Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Heating method of boiler for exploitation of offshore shale gas

A technology of shale gas mining and heating method, which is applied in the direction of combustion method, lighting and heating equipment, combustion product treatment, etc., can solve the problems of insufficient exhaust gas extraction capacity, etc., to avoid clogging, improve friction, and improve stability Effect

Inactive Publication Date: 2019-10-22
CHENGDU DAMO PETROLEUM MACHINERY GRP
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a heating method for boilers used in the development of seawater shale gas to solve the problem of insufficient exhaust gas extraction capacity caused by the existing exhaust system

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Heating method of boiler for exploitation of offshore shale gas
  • Heating method of boiler for exploitation of offshore shale gas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] like figure 1 , figure 2 As shown, the seawater shale gas development adopts the heating method of the boiler, which includes the following steps:

[0042] 1) Add coal to the boiler, the exhaust gas from coal combustion is exported from the exhaust pipe 5 at the top, and then discharged through the exhaust pipe 1. The amount of coal added is 2 / 3 of the boiler volume. The flow control is 350-450m 3 / h;

[0043] 2) A coal addition port is provided on the boiler, and coal is added to the boiler in time;

[0044] 3), regularly clean the exhaust pipe: remove the dirt on the inner wall of the exhaust pipe 1 through the impurity removal device, the lower part of the exhaust pipe 1 is connected with the exhaust pipe 5 of the boiler, and the upper part of the exhaust pipe 1 is provided with Fan, the upper part of the exhaust pipe 1 is connected with the air outlet pipe through the flange plate 9;

[0045] The impurity removal device includes an exhaust pipe 1, and the lowe...

Embodiment 2

[0047] like figure 1 , figure 2 As shown, this embodiment is based on Embodiment 1, the inner end of the sliding plate 61 is provided with a semi-circular arc groove, the inner wall of the semi-circular arc groove is a threaded surface, and also includes an auxiliary row threaded with the semi-circular arc groove. Duct 4.

Embodiment 3

[0049] like figure 1 , figure 2 As shown, this embodiment is based on Embodiment 1 or Embodiment 2, the inner diameter of the annular scraper 22 gradually increases from one end connected to the annular card 2 to the other end, and the radius of the annular scraper 22 is the largest The end is in close contact with the inner wall of the exhaust pipe 1; the inner side of the exhaust pipe 5 is provided with an auxiliary exhaust pipe 3, and an annular filter screen 8 is arranged between the auxiliary exhaust pipe 3 and the exhaust pipe 5. The filter screen 8 is arranged directly below the annular scraper 22; the inner and outer ends of the annular filter screen 8 are provided with annular elastic sheets, and the annular filter screen 8 is clamped on the auxiliary by the elastic action of the annular elastic sheet. Between the exhaust pipe 3 and the exhaust pipe 5; the outer wall of the operating rod 21 is set as a threaded surface.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a heating method of a boiler for exploitation of offshore shale gas. The heating method comprises the following steps: 1) coal is added to the boiler, exhaust gas produced during combustion of coal flows out through gas exhaust pipes at the top and is exhausted through air exhaust pipes, the volume of the added coal accounts for 2 / 3 that of the boiler, and the flow rate ofa fan in each air exhaust pipe is 350-450 m<3> / h; 2) coal is added to the boiler in time; 3) an interlayer is arranged in a petroleum refining tank, the temperature of the inside of the petroleum refining tank can be controlled by adding water at different temperatures to the interlayer, and the inside of the petroleum refining tank is controlled to be within a certain temperature; 4) the air exhaust pipes are cleared regularly; dirt on inner walls of the air exhaust pipes is cleared through an impurity removing device, the lower part of each air exhaust pipe is connected with the corresponding gas exhaust pipe of the boiler, a fan is arranged at the upper part of each air exhaust pipe, and the upper part of each air exhaust pipe is connected with an air discharging pipe through a flange.With the adoption of the heating method, the problem that exhaust gas in existing air exhaust systems cannot be discharged sufficiently is solved.

Description

technical field [0001] The invention relates to the technical field of shale gas exploitation, in particular to a heating method of a boiler for seawater shale gas exploitation. Background technique [0002] Shale gas is a natural gas resource that can be exploited in shale layers, and China's recoverable shale gas reserves are relatively large. The formation and enrichment of shale gas has its own unique characteristics, and it is often distributed in the thick and widely distributed shale source rock formations in the basin. Compared with conventional natural gas, shale gas development has the advantages of long production life and long production cycle. Most of the shale gas producing shale gas has a wide distribution range, large thickness, and generally contains gas, which enables shale gas wells to operate with stable long-term performance. rate of gas production. Therefore, the exploitation of shale gas is of great significance. [0003] Among them, the offshore sh...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F23K3/16F23J3/02
CPCF23K3/16F23J3/02
Inventor 谭逢林
Owner CHENGDU DAMO PETROLEUM MACHINERY GRP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com