GB2141216A - Gas steam cleaner - Google Patents

Gas steam cleaner Download PDF

Info

Publication number
GB2141216A
GB2141216A GB08315794A GB8315794A GB2141216A GB 2141216 A GB2141216 A GB 2141216A GB 08315794 A GB08315794 A GB 08315794A GB 8315794 A GB8315794 A GB 8315794A GB 2141216 A GB2141216 A GB 2141216A
Authority
GB
United Kingdom
Prior art keywords
gas
water
fuel
heat
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB08315794A
Other versions
GB8315794D0 (en
Inventor
Adrian Thomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARROW EQUIPMENT Ltd
Original Assignee
ARROW EQUIPMENT Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ARROW EQUIPMENT Ltd filed Critical ARROW EQUIPMENT Ltd
Priority to GB08315794A priority Critical patent/GB2141216A/en
Publication of GB8315794D0 publication Critical patent/GB8315794D0/en
Publication of GB2141216A publication Critical patent/GB2141216A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/22—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes of form other than straight or substantially straight
    • F22B21/26—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes of form other than straight or substantially straight bent helically, i.e. coiled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0205—Bypass pressure relief valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2230/00—Other cleaning aspects applicable to all B08B range
    • B08B2230/01—Cleaning with steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Steam cleaning apparatus comprising a heat exchanger for producing steam from water wherein heat is supplied to the heat exchanger by the combustion of a fuel gas. The apparatus preferably utilises natural gas or liquid petroleum gas as a fuel source. The new apparatus is more economical and convenient in use than conventional steam cleaning apparatus.

Description

SPECIFICATION Gas steam cleaner Water flow: The mains water enters the water tank with the flow controlled by a ball valve. From there it is pumped by an INTERPUMP (W99) pump, on a direct coupling driven by a 3HP 240V 13 amp motor via a water filter in water tank.
It is pushed out of the pump through the heat excharger at a flow rate of 13 litres a minute until it comes out to continue its path to the nozzle tip via a lance hose, on/off trigger gun and lance.
When the gun is in the closed position, the unloadervalve,which is positioned on the outlet side of the water pump, operates in the bypass instead of open position and bypasses the water on the hose connecting the inlet and outlet side of the pump.
At the same time, there is also a pressure switch connected to the unloader valve that interrupts the live supply to the fuel soleroid valve on the burner, which closes the flow of fuel.
Chemical supply: There is also a chemical supply facility on the inlet side of the water pump controlled by a metering valve.
Fuel supply: The burner unit is an NG3 manufactured by a NU-WAY of Droitwich, England.
This is a gas and air unit supplied at a rate of 2.6 therms of gas per running hour.
Because of the turbulance caused by the gas and air in the heat excharger, there is under normal circumstances a very high noise like a jet aeroplane in flight.
To stop this, the outlet ride of the heat excharger normally 230mm by 40mm has been reduced by two thirds as per drawing.
This not only makes the unit more efficient on the noise level, but also complies with all the combustion readings required by the Gas Board.
Enclosed is a drawing of the heat excharger including capping piece for the outlet and a drawing of the gas burner.
To our knowledge, nobody has made a steam cleaner run on gas, the normal fuel being diesel, paraffin or 35 second gas oil.
This Burner Head can, however, be modified to also run on liquid petroleum gas, again at the rate of 2.6 therms per running hour. There will also be a turbulance caused in the heat excharger which can be reduced as per the the natural gas.
1. Steam cleaning apparatus comprising a heat exchanger for producing steam from water wherein heat is supplied to said heat exchanger by the combustion of fuel gas.
2. Steam cleaning apparatus according to claim 1 wherein said fuel gas comprises natural gas or liquid petroleum gas.
3. Steam cleaning apparatus substantialiy as herein described with reference to the accompanying drawings.
4. Each and every novel process, product, method and apparatus as herein described.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (4)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Gas steam cleaner Water flow: The mains water enters the water tank with the flow controlled by a ball valve. From there it is pumped by an INTERPUMP (W99) pump, on a direct coupling driven by a 3HP 240V 13 amp motor via a water filter in water tank. It is pushed out of the pump through the heat excharger at a flow rate of 13 litres a minute until it comes out to continue its path to the nozzle tip via a lance hose, on/off trigger gun and lance. When the gun is in the closed position, the unloadervalve,which is positioned on the outlet side of the water pump, operates in the bypass instead of open position and bypasses the water on the hose connecting the inlet and outlet side of the pump. At the same time, there is also a pressure switch connected to the unloader valve that interrupts the live supply to the fuel soleroid valve on the burner, which closes the flow of fuel. Chemical supply: There is also a chemical supply facility on the inlet side of the water pump controlled by a metering valve. Fuel supply: The burner unit is an NG3 manufactured by a NU-WAY of Droitwich, England. This is a gas and air unit supplied at a rate of 2.6 therms of gas per running hour. Because of the turbulance caused by the gas and air in the heat excharger, there is under normal circumstances a very high noise like a jet aeroplane in flight. To stop this, the outlet ride of the heat excharger normally 230mm by 40mm has been reduced by two thirds as per drawing. This not only makes the unit more efficient on the noise level, but also complies with all the combustion readings required by the Gas Board. Enclosed is a drawing of the heat excharger including capping piece for the outlet and a drawing of the gas burner. To our knowledge, nobody has made a steam cleaner run on gas, the normal fuel being diesel, paraffin or 35 second gas oil. This Burner Head can, however, be modified to also run on liquid petroleum gas, again at the rate of 2.6 therms per running hour. There will also be a turbulance caused in the heat excharger which can be reduced as per the the natural gas. CLAIMS
1. Steam cleaning apparatus comprising a heat exchanger for producing steam from water wherein heat is supplied to said heat exchanger by the combustion of fuel gas.
2. Steam cleaning apparatus according to claim 1 wherein said fuel gas comprises natural gas or liquid petroleum gas.
3. Steam cleaning apparatus substantialiy as herein described with reference to the accompanying drawings.
4. Each and every novel process, product, method and apparatus as herein described.
GB08315794A 1983-06-09 1983-06-09 Gas steam cleaner Withdrawn GB2141216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08315794A GB2141216A (en) 1983-06-09 1983-06-09 Gas steam cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08315794A GB2141216A (en) 1983-06-09 1983-06-09 Gas steam cleaner

Publications (2)

Publication Number Publication Date
GB8315794D0 GB8315794D0 (en) 1983-07-13
GB2141216A true GB2141216A (en) 1984-12-12

Family

ID=10544023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08315794A Withdrawn GB2141216A (en) 1983-06-09 1983-06-09 Gas steam cleaner

Country Status (1)

Country Link
GB (1) GB2141216A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB996281A (en) * 1961-06-26 1965-06-23 James Alexander Browning Method and apparatus for impacting a stream at high velocity against a surface to be treated
GB1376805A (en) * 1972-02-14 1974-12-11 Diamond Power Speciality Apparatus for detecting gas temperature or heat flow with a soot blower
GB1425473A (en) * 1972-01-27 1976-02-18 Applegate G Sectional heat exchangers
GB1448434A (en) * 1975-04-25 1976-09-08 Steam Vacuum Extraction Ltd Steam and vacuum cleaning apparatus
GB2087523A (en) * 1980-11-14 1982-05-26 Foster Wheeler Power Prod Modular package boiler

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB996281A (en) * 1961-06-26 1965-06-23 James Alexander Browning Method and apparatus for impacting a stream at high velocity against a surface to be treated
GB1425473A (en) * 1972-01-27 1976-02-18 Applegate G Sectional heat exchangers
GB1376805A (en) * 1972-02-14 1974-12-11 Diamond Power Speciality Apparatus for detecting gas temperature or heat flow with a soot blower
GB1448434A (en) * 1975-04-25 1976-09-08 Steam Vacuum Extraction Ltd Steam and vacuum cleaning apparatus
GB2087523A (en) * 1980-11-14 1982-05-26 Foster Wheeler Power Prod Modular package boiler

Also Published As

Publication number Publication date
GB8315794D0 (en) 1983-07-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)