SU1399613A2 - Refrigerating plant with thermocompressor - Google Patents

Abstract

The invention relates to installations for simultaneously obtaining cold and heating water used for various purposes. The purpose of the invention is to stabilize t-ry by taking away warm water and reducing the labor intensity of the service. The first section 3 of heat exchanger 2 is a precondenser, and the second section 4, installed in series with the first, is a refrigerant condenser (XA). The heat-insulated container 5, in the upper part of which section 3 is placed, and in the middle part - section 4, is filled with water and is a heat recovery condensation and forcondensation. Successively with sections 3 and 4, air-cooled condenser 6 with fans 7 and 8, receiver 9, subcooler 10 placed in the bottom of tank 5, throttle body 11 and evaporator 12 are installed. Section 4 consists of three regularly arranged blocks . The output XA from section 3 is connected to the blocks 27 and 29 of the lower and upper Rus of section 4. The outputs XA from the blocks of these Rus are connected to the entrance to the block 28 of the sret Rus. The output from block 28 is connected to condenser 6. Most of the superheated vapors from section 3 enter into heat exchange with water in block 29 according to the type of motor, which reduces the efficiency of heat transfer and prevents excessive heating of the water withdrawn through nozzle 14. Block 28 bounces stabilizer t-ry water, because it transfers most of the heat during t-re condensation, 2 sludge,% K.UJU O5 CD

Description

.

The invention relates to refrigeration engineering, in particular, to installations for simultaneously obtaining cold and heating water used for various purposes, for example, in dairy farms and complexes, and is an improvement of the basic invention of No. 2 / .994.

The purpose of the invention is VL; The stabilization of TB. The temperature of the selected warm water to reduce the labor intensity of the treatment.

Fig ,, 1 shows a schematic of the installation; Fig 2 - Cons; heat exchanger pipe „

A heat pump refrigeration unit contains a compressor: sor i, a two-section heat exchanger 2 of the first section 3 of which is a forco-condenser and the second is a settlement; j is installed in series with g: The first section 3, the condenser Ohm of the refrigerant, both sections are placed B the insulated tank 5; 4sats | - and filled with water, and 3, opened in the upper part of the tank, and sets 4 - from;: |; parts of it are installed. In series with sections 3 and 4, a condenser 6 is installed after cooling with fans 7 and 8., a receiver 9 5 subcooler 10., low in the lower part of the capacitor: t:; 1 5, throttle body 11 and isp) itel 12,

Capacity 5 is equipped with s.iudugogimi nozzles: 13 - supplying the hot-water vapor to the refrigerant1 and to the section / J (forcondition;) sator) I 14 - discharging the hls1. Unit from section 4 (condenser); 15 and 16 - supply and removal of refrigerant to cooler 10 cooTBeTCTBCfiHo; 7 - supply of cold water, raz1-1e; the one at the bottom of the tank; -;: 18 - oT6orja of hot water .. by dimensioning i i i the top of the tank; 19 - OT:.,) About warm water from the tank.

Between sections 3 and 4 there is a heel-exchange; - - ka 2 installations are set to 20 with openings 21, partition S1,;: g capacity 5 into two cavities - 22 and 2; -,

Section: 4, connected by supports 24 with a bottom of € 5 capacity; placed in a box-shaped casing 25, to the upper part of the t-section of part 26 of which: O with / it is supplied the branch pipe 19 of the selection of the warm in, t; s; The second; Section 4 of the heat transfer: - nikg, / consists of three blocks of the upper 27 middle 28 28 located below the bottom 29

Exit refrigerant from the first section

3 is connected, from the upper and upper 27 and lower 29 Russian 13 segd t 4, and the outputs x.17 of the agent from these blocks are connected to the entrance to the middle 28 block, the output of which is connected to the condenser b of air cooling

Refrigeration unit with thermal gas pump works as follows.

When running; compressor 1, aspirated watts 5, ladag.nta from evaporator 12 and injected into heat exchanger 2, in the first section 3 of which xojiHT descended first; pp; ba and in the second section

4- partial condensation of them due to a heat-and-heat exchange with an ode in the tank 5 of the heat exchanger, the vapor-oil mixture; A high distance from the nozzle 14 of the container 5 does not appear in the condenser 9 and subcooler

bending telloobm evo. with the coldest water coming from the pipe 17. From the subcooler 10, the refrigerant enters the throttle body 11, from where: the form of a parohshdkostnoy mixture low:

In the evaporator 2. due to heat exchange with cooled; with a medium (coolant) or a coolant cooler; well, given a product (for example, milk), the refrigerant boils, vapor; it is sucked off by compressor 1, then, le: its cycle repeats,

In the tank 5, under the action of the heat supplied by the refrigerant, due to the circulation of the liquid and water, there is a Telteural solution; 1, the layering of the zodia is due to natural convection, namely: hot water is collected in the upper part: 1 or 70-75 C by the end cycle (at a condensation temperature of 45 C), in the gfgdny part - heat

The town of 20 is ca. 40 ° C, and in the lower part the water is colder.

Hot water through the pipe 18 is taken out after the heating circuit and the washing cycle of the equipment. Warm water (for various sano-operations; ..; mainly M for sanitation udders; sf) the consumer needs a duck at the very beginning of the installation cycle, and this is achieved due to the fact that during heat exchange with section 4 li the first period has started; ; Olek.ets limited - 1L-tchenny volume of water in the casing 255th this water through the nozzle

313

19 after a short time can be submitted to the consumer.

In order to accelerate the production of warm water, the pipeline connecting sections 3 and 4 in the constricted part of the funnel-shaped casing 25 is placed in a warm water outlet; from the cavity of the coyana through the pipe 19,

As the water in the upper cavity 22 heats up, in the absence of o7 boron, its ability to seggy 3 heat exchanger 2 to release heat to the water decreases, and section 4 begins to receive superheated steam, part of which enters the upper shaft unit 27, and some - and block 29 enters more, because of the vapors, because the tag-sherature of water is approximately the same as unit 29, below o Both flows, connected, arrive at block 28 of the middle floor 5 where they condense at a constant rate of condensation. Most of the superheated vapors from the Sj section, which are a source of highly potential heat, enter into heat exchange with water in the lower rus block 29 by the type of flow, which reduces the efficiency of heat transfer and causes excessive heating of the water withdrawn through the 14 "branch pipe

The middle tier block 28 acts as a stabilizer of the temperature of the water leaving the cavity 23, since it transfers most of the heat at the condensation temperature; however, the temperature of the refrigerant vapor entering section 4 of heat exchanger 2- does not significantly affect

The condensed refrigerant is cooled in subcooler 10 due to heat exchange with the coldest

water flowing through the pipe 17 supercooled, DENIE provides maximum cooling capacity and installation efficiency.

When the water in the tank 5 is sufficiently heated in full, its capabilities as a coolant condenser are sharply reduced, which leads to an increase in temperature and condensation pressure. In this (possibly by a signal from a condensation pressure sensor), condensation takes place predominantly in an air-cooled condenser 6, to which the refrigerant comes in the form of steam or a vapor-liquid mixture. The redistribution of heat loading by the condenser 6 and the heat exchanger 2 is carried out due to the more or less intensive work of the condenser 6 by means of step-by-step switching on of the fans 7 and 8,

Formula inventions

Refrigeration unit with a heat pump according to azto No. 1222994, characterized in that, in order to stabilize the temperature of the extracted warm water and reduce the maintenance labor intensity, the second section of the heat exchanger consists of three well-arranged blocks, and the refrigerant output from the first the heat exchanger section is connected to the blocks of the upper and the lower ranks of the second section of the heat exchanger, and the coolant outlets from the blocks of these runes are connected to the entrance to the middle runner block, the output of which is connected to the air condenser and.

 1 if / ij.

Sh

f L.

 1, (l Jl

 -, 1ITiTr

I j o .j

 R

et

- -r. -, - .-- ci-SV i:

42

vi- i

  -s

- ",

-f-;

r i

K; i

  u-jf

/ Ashoagent In Joadsczych

islf ifBHCfffTlfff

JiQ / JOyHOM

Seoa Gnshyne

Claims (1)

Claim Refrigeration unit with heat pump according to ed. St. No. 1222994, characterized in that, in order to stabilize the temperature of the taken warm water and reduce the complexity of maintenance, the second section of the heat exchanger consists of three tiered blocks, the refrigerant outlet from the first section of the heat exchanger connected to the lower and upper tiers of the second section of the heat exchanger, and the outputs the refrigerant from the blocks of these tiers are connected to the entrance to the middle tier block, the outlet of which is connected to an air-cooled condenser. Hot. water KhloZekesh from the compressor Warm Refrigerant in pshvleashor air I am the best. . ί s; ;? ^ς hg \ YasLL: ';