boost end 10, the connection of booster pipeline 8 is between booster jar 1's air feed end 10 and with vapour unit C's inlet end 2, recovery pipeline C (7) is connected at the exhaust end 3 of vapour unit C and the inlet end 2 of surplus vapour recovery unit (D), condensate pipe 9 connects between recovery pipeline A (5), recovery pipeline B (6), recovery pipeline C (7) and surplus vapour recovery unit (D).

The air inlet end 2 of the steam using unit A, the steam using unit B, the steam using unit C and the pressurizing end 10 of the pressurizing tank 1 are all connected with an electromagnetic valve 12, the steam using unit A, the steam using unit B, the steam using unit C and the pressurizing tank 1 are all provided with a temperature sensor and a pressure sensor, and the air inlet end 2 of the pressurizing tank 1 is connected with a check valve 13.

The controller controls the operation of the solenoid valve 13 according to the information of the temperature sensor and the pressure sensor, in combination with a program input in advance and an instruction input manually.

Example 1: when an instruction is manually input to open the electromagnetic valve 12 of the steam unit A, high-temperature and high-pressure steam enters the steam using unit A from the air source pipeline 4 through the electromagnetic valve 12 to be heated, a steam source is continuously input from the air source pipeline 4, the heated steam is output from the steam exhaust end 3, and the steam enters the steam using unit B which has the requirements on temperature and pressure and is inferior to the requirements on temperature and pressure for the steam using unit A through the recovery pipeline A (5), the electromagnetic valve 12 of the steam using unit B and the air inlet end 2 to be heated.

Example 2: the steam discharged after the heating operation of the steam cell B is completed does not necessarily satisfy the temperature and pressure requirements of the steam cell C, and therefore the booster tank 1 is provided here. Steam discharged after the heating operation of the steam using unit B is finished enters the pressure increasing tank 1 through the recovery pipeline B (6) and the check valve 13, the recovered steam is heated and pressurized according to the requirement of downstream steam using parameters or the steam introduced into the air source pipeline 4, or the steam is directly sent to the steam using unit C through the pressure increasing tank 1 through the pressure increasing pipeline 8, and the steam using unit C is controlled by the controller according to the temperature of the pressure increasing tank 1 and the information of the pressure sensor.

Embodiment 3, with vapour unit C belongs to the first grade with the lowest requirement to temperature and pressure and uses vapour unit, the surplus vapour of steam after the operation of heating that steam that the inlet end 2 got into through using vapour unit C by the pressure boost pipeline, recovery pipeline C (7) get into surplus vapour recovery unit (D) and carry out the final recycle that the surplus vapour heated water.

In embodiment 4, condensed water is generated during the circulation process of a heating operation by steam, and the water condensed by the steam is also a resource, so the condensed water pipeline 9 is connected to each recovery pipeline to recover the condensed water and collect the condensed water to the residual steam recovery unit (D) to be recycled by warm water.

Claims

1. The utility model provides a hierarchical use system of pipeline steam, comprises with vapour unit, pipeline, pressure boost jar and controller, characterized by: the steam using units are arranged in a descending manner from high temperature and high pressure to low temperature and low pressure to form a steam using unit A, a steam using unit B, a steam using unit C and a residual steam recovering unit, the steam using units comprise steam inlet ends and steam outlet ends, and the pipelines comprise a steam source pipeline, a recovering pipeline A, a recovering pipeline B, a recovering pipeline C, a pressurizing pipeline and a condensed water pipeline; air supply pipe connection is with the inlet end of vapour unit A, recovery pipeline A connects between the steam extraction end of vapour unit A and the inlet end of vapour unit B, recovery pipeline B connects the steam extraction end of vapour unit B and the inlet end of pressure boost jar, the pressure boost end of pressure boost jar connects the air supply pipeline, the pressure boost pipe connection is between the air feed end of pressure boost jar and the inlet end of vapour unit C, recovery pipeline C connects the steam extraction end of vapour unit C and the inlet end of surplus vapour recovery unit, the condensation water piping connection is at recovery pipeline A, recovery pipeline B, between recovery pipeline C and the surplus vapour recovery unit.

2. The staged pipeline steam usage system as recited in claim 1, further comprising: the air inlet end of the steam using unit A, the air inlet end of the steam using unit B, the air inlet end of the steam using unit C and the pressurizing end of the pressurizing tank are connected with electromagnetic valves, the temperature sensor and the pressure sensor are mounted on the steam using unit A, the steam using unit B, the steam using unit C and the pressurizing tank, and the air inlet end of the pressurizing tank is further connected with a check valve.

3. The staged pipeline steam usage system as recited in claim 1, further comprising: the controller controls the operation of the electromagnetic valve according to the information of the temperature sensor and the pressure sensor by combining a program input in advance and an instruction input manually.