CN2574031Y

CN2574031Y - Effective calorie meter for water heating circulating pipeline

Info

Publication number: CN2574031Y
Application number: CN 02218201
Authority: CN
Inventors: 张念东
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-01-04
Filing date: 2002-01-04
Publication date: 2003-09-17
Anticipated expiration: 2012-01-04

Abstract

The utility model relates to an effective calorie meter for water heating circulating pipelines, which belongs to the technical field of heating power measurement. When operated automatically, the utility model depends on the expansion force of the volume change which is inherent in a refined paraffin wax in the process of phase change, wherein the expansion force used as the dynamic force, two flow passage valves formed in parallel in the effective calorie meter for water heating circulating pipelines generate same directional movement inside under the action of two same designed expansion forces, and the opening of two valves are changed correspondingly and oppositely. The utility model solves and replaces the existing heating power metering device which is electrically controlled by the external dynamic force, adopts a normal heat resisting meter to measure the effective hot water flow quantity, and achieves the goal of measuring available heating value.

Description

Hot-water heating circulation line available heating value gauging table

The utility model: hot-water heating circulation line available heating value gauging table, what relate to is hot-water heating circulation line available heating value automatic gauge, need not outer power, with common heat-resisting water meter measurement mode, transfer the water carrier available heating value metering of complexity the metering of to available heat discharge, volume is little, accuracy is high, novel available heating value gauging table cheap for manufacturing cost.

At present, northern China cold zone central heating webmaster high speed development, and the effective ripe value measurement technology of the use that involves the national economy interests can not be caught up with development, the existing caloricity gaging apparatus cost costliness of imitating, measure unreasonable, lack reasonable restriction mutually and be difficult for the heat metering device standard, cause the unnecessary contradiction of both sides of supply and demand, the national economy interests suffer very big loss for this reason.

The purpose of this utility model is at present available heating value measurement technology and device weak point; Under the national conditions of China, with reliably, both sides of supply and demand all have reasonable restriction, the innovative techniques of the hot-water heating circulation line available heating value gauging table that transparency is very high makes both sides of supply and demand make installation cost and declines to a great extent, be willing to accept equality and mutual benefit.

Hot-water heating circulation line available heating value gauging table, take following scheme to realize: primary structure has and into connects cap, the pipe of setting out on a journey, the valve shell, back-moving spring, space washer, the valve bucket, the volution lid, heat-resisting water meter, way of escape pipe, go into to connect cap, the short cut pipe, push rod, little spring, block, seal, gland bonnet, refined paraffin wax, the thermometer bulb shell, sealing ring, following road pipe, rubber base, the lower valve tube shell, spring base, following valve bucket, rubber blanket etc., assembly relation is: advance to connect the cap sealing and be connected to set out on a journey pipe and following road pipe, be tightly connected valve shell and lower valve tube shell of head thread in addition up and down, the difference thread seal screws in spring base and sealing ring in valve shell and the lower valve tube shell, the sealing ring center hole also is equipped with rubber base, all be placed with back-moving spring on spring base and the sealing anchor ring, two back-moving spring another sides have space washer respectively, elasticity is pushed down, be inserted in the thermometer bulb shell in two space washers respectively same volume all is housed, the refined paraffin wax of character unanimity, cover with seal, having screw thread to be connected with the gland bonnet internal thread that inserts push rod on thermometer bulb shell cylindrical puts in place, (being fitted with rubber blanket on the gland bonnet disk of the pipe runner of setting out on a journey) is inserted in push rod, push down the push rod step little spring is arranged, there is externally threaded gland bonnet to put in place female block screw-in, screw in female valve shell respectively and the lower valve tube shell puts in place with the external thread of valve bucket and following valve bucket is corresponding, valve shell and lower valve tube shell other end screw in the volution lid respectively again and contact push rod and put in place, heat-resisting water meter import and valve bucket internal thread are tightly connected, exit seal connects way of escape Guan Yitou, short cut Guan Yitou is with the external thread valve bucket internal thread that is tightly connected down, two sealing that the other end of way of escape pipe and short cut pipe is had into connecing cap is again inserted, and promptly has been assembled into the integral body of hot-water heating circulation line available heating value gauging table.

The utility model: hot-water heating circulation line available heating value gauging table is to belong to the heating power field of measuring techniques, when working automatically, what rely on is that refined paraffin wax is intrinsic, the bulging force of volume change is a power in phase transition process, make and be in parallel formed two runner valves in the hot-water heating circulation line available heating value gauging table under two bulging force effects of design unanimity, in motion is arranged in the same way, two valve opening respective opposite are changed, solve, replaced existing must be by the automatically controlled heating power measuring apparatus of external power, adopt common heat-resisting water meter just can measure the mode of available heat discharge, reach the purpose of measuring available heating value.

The utility model is described in further detail below with reference to accompanying drawing.

Fig. 1 is a hot-water heating circulation line available heating value gauging table one-piece construction assembling synoptic diagram.

Fig. 2 is a hot-water heating circulation line available heating value gauging table primary structure enlarged diagram.

With reference to accompanying drawing 1, the situation of signal is to work as to be with the A mouth direction of arrow of pressing hot water to advance to connect cap 1 to manage 2 through setting out on a journey, manage 20 with following road, through valve shell 3 and lower valve tube shell 22, cross the C mouth of spring base 23 and the D mouth of sealing ring 19, sealing ring 19 also is equipped with rubber base 21, when band was pressed hot water by two back-moving springs 4, two space washers 5, two thermometer bulb shells 18 are temperature-sensitive simultaneously all; Refined paraffin wax 17 undergoes phase transition process in C, D mouth hot water flow temperature is consistent, we and can fractionate out the refined paraffin wax 17 of the phase transition process temperature unanimity that the First Astronautic Research Institute for Measurement and Test needs easily, the refined paraffin wax 17 of same volume, character unanimity all is housed, seal with seal 15, thermometer bulb shell 18 will be caused when refined paraffin wax 17 undergoes phase transition the temperature input of process by temperature like this, two seals 15 are compressed in refined paraffin wax 17 volumetric expansions makes that two push rods 12 are stressed to be stretched out from two blocks 14, compress 2 little springs 13 and cover 7 to sinciput two volutions.Under reacting force, the sealing surface of rubber blanket 25 combinations on valve bucket 6 and the gland bonnet 16 separates, promptly open the flow of C mouth along the direction of arrow, applying is blocked the mesopore that rubber base 21 is housed in the sealing ring 19 in thermometer bulb shell 18 its bottom surface when moving to left of D mouth simultaneously, promptly close the flow of D mouth, make like this to feed heat-resisting water meter 8 inlet flow rates and be available heat discharge and measured the back by heat-resisting water meter and feed way of escape pipe 9 and go out from the B mouth through going into to connect cap 10 along the direction of arrow.The flow that feeds short cut pipes 11 from following valve bucket 24 is stopped.When the discharge temperature was lower than refined paraffin wax 17 phase transition process temperature, its movement parts was opposite with above-mentioned direction of motion under the effect of little spring 13 and back-moving spring 4, the original condition that will reset, i.e. situation shown in accompanying drawing 1, the accompanying drawing 2.As seen, when its movement parts of hot-water heating circulation line available heating value gauging table relies on the expanded by heating power to-and-fro movement of refined paraffin wax 17, but C, D mouth two runner aperture respective opposite change, solve, replaced existing must be by the automatically controlled heating power measuring apparatus of external power, adopt common heat-resisting water meter 8 just can measure the mode of available heat discharge, reach the purpose of measuring available heating value., said structure do not influence again that to heat up essential in the loop start process be the circulation total flow that the B mouth goes out by short cut pipe 11 with going into to connect cap 10 so thereby just can accurately measuring the available heating value amount of hot-water heating circulation line with the hot water flow that 8 meterings of heat-resisting water meter are passed through by way of escape pipe 9.

Claims

1. hot-water heating circulation line available heating value gauging table, primary structure has and into connects cap, the pipe of setting out on a journey, the valve shell, back-moving spring, space washer, the valve bucket, the volution lid, heat-resisting water meter, way of escape pipe, go into to connect cap, the short cut pipe, push rod, little spring, block, seal, gland bonnet, refined paraffin wax, the thermometer bulb shell, sealing ring, following road pipe, rubber base, the lower valve tube shell, spring base, following valve bucket, rubber blanket etc., assembly relation is, advance to connect the cap sealing and be connected to set out on a journey pipe and following road pipe, be tightly connected valve shell and lower valve tube shell of head thread in addition up and down, the difference thread seal screws in spring base and sealing ring in valve shell and the lower valve tube shell, the sealing ring center hole also is equipped with rubber base, all be placed with back-moving spring on spring base and the sealing anchor ring, two back-moving spring another sides have space washer respectively, elasticity is pushed down, be inserted in the thermometer bulb shell in two space washers respectively same volume all is housed, the refined paraffin wax of character unanimity, cover with seal, having screw thread to be connected with the gland bonnet internal thread that inserts push rod on thermometer bulb shell cylindrical puts in place, (being fitted with rubber blanket on the gland bonnet disk of the pipe runner of setting out on a journey) is inserted in push rod, push down the push rod step little spring is arranged, there is externally threaded gland bonnet to put in place female block screw-in, screw in female valve shell respectively and the lower valve tube shell puts in place with the external thread of valve bucket and following valve bucket is corresponding, valve shell and lower valve tube shell other end screw in the volution lid respectively again and contact push rod and put in place, heat-resisting water meter import and valve bucket internal thread are tightly connected, exit seal connects way of escape Guan Yitou, short cut Guan Yitou is with the external thread valve bucket internal thread that is tightly connected down, the other end of way of escape pipe and short cut pipe is had again promptly forms hot-water heating circulation line available heating value gauging table after two sealing that connects cap is inserted, it is characterized in that just measuring the mode of available heat discharge by heat-resisting water meter, reach the purpose of metering available heating value, do not start essential circulation total flow in the temperature-rise period and do not influence.

2. hot-water heating circulation line available heating value gauging table according to claim 1, it is characterized in that by advancing to connect cap and going into to connect two runners that cap composes in parallel be normally closed type and open in usual, rely on refined paraffin wax intrinsic during work, movement parts in bulging force in the phase transition process that is heated drives, the aperture respective opposite of two runners is changed, automatic selection on-off function is arranged, the automatic control metering promptly need not to introduce outer power, robotization is convenient and reliable, and the part time job life-span is long.