Combined heat and power generation system under ultrahigh temperature and ultrahigh pressure parameters

A cogeneration and ultra-high pressure technology, applied in lighting and heating equipment, separation methods, dispersed particle separation, etc., can solve the problem of reducing the dust removal efficiency of the bag filter, affecting the flue gas circulation efficiency, and the dust cannot quickly fall into the ash storage. And other issues

Active Publication Date: 2021-09-14
杭州热电集团股份有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] Although the bag filter in the cogeneration system mentioned above can remove the dust in the flue gas, only when the dust on the bag has accumulated to a certain amount can it fall into the ash store from the

Method used

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  • Combined heat and power generation system under ultrahigh temperature and ultrahigh pressure parameters
  • Combined heat and power generation system under ultrahigh temperature and ultrahigh pressure parameters
  • Combined heat and power generation system under ultrahigh temperature and ultrahigh pressure parameters

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Embodiment Construction

[0037] The following is attached Figure 1-4 The application is described in further detail.

[0038] refer to figure 1 , a cogeneration system under ultra-high temperature and ultra-high pressure parameters, including ultra-high temperature and ultra-high pressure circulating fluidized bed boiler 1, cyclone separator 2, superheater 3, economizer 4, air preheater 5, blower 6, Bag filter 7, induced draft fan 8, desulfurization tower 9, chimney 10, slag storage 11, ash storage 12, high-pressure deaerator 13, steam-driven feed water pump 14, high-pressure heater 15, back pressure steam turbine 16, generator 17 , Drag steam turbine 18, temperature and pressure reducer 19 and preheater 20. It should be noted that the above-mentioned mechanical devices are all clearly and comprehensively described in the related art, so this application will not repeat them again.

[0039] refer to figure 2 with image 3 , the bag filter 7 includes a dust removal box 24 with an air inlet 21, an ...

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Abstract

The invention relates to the field of combined heat and power generation engineering, in particular to a combined heat and power generation system under ultra-high temperature and ultra-high pressure parameters. The combined heat and power generation system comprises a dust removal box body with an air inlet, an air outlet and an ash outlet, and a cloth bag arranged in the dust removal box body and used for retaining dust, and a horizontal support rod positioned on one side of the back surface of the cloth bag is arranged in the dust removal box body; the supporting rod is slidably sleeved with a vertical cleaning rod abutting against the bulged cloth bag; a reciprocating screw rod parallel to the supporting rod is arranged in the dust removal box body, penetrates through the cleaning rod and is in threaded fit with the cleaning rod; and a rotating mechanism for driving the reciprocating screw rod to rotate by utilizing wind power of flue gas is also arranged in the dust removal box body. According to the scheme, dust on the cloth bag can be automatically cleaned, so that the dust on the cloth bag can be quickly discharged from the dust outlet, the circulation efficiency of flue gas in the dust removal box body is effectively improved, and the dust removal efficiency of the bag-type dust remover on the flue gas is ensured.

Description

technical field [0001] This application relates to the field of heat and power cogeneration engineering, in particular to a heat and power cogeneration system under ultra-high temperature and ultra-high pressure parameters. Background technique [0002] Combined heat and power generation is an advanced energy utilization form based on the principle of energy cascade utilization, which first generates electricity from primary energy such as coal and natural gas, and then uses the waste heat for heating after power generation. [0003] For example, the patent with the publication number CN106610016A provides a cogeneration system under ultra-high temperature and ultra-high pressure parameters, which is characterized in that it includes an ultra-high temperature and ultra-high pressure circulating fluidized bed boiler (1), a cyclone separator (2) , superheater (3), economizer (4), air preheater (5), blower fan (6), bag filter (7), induced draft fan (8), desulfurization tower (9...

Claims

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Application Information

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IPC IPC(8): F23J15/02B01D46/02B01D46/04
CPCF23J15/025B01D46/023B01D46/04F23J2217/104
Inventor 李川涛王劼陆志敏
Owner 杭州热电集团股份有限公司
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